Apply new codding style

src/mibew/b.php

@@ -24,43 +24,48 @@ require_once(dirname(__FILE__).'/libs/init.php');
 require_once(MIBEW_FS_ROOT . '/libs/chat.php');
 require_once(MIBEW_FS_ROOT . '/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/groups.php');
+require_once(MIBEW_FS_ROOT . '/libs/track.php');
 
 $referer = isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : "";
 if ($referer && isset($_SESSION['threadid'])) {
     $thread = Thread::load($_SESSION['threadid']);
     if ($thread && $thread->state != Thread::STATE_CLOSED) {
-        $msg = getstring2_("chat.client.visited.page", array($referer), $thread->locale);
+        $msg = getstring2_(
+            "chat.client.visited.page",
+            array($referer),
+            $thread->locale
+        );
         $thread->postMessage(Thread::KIND_FOR_AGENT, $msg);
     }
 }
 
-$image = verifyparam(isset($_GET['image']) ? "image" : "i", "/^\w+$/", "mibew");
+$image = verify_param(isset($_GET['image']) ? "image" : "i", "/^\w+$/", "mibew");
-$lang = verifyparam(isset($_GET['language']) ? "language" : "lang", "/^[\w-]{2,5}$/", "");
+$lang = verify_param(isset($_GET['language']) ? "language" : "lang", "/^[\w-]{2,5}$/", "");
 if (!$lang || !locale_exists($lang)) {
     $lang = CURRENT_LOCALE;
 }
 
-$groupid = verifyparam( "group", "/^\d{1,8}$/", "");
+$group_id = verify_param("group", "/^\d{1,8}$/", "");
-if($groupid) {
+if ($group_id) {
     if (Settings::get('enablegroups') == '1') {
-		$group = group_by_id($groupid);
+        $group = group_by_id($group_id);
         if (!$group) {
-			$groupid = "";
+            $group_id = "";
         }
     } else {
-		$groupid = "";
+        $group_id = "";
     }
 }
 
-$image_postfix = has_online_operators($groupid) ? "on" : "off";
+$image_postfix = has_online_operators($group_id) ? "on" : "off";
-$filename = "locales/${lang}/button/${image}_${image_postfix}.gif";
+$file_name = "locales/${lang}/button/${image}_${image_postfix}.gif";
 
-$fp = fopen($filename, 'rb') or die("no image");
+$fp = fopen($file_name, 'rb') or die("no image");
 header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
 header("Cache-Control: no-store, no-cache, must-revalidate");
 header("Pragma: no-cache");
 header("Content-Type: image/gif");
-header("Content-Length: ".filesize($filename));
+header("Content-Length: " . filesize($file_name));
 if (function_exists('fpassthru')) {
     @fpassthru($fp);
 } else {
@@ -70,5 +75,3 @@ if(function_exists('fpassthru')){
     }
     fclose($fp);
 }
-exit;
-?>

src/mibew/button.php

@@ -16,5 +16,3 @@
  */
 
 require_once(dirname(__FILE__) . '/b.php');
-exit;
-?>

src/mibew/captcha.php

@@ -18,9 +18,6 @@
 require_once(dirname(__FILE__) . '/libs/init.php');
 require_once(MIBEW_FS_ROOT . '/libs/captcha.php');
 
-$captchaCode = gen_captcha();
+$captcha_code = gen_captcha();
-$_SESSION["mibew_captcha"] = $captchaCode;
+$_SESSION["mibew_captcha"] = $captcha_code;
-draw_captcha($captchaCode);
+draw_captcha($captcha_code);
-
-exit;
-?>

src/mibew/client.php

@@ -54,7 +54,7 @@ if (get_remote_level($_SERVER['HTTP_USER_AGENT']) == 'old') {
     exit;
 }
 
-$action = verifyparam("act", "/^(invitation|mailthread)$/", "default");
+$action = verify_param("act", "/^(invitation|mailthread)$/", "default");
 
 if ($action == 'invitation' && Settings::get('enabletracking')) {
     // Check if user invited to chat
@@ -76,7 +76,7 @@ if ($action == 'invitation' && Settings::get('enabletracking')) {
 
 if (!isset($_GET['token']) || !isset($_GET['thread'])) {
 
-	$thread = NULL;
+    $thread = null;
     if (isset($_SESSION['threadid'])) {
         $thread = Thread::reopen($_SESSION['threadid']);
     }
@@ -84,33 +84,31 @@ if( !isset($_GET['token']) || !isset($_GET['thread']) ) {
     if (!$thread) {
 
         // Load group info
-		$groupid = "";
+        $group_id = "";
-		$groupname = "";
+        $group_name = "";
-		$group = NULL;
+        $group = null;
         if (Settings::get('enablegroups') == '1') {
-			$groupid = verifyparam( "group", "/^\d{1,8}$/", "");
+            $group_id = verify_param("group", "/^\d{1,8}$/", "");
-			if($groupid) {
+            if ($group_id) {
-				$group = group_by_id($groupid);
+                $group = group_by_id($group_id);
                 if (!$group) {
-					$groupid = "";
+                    $group_id = "";
                 } else {
-					$groupname = get_group_name($group);
+                    $group_name = get_group_name($group);
                 }
             }
         }
 
         // Get operator code
-		$operator_code = empty($_GET['operator_code'])
+        $operator_code = empty($_GET['operator_code']) ? '' : $_GET['operator_code'];
-			? ''
-			: $_GET['operator_code'];
         if (!preg_match("/^[A-z0-9_]+$/", $operator_code)) {
             $operator_code = false;
         }
 
         // Get visitor info
         $visitor = visitor_from_request();
-		$info = getgetparam('info');
+        $info = get_get_param('info');
-		$email = getgetparam('email');
+        $email = get_get_param('email');
 
         // Get referrer
         $referrer = isset($_GET['url'])
@@ -122,14 +120,14 @@ if( !isset($_GET['token']) || !isset($_GET['thread']) ) {
         }
 
         // Check if there are online operators
-		if(!has_online_operators($groupid)) {
+        if (!has_online_operators($group_id)) {
             // Display leave message page
             $page = array_merge_recursive(
                 setup_logo($group),
                 setup_leavemessage(
                     $visitor['name'],
                     $email,
-					$groupid,
+                    $group_id,
                     $info,
                     $referrer
                 )
@@ -154,14 +152,17 @@ if( !isset($_GET['token']) || !isset($_GET['thread']) ) {
         }
 
         // Check if survey should be displayed
-		if(Settings::get('enablepresurvey') == '1'
+        if (Settings::get('enablepresurvey') == '1' && !$visitor_is_invited && !$requested_operator) {
-			&& !$visitor_is_invited
-			&& !$requested_operator
-		) {
             // Display prechat survey
             $page = array_merge_recursive(
                 setup_logo($group),
-				setup_survey($visitor['name'], $email, $groupid, $info, $referrer)
+                setup_survey(
+                    $visitor['name'],
+                    $email,
+                    $group_id,
+                    $info,
+                    $referrer
+                )
             );
             $page['surveyOptions'] = json_encode($page['survey']);
             $chat_style->render('chat', $page);
@@ -169,19 +170,29 @@ if( !isset($_GET['token']) || !isset($_GET['thread']) ) {
         }
 
         // Start chat thread
-		$thread = chat_start_for_user($groupid, $requested_operator, $visitor['id'], $visitor['name'], $referrer, $info);
+        $thread = chat_start_for_user(
+            $group_id,
+            $requested_operator,
+            $visitor['id'],
+            $visitor['name'],
+            $referrer,
+            $info
+        );
     }
-	$threadid = $thread->id;
+    $thread_id = $thread->id;
     $token = $thread->lastToken;
-	$chatstyle = verifyparam( "style", "/^\w+$/", "");
+    $chat_style_name = verify_param("style", "/^\w+$/", "");
-	header("Location: " . MIBEW_WEB_ROOT . "/client.php?thread=" . intval($threadid) . "&token=" . urlencode($token) . ($chatstyle ? "&style=" . urlencode($chatstyle) : ""));
+    $redirect_to = MIBEW_WEB_ROOT . "/client.php?thread=" . intval($thread_id)
+        . "&token=" . urlencode($token)
+        . ($chat_style_name ? "&style=" . urlencode($chat_style_name) : "");
+    header("Location: " . $redirect_to);
     exit;
 }
 
-$token = verifyparam( "token", "/^\d{1,8}$/");
+$token = verify_param("token", "/^\d{1,8}$/");
-$threadid = verifyparam( "thread", "/^\d{1,8}$/");
+$thread_id = verify_param("thread", "/^\d{1,8}$/");
 
-$thread = Thread::load($threadid, $token);
+$thread = Thread::load($thread_id, $token);
 if (!$thread) {
     die("wrong thread");
 }
@@ -196,5 +207,3 @@ if($action == "mailthread") {
     // Expand page
     $chat_style->render('chat', $page);
 }
-
-?>

src/mibew/cron.php

@@ -22,6 +22,7 @@ use Mibew\Settings;
 // Initialize libraries
 require_once(dirname(__FILE__) . '/libs/init.php');
 require_once(MIBEW_FS_ROOT . '/libs/track.php');
+require_once(MIBEW_FS_ROOT . '/libs/chat.php');
 require_once(MIBEW_FS_ROOT . '/libs/statistics.php');
 require_once(MIBEW_FS_ROOT . '/libs/cron.php');
 
@@ -54,5 +55,3 @@ if (! $quiet) {
     // TODO: May be localize it
     echo('All cron jobs done.');
 }
-
-?>

src/mibew/index.php

@@ -16,6 +16,3 @@
  */
 
 header("Location: operator/index.php");
-exit;
-
-?>

src/mibew/install/dbperform.php

@@ -36,6 +36,8 @@ define('MIBEW_WEB_ROOT', $mibewroot);
 
 // Include common functions
 require_once(MIBEW_FS_ROOT.'/libs/common/constants.php');
+require_once(MIBEW_FS_ROOT.'/libs/common/verification.php');
+require_once(MIBEW_FS_ROOT.'/libs/common/converter.php');
 require_once(MIBEW_FS_ROOT.'/libs/common/locale.php');
 require_once(MIBEW_FS_ROOT.'/libs/common/misc.php');
 require_once(MIBEW_FS_ROOT.'/libs/common/response.php');
@@ -48,7 +50,7 @@ function runsql($query, $link)
 	return $res;
 }
 
-$act = verifyparam("act", "/^(silentcreateall|createdb|ct|dt|addcolumns)$/");
+$act = verify_param("act", "/^(silentcreateall|createdb|ct|dt|addcolumns)$/");
 
 $link = @mysql_connect($mysqlhost, $mysqllogin, $mysqlpass)
 		 or show_install_err('Could not connect: ' . mysql_error());

src/mibew/install/index.php

@@ -48,6 +48,8 @@ define('MIBEW_WEB_ROOT', $base_url);
 
 // Include common functions
 require_once(MIBEW_FS_ROOT.'/libs/common/constants.php');
+require_once(MIBEW_FS_ROOT.'/libs/common/verification.php');
+require_once(MIBEW_FS_ROOT.'/libs/common/converter.php');
 require_once(MIBEW_FS_ROOT.'/libs/common/locale.php');
 require_once(MIBEW_FS_ROOT.'/libs/common/misc.php');
 require_once(MIBEW_FS_ROOT.'/libs/common/response.php');
@@ -307,7 +309,7 @@ function add_canned_messages($link){
 	foreach (get_available_locales() as $locale) {
 		if (! in_array($locale, $existlocales)) {
 			foreach (explode("\n", getstring_('chat.predefined_answers', $locale)) as $answer) {
-				$result[] = array('locale' => $locale, 'vctitle' => cutstring($answer, 97, '...'), 'vcvalue' => $answer);
+				$result[] = array('locale' => $locale, 'vctitle' => cut_string($answer, 97, '...'), 'vcvalue' => $answer);
 			}
 		}
 	}

src/mibew/libs/canned.php

@@ -18,18 +18,19 @@
 // Import namespaces and classes of the core
 use Mibew\Database;
 
-function load_canned_messages($locale, $groupid)
+function load_canned_messages($locale, $group_id)
 {
     $db = Database::getInstance();
     $values = array(':locale' => $locale);
-	if ($groupid) {
+    if ($group_id) {
-		$values[':groupid'] = $groupid;
+        $values[':groupid'] = $group_id;
     }
+
     return $db->query(
-		"select id, vctitle, vcvalue from {chatresponses} " .
+        ("SELECT id, vctitle, vcvalue FROM {chatresponses} "
-		"where locale = :locale AND (" .
+            . "WHERE locale = :locale AND ("
-		($groupid ? "groupid = :groupid" : "groupid is NULL OR groupid = 0") .
+                . ($group_id ? "groupid = :groupid" : "groupid is NULL OR groupid = 0")
-		") order by vcvalue",
+            . ") ORDER BY vcvalue"),
         $values,
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
@@ -39,10 +40,11 @@ function load_canned_message($key)
 {
     $db = Database::getInstance();
     $result = $db->query(
-		"select vctitle, vcvalue from {chatresponses} where id = ?",
+        "SELECT vctitle, vcvalue FROM {chatresponses} WHERE id = ?",
         array($key),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
+
     return $result ? $result : null;
 }
 
@@ -50,24 +52,22 @@ function save_canned_message($key, $title, $message)
 {
     $db = Database::getInstance();
     $db->query(
-		"update {chatresponses} set vcvalue = ?, vctitle = ? where id = ?",
+        "UPDATE {chatresponses} SET vcvalue = ?, vctitle = ? WHERE id = ?",
         array($message, $title, $key)
     );
 }
 
-function add_canned_message($locale, $groupid, $title, $message)
+function add_canned_message($locale, $group_id, $title, $message)
 {
     $db = Database::getInstance();
     $db->query(
-		"insert into {chatresponses} (locale,groupid,vctitle,vcvalue) " .
+        ("INSERT INTO {chatresponses} (locale,groupid,vctitle,vcvalue) "
-		"values (?, ?, ?, ?)",
+            . "VALUES (?, ?, ?, ?)"),
         array(
             $locale,
-			($groupid ? $groupid : "null"),
+            ($group_id ? $group_id : "null"),
             $title,
-			$message
+            $message,
         )
     );
 }
-
-?>

src/mibew/libs/captcha.php

@@ -27,12 +27,12 @@ function gen_captcha()
     for ($i = 0; $i < 5; $i++) {
         $string .= substr($symbols, mt_rand(0, strlen($symbols)), 1);
     }
+
     return $string;
 }
 
 function draw_captcha($security_code)
 {
-
     //Set the image width and height
     $width = 100;
     $height = 25;
@@ -71,5 +71,3 @@ function draw_captcha($security_code)
     //Free up resources
     ImageDestroy($image);
 }
-
-?>

src/mibew/libs/chat.php

@@ -22,13 +22,9 @@ use Mibew\Thread;
 use Mibew\Style\ChatStyle;
 use Mibew\Style\PageStyle;
 
-// Initialize libraries
-require_once(MIBEW_FS_ROOT.'/libs/track.php');
-
 /**
  * Names for chat-related cookies
  */
-
 define('USERID_COOKIE_NAME', 'MIBEW_UserID');
 define('USERNAME_COOKIE_NAME', 'MIBEW_Data');
 
@@ -36,10 +32,11 @@ function message_to_text($msg)
 {
     $message_time = date("H:i:s ", $msg['created']);
     if ($msg['kind'] == Thread::KIND_USER || $msg['kind'] == Thread::KIND_AGENT) {
-		if ($msg['name'])
+        if ($msg['name']) {
             return $message_time . $msg['name'] . ": " . $msg['message'] . "\n";
-		else
+        } else {
             return $message_time . $msg['message'] . "\n";
+        }
     } elseif ($msg['kind'] == Thread::KIND_INFO) {
         return $message_time . $msg['message'] . "\n";
     } else {
@@ -47,55 +44,64 @@ function message_to_text($msg)
     }
 }
 
-function get_user_name($username, $addr, $id)
+function get_user_name($user_name, $addr, $id)
 {
     return str_replace(
-		"{addr}", $addr,
+        "{addr}",
+        $addr,
         str_replace(
-			"{id}", $id,
+            "{id}",
-			str_replace("{name}", $username, Settings::get('usernamepattern'))
+            $id,
+            str_replace("{name}", $user_name, Settings::get('usernamepattern'))
         )
     );
 }
 
-function is_ajax_browser($browserid, $ver, $useragent)
+function is_ajax_browser($browser_id, $ver, $user_agent)
 {
-	if ($browserid == "opera")
+    if ($browser_id == "opera") {
         return $ver >= 8.02;
-	if ($browserid == "safari")
+    }
+    if ($browser_id == "safari") {
         return $ver >= 125;
-	if ($browserid == "msie")
+    }
-		return $ver >= 5.5 && !strstr($useragent, "powerpc");
+    if ($browser_id == "msie") {
-	if ($browserid == "netscape")
+        return $ver >= 5.5 && !strstr($user_agent, "powerpc");
+    }
+    if ($browser_id == "netscape") {
         return $ver >= 7.1;
-	if ($browserid == "mozilla")
+    }
+    if ($browser_id == "mozilla") {
         return $ver >= 1.4;
-	if ($browserid == "firefox")
+    }
+    if ($browser_id == "firefox") {
         return $ver >= 1.0;
-	if ($browserid == "chrome")
+    }
+    if ($browser_id == "chrome") {
         return true;
+    }
 
     return false;
 }
 
-function get_remote_level($useragent)
+function get_remote_level($user_agent)
 {
     $known_agents = get_known_user_agents();
-	$useragent = strtolower($useragent);
+    $user_agent = strtolower($user_agent);
     foreach ($known_agents as $agent) {
-		if (strstr($useragent, $agent)) {
+        if (strstr($user_agent, $agent)) {
-			if (preg_match("/" . $agent . "[\\s\/]?(\\d+(\\.\\d+)?)/", $useragent, $matches)) {
+            if (preg_match("/" . $agent . "[\\s\/]?(\\d+(\\.\\d+)?)/", $user_agent, $matches)) {
                 $ver = $matches[1];
 
-				if (is_ajax_browser($agent, $ver, $useragent)) {
+                if (is_ajax_browser($agent, $ver, $user_agent)) {
                     return "ajaxed";
                 } else {
                     return "old";
                 }
+            }
+        }
+    }
 
-			}
-		}
-	}
     return "ajaxed";
 }
 
@@ -104,7 +110,8 @@ function get_remote_level($useragent)
  *
  * @return array List of known user agents
  */
-function get_known_user_agents() {
+function get_known_user_agents()
+{
     return array(
         "opera",
         "msie",
@@ -112,34 +119,38 @@ function get_known_user_agents() {
         "safari",
         "firefox",
         "netscape",
-		"mozilla"
+        "mozilla",
     );
 }
 
 function is_agent_opera95()
 {
-	$useragent = strtolower($_SERVER['HTTP_USER_AGENT']);
+    $user_agent = strtolower($_SERVER['HTTP_USER_AGENT']);
-	if (strstr($useragent, "opera")) {
+    if (strstr($user_agent, "opera")) {
-		if (preg_match("/opera[\\s\/]?(\\d+(\\.\\d+)?)/", $useragent, $matches)) {
+        if (preg_match("/opera[\\s\/]?(\\d+(\\.\\d+)?)/", $user_agent, $matches)) {
             $ver = $matches[1];
 
-			if ($ver >= "9.5")
+            if ($ver >= "9.5") {
                 return true;
             }
         }
+    }
+
     return false;
 }
 
 function is_mac_opera()
 {
-	$useragent = strtolower($_SERVER['HTTP_USER_AGENT']);
+    $user_agent = strtolower($_SERVER['HTTP_USER_AGENT']);
-	return strstr($useragent, "opera") && strstr($useragent, "mac");
+
+    return strstr($user_agent, "opera") && strstr($user_agent, "mac");
 }
 
-function needsFramesrc()
+function needs_frame_src()
 {
-	$useragent = strtolower($_SERVER['HTTP_USER_AGENT']);
+    $user_agent = strtolower($_SERVER['HTTP_USER_AGENT']);
-	return strstr($useragent, "safari/");
+
+    return strstr($user_agent, "safari/");
 }
 
 /**
@@ -148,24 +159,28 @@ function needsFramesrc()
  * @param array $group Group info
  * @return array Array of logo data
  */
-function setup_logo($group = NULL) {
+function setup_logo($group = null)
+{
     $data = array();
+    $top_level_group = (!$group) ? array() : get_top_level_group($group);
 
-	$toplevelgroup = (!$group)?array():get_top_level_group($group);
+    $group_name = empty($top_level_group['vctitle'])
+        ? Settings::get('title')
+        : $top_level_group['vctitle'];
+
+    $logo = empty($top_level_group['vclogo'])
+        ? Settings::get('logo')
+        : $top_level_group['vclogo'];
+
+    $mibew_host = empty($top_level_group['vchosturl'])
+        ? Settings::get('hosturl')
+        : $top_level_group['vchosturl'];
 
     $data['company'] = array(
-		'name' => topage(empty($toplevelgroup['vctitle'])
+        'name' => to_page($group_name),
-			? Settings::get('title')
+        'chatLogoURL' => to_page($logo),
-			: $toplevelgroup['vctitle']),
-
-		'chatLogoURL' => topage(empty($toplevelgroup['vclogo'])
-			? Settings::get('logo')
-			: $toplevelgroup['vclogo'])
     );
-
+    $data['mibewHost'] = to_page($mibew_host);
-	$data['mibewHost'] = topage(empty($toplevelgroup['vchosturl'])
-		? Settings::get('hosturl')
-		: $toplevelgroup['vchosturl']);
 
     return $data;
 }
@@ -174,16 +189,15 @@ function setup_logo($group = NULL) {
  * Prepare values common for chat, prechat survey form and leave message form.
  * @return array
  */
-function prepare_chat_app_data() {
+function prepare_chat_app_data()
+{
     $data = array();
 
     // Set enter key shortcut
     if (Settings::get('sendmessagekey') == 'enter') {
         $data['send_shortcut'] = "Enter";
     } else {
-		$data['send_shortcut'] = is_mac_opera()
+        $data['send_shortcut'] = is_mac_opera() ? "⌘-Enter" : "Ctrl-Enter";
-			? "⌘-Enter"
-			: "Ctrl-Enter";
     }
 
     // Set refresh frequency
@@ -194,7 +208,7 @@ function prepare_chat_app_data() {
         'email.required' => no_field("form.field.email"),
         'name.required' => no_field("form.field.name"),
         'message.required' => no_field("form.field.message"),
-		'wrong.email' => wrong_field("form.field.email")
+        'wrong.email' => wrong_field("form.field.email"),
     );
 
     return $data;
@@ -210,7 +224,8 @@ function prepare_chat_app_data() {
  * @param string $referrer URL of referrer page
  * @return array Array of leave message form data
  */
-function setup_leavemessage($name, $email, $group_id, $info, $referrer) {
+function setup_leavemessage($name, $email, $group_id, $info, $referrer)
+{
     $data = prepare_chat_app_data();
 
     // Load JavaScript plugins and JavaScripts, CSS files required by them
@@ -226,14 +241,13 @@ function setup_leavemessage($name, $email, $group_id, $info, $referrer) {
     }
 
     $data['leaveMessage']['leaveMessageForm'] = array(
-		'name' => topage($name),
+        'name' => to_page($name),
-		'email' => topage($email),
+        'email' => to_page($email),
         'groupId' => $group_id,
         'groupName' => $group_name,
-		'info' => topage($info),
+        'info' => to_page($info),
-		'referrer' => topage($referrer),
+        'referrer' => to_page($referrer),
-		'showCaptcha' => (bool)(Settings::get("enablecaptcha") == "1"
+        'showCaptcha' => (bool) (Settings::get("enablecaptcha") == "1" && can_show_captcha()),
-			&& can_show_captcha())
     );
 
     $data['page.title'] = (empty($group_name) ? '' : $group_name . ': ')
@@ -262,7 +276,8 @@ function setup_leavemessage($name, $email, $group_id, $info, $referrer) {
  * @param string $referrer URL of referrer page
  * @return array Array of survey data
  */
-function setup_survey($name, $email, $group_id, $info, $referrer) {
+function setup_survey($name, $email, $group_id, $info, $referrer)
+{
     $data = prepare_chat_app_data();
 
     // Load JavaScript plugins and JavaScripts, CSS files required by them
@@ -272,14 +287,14 @@ function setup_survey($name, $email, $group_id, $info, $referrer) {
     $data['survey'] = array();
 
     $data['survey']['surveyForm'] = array(
-		'name' => topage($name),
+        'name' => to_page($name),
         'groupId' => $group_id,
-		'email' => topage($email),
+        'email' => to_page($email),
-		'info' => topage($info),
+        'info' => to_page($info),
-		'referrer' => topage($referrer),
+        'referrer' => to_page($referrer),
         'showEmail' => (bool) (Settings::get("surveyaskmail") == "1"),
         'showMessage' => (bool) (Settings::get("surveyaskmessage") == "1"),
-		'canChangeName' => (bool)(Settings::get('usercanchangename') == "1")
+        'canChangeName' => (bool) (Settings::get('usercanchangename') == "1"),
     );
 
     $data['page.title'] = getlocal('presurvey.title');
@@ -287,8 +302,7 @@ function setup_survey($name, $email, $group_id, $info, $referrer) {
         'title' => $data['page.title']
     );
 
-	if (Settings::get('enablegroups') == '1'
+    if (Settings::get('enablegroups') == '1' && Settings::get('surveyaskgroup') == '1') {
-			&& Settings::get('surveyaskgroup') == '1') {
         $data['survey']['surveyForm']['groups']
             = prepare_groups_select($group_id);
     }
@@ -314,10 +328,9 @@ function setup_survey($name, $email, $group_id, $info, $referrer) {
  *    - 'online': boolean, indicates if group online;
  *    - 'selected': boolean, indicates if group selected by default.
  */
-function prepare_groups_select($group_id) {
+function prepare_groups_select($group_id)
-	$show_groups = ($group_id == '')
+{
-		? true
+    $show_groups = ($group_id == '') ? true : group_has_children($group_id);
-		: group_has_children($group_id);
 
     if (!$show_groups) {
         return false;
@@ -334,9 +347,9 @@ function prepare_groups_select($group_id) {
 
     foreach ($all_groups as $group) {
         $group_is_empty = (bool) ($group['inumofagents'] == 0);
-		$group_related_with_specified = (empty($group_id)
+        $group_related_with_specified = empty($group_id)
             || $group['parent'] == $group_id
-			|| $group['groupid'] == $group_id);
+            || $group['groupid'] == $group_id;
 
         if ($group_is_empty || !$group_related_with_specified) {
             continue;
@@ -351,7 +364,7 @@ function prepare_groups_select($group_id) {
             'name' => get_group_name($group),
             'description' => get_group_description($group),
             'online' => group_is_online($group),
-			'selected' => (bool)($group['groupid'] == $selected_group_id)
+            'selected' => (bool) ($group['groupid'] == $selected_group_id),
         );
     }
 
@@ -381,7 +394,8 @@ function prepare_groups_select($group_id) {
  * @param Thread $thread thread object
  * @return array Array of chat view data
  */
-function setup_chatview(Thread $thread) {
+function setup_chatview(Thread $thread)
+{
     $data = prepare_chat_app_data();
 
     // Get group info
@@ -396,7 +410,7 @@ function setup_chatview(Thread $thread) {
     $data['chat'] = array(
         'messageForm' => array(),
         'links' => array(),
-		'windowsParams' => array()
+        'windowsParams' => array(),
     );
 
     // Set thread params
@@ -405,20 +419,15 @@ function setup_chatview(Thread $thread) {
         'token' => $thread->lastToken
     );
 
-	$data['page.title'] = topage(
+    $data['page.title'] = to_page(
-		empty($group['vcchattitle'])
+        empty($group['vcchattitle']) ? Settings::get('chattitle') : $group['vcchattitle']
-			? Settings::get('chattitle')
-			: $group['vcchattitle']
     );
     $data['chat']['page'] = array(
         'title' => $data['page.title']
     );
 
     // Setup logo
-	$data = array_merge_recursive(
+    $data = array_merge_recursive($data, setup_logo($group));
-		$data,
-		setup_logo($group)
-	);
 
     // Set enter key shortcut
     if (Settings::get('sendmessagekey') == 'enter') {
@@ -429,7 +438,7 @@ function setup_chatview(Thread $thread) {
 
     // Set some browser info
     $data['isOpera95'] = is_agent_opera95();
-	$data['neediframesrc'] = needsFramesrc();
+    $data['neediframesrc'] = needs_frame_src();
 
     // Load dialogs style options
     $chat_style = new ChatStyle(ChatStyle::currentStyle());
@@ -451,11 +460,11 @@ function setup_chatview(Thread $thread) {
 /**
  * Prepare some data for chat for user
  *
- * @param Thread $thread thread object
+ * @param Thread $thread thread object that will be used
- * be used
  * @return array Array of chat view data
  */
-function setup_chatview_for_user(Thread $thread) {
+function setup_chatview_for_user(Thread $thread)
+{
     $data = setup_chatview($thread);
 
     // Load JavaScript plugins and JavaScripts, CSS files required by them
@@ -463,12 +472,11 @@ function setup_chatview_for_user(Thread $thread) {
 
     // Set user info
     $data['chat']['user'] = array(
-		'name' => htmlspecialchars(topage($thread->userName)),
+        'name' => htmlspecialchars(to_page($thread->userName)),
         'canChangeName' => (bool) (Settings::get('usercanchangename') == "1"),
-		'defaultName' => (bool)(getstring("chat.default.username")
+        'defaultName' => (bool) (getstring("chat.default.username") != $thread->userName),
-			!= $thread->userName),
         'canPost' => true,
-		'isAgent' => false
+        'isAgent' => false,
     );
 
     $params = "thread=" . $thread->id . "&token=" . $thread->lastToken;
@@ -494,7 +502,8 @@ function setup_chatview_for_user(Thread $thread) {
  * @param Thread $thread thread object
  * @return array Array of chat view data
  */
-function setup_chatview_for_operator(Thread $thread, $operator) {
+function setup_chatview_for_operator(Thread $thread, $operator)
+{
     $data = setup_chatview($thread);
 
     // Load JavaScript plugins and JavaScripts, CSS files required by them
@@ -503,7 +512,7 @@ function setup_chatview_for_operator(Thread $thread, $operator) {
     // Set operator info
     $data['chat']['user'] = array(
         'name' => htmlspecialchars(
-			topage(
+            to_page(
                 get_user_name(
                     $thread->userName,
                     $thread->remote,
@@ -512,7 +521,7 @@ function setup_chatview_for_operator(Thread $thread, $operator) {
             )
         ),
         'canPost' => (bool) ($thread->agentId == $operator['operatorid']),
-		'isAgent' => true
+        'isAgent' => true,
     );
 
     // Set SSL link
@@ -533,7 +542,7 @@ function setup_chatview_for_operator(Thread $thread, $operator) {
 
     // Set tracking params
     if (Settings::get('enabletracking')) {
-	    $visitor = track_get_visitor_by_threadid($thread->id);
+        $visitor = track_get_visitor_by_thread_id($thread->id);
         $tracked_link_params = array("visitor" => "" . $visitor['visitorid']);
         $data['chat']['links']['tracked'] = add_params(
             MIBEW_WEB_ROOT . "/operator/tracked.php",
@@ -556,9 +565,7 @@ function setup_chatview_for_operator(Thread $thread, $operator) {
         foreach ($canned_messages as $answer) {
             $predefined_answers[] = array(
                 'short' => htmlspecialchars(
-					topage($answer['vctitle']
+                    to_page($answer['vctitle'] ? $answer['vctitle'] : cut_string($answer['vcvalue'], 97, '...'))
-						? $answer['vctitle']
-						: cutstring($answer['vcvalue'], 97, '...'))
                 ),
                 'full' => myiconv(
                     MIBEW_ENCODING,
@@ -584,11 +591,10 @@ function ban_for_addr($addr)
 {
     $db = Database::getInstance();
     return $db->query(
-		"select banid,comment from {chatban} " .
+        "SELECT banid,comment FROM {chatban} WHERE dtmtill > :now AND address = :addr",
-		"where dtmtill > :now AND address = :addr",
         array(
             ':addr' => $addr,
-			':now' => time()
+            ':now' => time(),
         ),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
@@ -596,36 +602,39 @@ function ban_for_addr($addr)
 
 function visitor_from_request()
 {
-	$defaultName = getstring("chat.default.username");
+    $default_name = getstring("chat.default.username");
-	$userName = $defaultName;
+    $user_name = $default_name;
     if (isset($_COOKIE[USERNAME_COOKIE_NAME])) {
         $data = base64_decode(strtr($_COOKIE[USERNAME_COOKIE_NAME], '-_,', '+/='));
         if (strlen($data) > 0) {
-			$userName = myiconv("utf-8", MIBEW_ENCODING, $data);
+            $user_name = myiconv("utf-8", MIBEW_ENCODING, $data);
         }
     }
 
-	if ($userName == $defaultName) {
+    if ($user_name == $default_name) {
-		$userName = getgetparam('name', $userName);
+        $user_name = get_get_param('name', $user_name);
     }
 
     if (isset($_COOKIE[USERID_COOKIE_NAME])) {
-		$userId = $_COOKIE[USERID_COOKIE_NAME];
+        $user_id = $_COOKIE[USERID_COOKIE_NAME];
     } else {
-		$userId = uniqid('', TRUE);
+        $user_id = uniqid('', true);
-		setcookie(USERID_COOKIE_NAME, $userId, time() + 60 * 60 * 24 * 365);
+        setcookie(USERID_COOKIE_NAME, $user_id, time() + 60 * 60 * 24 * 365);
     }
-	return array('id' => $userId, 'name' => $userName);
+
+    return array('id' => $user_id, 'name' => $user_name);
 }
 
 function get_remote_host()
 {
-	$extAddr = $_SERVER['REMOTE_ADDR'];
+    $ext_addr = $_SERVER['REMOTE_ADDR'];
-	if (isset($_SERVER['HTTP_X_FORWARDED_FOR']) &&
+    $has_proxy = isset($_SERVER['HTTP_X_FORWARDED_FOR'])
-		$_SERVER['HTTP_X_FORWARDED_FOR'] != $_SERVER['REMOTE_ADDR']) {
+        && $_SERVER['HTTP_X_FORWARDED_FOR'] != $_SERVER['REMOTE_ADDR'];
-		$extAddr = $_SERVER['REMOTE_ADDR'] . ' (' . $_SERVER['HTTP_X_FORWARDED_FOR'] . ')';
+    if ($has_proxy) {
+        $ext_addr = $_SERVER['REMOTE_ADDR'] . ' (' . $_SERVER['HTTP_X_FORWARDED_FOR'] . ')';
     }
-	return isset($_SERVER['REMOTE_HOST']) ? $_SERVER['REMOTE_HOST'] : $extAddr;
+
+    return isset($_SERVER['REMOTE_HOST']) ? $_SERVER['REMOTE_HOST'] : $ext_addr;
 }
 
 /**
@@ -638,7 +647,14 @@ function get_remote_host()
  * @param string $referrer Page user came from
  * @param string $info User info
  */
-function chat_start_for_user($group_id, $requested_operator, $visitor_id, $visitor_name, $referrer, $info) {
+function chat_start_for_user(
+    $group_id,
+    $requested_operator,
+    $visitor_id,
+    $visitor_name,
+    $referrer,
+    $info
+) {
     // Get user info
     $remote_host = get_remote_host();
     $user_browser = $_SERVER['HTTP_USER_AGENT'];
@@ -740,5 +756,3 @@ function chat_start_for_user($group_id, $requested_operator, $visitor_id, $visit
 
     return $thread;
 }
-
-?>

src/mibew/libs/classes/Mibew/API/API.php

@@ -22,8 +22,8 @@ namespace Mibew\API;
  *
  * @todo May be use regular methods instead of static one
  */
-class API {
+class API
-
+{
     /**
      * Version of the MIBEW API protocol implemented by the class
      */
@@ -31,6 +31,7 @@ class API {
 
     /**
      * Array of \Mibew\API\API objects
+     *
      * @var array
      */
     protected static $interactions = array();
@@ -40,7 +41,7 @@ class API {
      *
      * @var \Mibew\API\Interaction
      */
-	protected $interaction = NULL;
+    protected $interaction = null;
 
     /**
      * Returns \Mibew\API\API object
@@ -49,7 +50,8 @@ class API {
      * @return MibeAPI object
      * @throws \Mibew\API\APIException
      */
-	public static function getAPI($class_name) {
+    public static function getAPI($class_name)
+    {
         if (!class_exists($class_name)) {
             throw new APIException(
                 "Wrong interaction type",
@@ -59,16 +61,8 @@ class API {
         if (empty(self::$interactions[$class_name])) {
             self::$interactions[$class_name] = new self(new $class_name());
         }
-		return self::$interactions[$class_name];
-	}
 
-	/**
+        return self::$interactions[$class_name];
-	 * Class constructor
-	 *
-	 * @param \Mibew\API\Interaction $interaction Interaction type object
-	 */
-	protected function __construct(Interaction\Interaction $interaction) {
-		$this->interaction = $interaction;
     }
 
     /**
@@ -78,7 +72,8 @@ class API {
      * @param array $trusted_signatures Array of trusted signatures.
      * @throws \Mibew\API\APIException
      */
-	public function checkPackage($package, $trusted_signatures) {
+    public function checkPackage($package, $trusted_signatures)
+    {
         // Check signature
         if (!isset($package['signature'])) {
             throw new APIException(
@@ -140,7 +135,8 @@ class API {
      * @param array $request Request array. See Mibew API for details.
      * @throws \Mibew\API\APIException
      */
-	public function checkRequest($request) {
+    public function checkRequest($request)
+    {
         // Check token
         if (empty($request['token'])) {
             throw new APIException(
@@ -165,11 +161,12 @@ class API {
      * Validate function
      *
      * @param array $function Function array. See Mibew API for details.
-	 * @param boolean $filter_reserved_functions Determine if function name must not be in
+     * @param boolean $filter_reserved_functions Determine if function name must
-	 * reserved list
+     *   not be in reserved list
      * @throws \Mibew\API\APIException
      */
-	public function checkFunction($function, $filter_reserved_functions = false) {
+    public function checkFunction($function, $filter_reserved_functions = false)
+    {
         // Check function name
         if (empty($function['function'])) {
             throw new APIException(
@@ -178,10 +175,7 @@ class API {
             );
         }
         if ($filter_reserved_functions) {
-			if (in_array(
+            if (in_array($function['function'], $this->interaction->reservedFunctionNames)) {
-				$function['function'],
-				$this->interaction->reservedFunctionNames
-			)) {
                 throw new APIException(
                     "'{$function['function']}' is reserved function name",
                     APIException::FUNCTION_NAME_RESERVED
@@ -218,15 +212,18 @@ class API {
      *
      * @param array $requests Requests array. See Mibew API for details.
      * @param string $signature Sender signature.
-	 * @param boolean $async true for asynchronous request and false for synchronous request
+     * @param boolean $async true for asynchronous request and false for
+     *   synchronous request
      * @return string Ready for transfer encoded package
      */
-	public function encodePackage($requests, $signature, $async) {
+    public function encodePackage($requests, $signature, $async)
+    {
         $package = array();
         $package['signature'] = $signature;
         $package['proto'] = self::PROTOCOL_VERSION;
         $package['async'] = $async;
         $package['requests'] = $requests;
+
         return urlencode(json_encode($package));
     }
 
@@ -238,7 +235,8 @@ class API {
      * @return array Decoded package array. See Mibew API for details.
      * @throws \Mibew\API\APIException
      */
-	public function decodePackage($package, $trusted_signatures) {
+    public function decodePackage($package, $trusted_signatures)
+    {
         // Try to decode package
         $decoded_package = urldecode($package);
         $decoded_package = json_decode($decoded_package, true);
@@ -248,8 +246,7 @@ class API {
         if ($json_error_code != JSON_ERROR_NONE) {
             // Not valid JSON
             throw new APIException(
-				"Package have invalid json structure. " .
+                "Package have invalid json structure. JSON error code is '" . $json_error_code . "'",
-					"JSON error code is '" . $json_error_code . "'",
                 APIException::NOT_VALID_JSON
             );
         }
@@ -265,33 +262,39 @@ class API {
      * @param array $result_arguments Arguments of result function
      * @return array Result package
      */
-	public function buildResult($token, $result_arguments) {
+    public function buildResult($token, $result_arguments)
+    {
         $arguments = $result_arguments + $this->interaction->getObligatoryArgumentsDefaults('result');
         $package = array(
             'token' => $token,
             'functions' => array(
                 array(
                     'function' => 'result',
-					'arguments' => $arguments
+                    'arguments' => $arguments,
-				)
+                ),
-			)
+            ),
         );
+
         return $package;
     }
 
     /**
-	 * Search 'result' function in $function_list. If request contains more than one result
+     * Search 'result' function in $function_list.
-	 * functions throws an \Mibew\API\APIException
      *
-	 * @param array $functions_list Array of functions. See Mibew API specification
+     * If request contains more than one result the functions throws
-	 * for function structure details
+     * an \Mibew\API\APIException.
-	 * @param mixed $existance Control existance of the 'result' function in request.
+     *
-	 * Use boolean true if 'result' function must exists in request, boolean false if must not
+     * @param array $functions_list Array of functions. See Mibew API
-	 * and null if it doesn't matter.
+     *   specification for function structure details.
-	 * @return mixed Function array if 'result' function found and NULL otherwise
+     * @param mixed $existance Control existance of the 'result' function in
+     *   request. Use boolean true if 'result' function must exists in request,
+     *   boolean false if must not and null if it doesn't matter.
+     * @return mixed Function array if 'result' function found and NULL
+     * otherwise
      * @throws \Mibew\API\APIException
      */
-	public function getResultFunction ($functions_list, $existence = null) {
+    public function getResultFunction($functions_list, $existence = null)
+    {
         $result_function = null;
         // Try to find 'result' function
         foreach ($functions_list as $function) {
@@ -321,8 +324,17 @@ class API {
                 APIException::RESULT_FUNCTION_EXISTS
             );
         }
+
         return $result_function;
     }
-}
 
-?>
+    /**
+     * Class constructor
+     *
+     * @param \Mibew\API\Interaction $interaction Interaction type object
+     */
+    protected function __construct(Interaction\Interaction $interaction)
+    {
+        $this->interaction = $interaction;
+    }
+}

src/mibew/libs/classes/Mibew/API/APIException.php

@@ -20,7 +20,8 @@ namespace Mibew\API;
 /**
  * Mibew API Exception class.
  */
-class APIException extends \Exception {
+class APIException extends \Exception
+{
     /**
      * Async flag is missed.
      */
@@ -114,5 +115,3 @@ class APIException extends \Exception {
      */
     const WRONG_PROTOCOL_VERSION = 23;
 }
-
-?>

src/mibew/libs/classes/Mibew/API/ExecutionContext.php

@@ -20,18 +20,21 @@ namespace Mibew\API;
 /**
  * Implements functions execution context
  */
-class ExecutionContext {
+class ExecutionContext
+{
     /**
      * Values which returns after execution of all functions in request
+     *
      * @var array
      */
     protected $return = array();
 
     /**
      * Results of execution of all function in request
+     *
      * @var array
      */
-	protected $functions_results = array();
+    protected $functionsResults = array();
 
     /**
      * Returns requets results
@@ -39,27 +42,35 @@ class ExecutionContext {
      * @return array Request results
      * @see \Mibew\API\ExecutionContext::$return
      */
-	public function getResults () {
+    public function getResults()
+    {
         return $this->return;
     }
 
     /**
-	 * Build arguments list by replace all references by values of execution context
+     * Build arguments list by replace all references by values of execution
+     * context.
      *
      * @param array $function Function array. See MibewAPI for details.
      * @return array Arguments list
      * @throws \Mibew\API\APIException
      */
-	public function getArgumentsList ($function) {
+    public function getArgumentsList($function)
+    {
         $arguments = $function['arguments'];
         $references = $function['arguments']['references'];
         foreach ($references as $variable => $func_num) {
             // Check target function in context
-			if (! isset($this->functions_results[$func_num - 1])) {
+            if (!isset($this->functionsResults[$func_num - 1])) {
                 // Wrong function num
+                $message = "Wrong reference in '%s' function. "
+                    . "Function #%s does not call yet.";
                 throw new APIException(
-					"Wrong reference in '{$function['function']}' function. " .
+                    sprintf(
-					"Function #{$func_num} does not call yet.",
+                        $message,
+                        $function['function'],
+                        $func_num
+                    ),
                     APIException::WRONG_FUNCTION_NUM_IN_REFERENCE
                 );
             }
@@ -68,47 +79,63 @@ class ExecutionContext {
             if (empty($arguments[$variable])) {
                 // Empty argument that should contains reference
                 throw new APIException(
-					"Wrong reference in '{$function['function']}' function. " .
+                    sprintf(
-					"Empty {$variable} argument.",
+                        "Wrong reference in '%s' function. Empty %s argument.",
+                        $function['function'],
+                        $variable
+                    ),
                     APIException::EMPTY_VARIABLE_IN_REFERENCE
                 );
             }
             $reference_to = $arguments[$variable];
 
             // Check target value
-			if (! isset($this->functions_results[$func_num - 1][$reference_to])) {
+            if (!isset($this->functionsResults[$func_num - 1][$reference_to])) {
                 // Undefined target value
+                $message = "Wrong reference in '%s' function. "
+                    . "There is no '%s' argument in #%s function results";
                 throw new APIException(
-					"Wrong reference in '{$function['function']}' function. " .
+                    sprintf(
-					"There is no '{$reference_to}' argument in #{$func_num} " .
+                        $message,
-					"function results",
+                        $function['function'],
+                        $reference_to,
+                        $func_num
+                    ),
                     APIException::VARIABLE_IS_UNDEFINED_IN_REFERENCE
                 );
             }
 
             // Replace reference by target value
-			$arguments[$variable] = $this->functions_results[$func_num - 1][$reference_to];
+            $arguments[$variable] = $this->functionsResults[$func_num - 1][$reference_to];
         }
+
         return $arguments;
     }
 
     /**
-	 * Stores functions results in execution context and add values to request result
+     * Stores functions results in execution context and add values to request
+     * result.
      *
      * @param array $function Function array. See MibewAPI for details.
      * @param array $results Associative array of the function results.
      * @throws \Mibew\API\APIException
      */
-	public function storeFunctionResults ($function, $results) {
+    public function storeFunctionResults($function, $results)
+    {
         // Check if function return correct results
         if (empty($results['errorCode'])) {
             // Add value to request results
             foreach ($function['arguments']['return'] as $name => $alias) {
                 if (!isset($results[$name])) {
                     // Value that defined in 'return' argument is undefined
+                    $message = "Variable with name '%s' is undefined "
+                        . "in the results of the '%s' function";
                     throw new APIException(
-						"Variable with name '{$name}' is undefined in the " .
+                        sprintf(
-						"results of the '{$function['function']}' function",
+                            $message,
+                            $name,
+                            $function['function']
+                        ),
                         APIException::VARIABLE_IS_UNDEFINED_IN_RESULT
                     );
                 }
@@ -124,9 +151,6 @@ class ExecutionContext {
         }
 
         // Store function results in execution context
-		$this->functions_results[] = $results;
+        $this->functionsResults[] = $results;
     }
-
 }
-
-?>

src/mibew/libs/classes/Mibew/API/Interaction/ChatInteraction.php

@@ -20,7 +20,17 @@ namespace Mibew\API\Interaction;
 /**
  * Implements Mibew Core - Mibew Chat Window interaction
  */
-class ChatInteraction extends Interaction {
+class ChatInteraction extends Interaction
+{
+    /**
+     * Reserved function's names
+     * @var array
+     * @see \Mibew\API\Interaction\Interaction::$reservedFunctionNames
+     */
+    public $reservedFunctionNames = array(
+        'result',
+    );
+
     /**
      * Defines obligatory arguments and default values for them
      * @var array
@@ -31,21 +41,10 @@ class ChatInteraction extends Interaction {
             'threadId' => null,
             'token' => null,
             'references' => array(),
-			'return' => array()
+            'return' => array(),
         ),
         'result' => array(
-			'errorCode' => 0
+            'errorCode' => 0,
-		)
+        ),
-	);
-
-	/**
-	 * Reserved function's names
-	 * @var array
-	 * @see \Mibew\API\Interaction\Interaction::$reservedFunctionNames
-	 */
-	public $reservedFunctionNames = array(
-		'result'
     );
 }
-
-?>

src/mibew/libs/classes/Mibew/API/Interaction/Interaction.php

@@ -20,28 +20,8 @@ namespace Mibew\API\Interaction;
 /**
  * Encapsulates interaction type
  */
-abstract class Interaction {
+abstract class Interaction
-	/**
+{
-	 * Defines obligatory arguments and default values for them
-	 *
-	 * @var array Keys of the array are function names ('*' for all functions). Values are arrays of obligatory
-	 * arguments with key for name of an argument and value for default value.
-	 *
-	 * For example:
-	 * <code>
-	 * protected $obligatoryArguments = array(
-	 *		'*' => array(                          // Obligatory arguments for all functions are
-	 *			'return' => array(),               // 'return' with array() by default and
-	 *			'references' => array()            // 'references' with array() by default
-	 *		),
-	 *		'result' => array(                     // There is an additional argument for the result function
-	 *			'errorCode' => 0                   // This is 'error_code' with 0 by default
-	 *		)
-	 * );
-	 * </code>
-	 */
-	protected $obligatoryArguments = array();
-
     /**
      * Reserved function's names
      *
@@ -50,13 +30,39 @@ abstract class Interaction {
      */
     public $reservedFunctionNames = array();
 
+    /**
+     * Defines obligatory arguments and default values for them
+     *
+     * @var array Keys of the array are function names ('*' for all functions).
+     * Values are arrays of obligatory arguments with key for name of an
+     * argument and value for default value.
+     *
+     * For example:
+     * <code>
+     * protected $obligatoryArguments = array(
+     *     '*' => array(
+     *         // Obligatory arguments for all functions are:
+     *         'return' => array(),     // 'return' with array() by default and
+     *         'references' => array()  // 'references' with array() by default
+     *     ),
+     *
+     *     'result' => array(
+     *         // There is an additional argument for the result function
+     *         'errorCode' => 0        // This is 'error_code' with 0 by default
+     *     )
+     * );
+     * </code>
+     */
+    protected $obligatoryArguments = array();
+
     /**
      * Returns obligatory arguments for the $function_name function
      *
      * @param string $function_name Function name
      * @return array An array of obligatory arguments
      */
-	public function getObligatoryArguments($function_name) {
+    public function getObligatoryArguments($function_name)
+    {
         $obligatory_arguments = array();
         // Add obligatory for all functions arguments
         if (!empty($this->obligatoryArguments['*'])) {
@@ -72,28 +78,36 @@ abstract class Interaction {
                 array_keys($this->obligatoryArguments[$function_name])
             );
         }
+
         return array_unique($obligatory_arguments);
     }
 
     /**
-	 * Returns default values of obligatory arguments for the $function_name function
+     * Returns default values of obligatory arguments for the $function_name
+     * function
      *
      * @param string $function_name Function name
-	 * @return array Associative array with keys are obligatory arguments and values are default
+     * @return array Associative array with keys are obligatory arguments and
-	 * values of them
+     *   values are default values of them
      */
-	public function getObligatoryArgumentsDefaults($function_name) {
+    public function getObligatoryArgumentsDefaults($function_name)
+    {
         $obligatory_arguments = array();
         // Add obligatory for all functions arguments
         if (!empty($this->obligatoryArguments['*'])) {
-			$obligatory_arguments = array_merge($obligatory_arguments, $this->obligatoryArguments['*']);
+            $obligatory_arguments = array_merge(
+                $obligatory_arguments,
+                $this->obligatoryArguments['*']
+            );
         }
         // Add obligatory arguments for given function
         if (!empty($this->obligatoryArguments[$function_name])) {
-			$obligatory_arguments = array_merge($obligatory_arguments, $this->obligatoryArguments[$function_name]);
+            $obligatory_arguments = array_merge(
+                $obligatory_arguments,
+                $this->obligatoryArguments[$function_name]
+            );
         }
+
         return $obligatory_arguments;
     }
 }
-
-?>

src/mibew/libs/classes/Mibew/API/Interaction/InviteInteraction.php

@@ -20,7 +20,17 @@ namespace Mibew\API\Interaction;
 /**
  * Implements Mibew Core - Mibew invitation waiting window interaction
  */
-class InviteInteraction extends Interaction {
+class InviteInteraction extends Interaction
+{
+    /**
+     * Reserved function's names
+     * @var array
+     * @see \Mibew\API\Interaction\Interaction::$reservedFunctionNames
+     */
+    public $reservedFunctionNames = array(
+        'result',
+    );
+
     /**
      * Defines obligatory arguments and default values for them
      * @var array
@@ -30,21 +40,10 @@ class InviteInteraction extends Interaction {
         '*' => array(
             'references' => array(),
             'return' => array(),
-			'visitorId' => null
+            'visitorId' => null,
         ),
         'result' => array(
-			'errorCode' => 0
+            'errorCode' => 0,
-		)
+        ),
-	);
-
-	/**
-	 * Reserved function's names
-	 * @var array
-	 * @see \Mibew\API\Interaction\Interaction::$reservedFunctionNames
-	 */
-	public $reservedFunctionNames = array(
-		'result'
     );
 }
-
-?>

src/mibew/libs/classes/Mibew/API/Interaction/UsersInteraction.php

@@ -20,7 +20,17 @@ namespace Mibew\API\Interaction;
 /**
  * Implements Mibew Core - Mibew Users list interaction
  */
-class UsersInteraction extends Interaction {
+class UsersInteraction extends Interaction
+{
+    /**
+     * Reserved function's names
+     * @var array
+     * @see \Mibew\API\Interaction\Interaction::$reservedFunctionNames
+     */
+    public $reservedFunctionNames = array(
+        'result',
+    );
+
     /**
      * Defines obligatory arguments and default values for them
      * @var array
@@ -30,24 +40,13 @@ class UsersInteraction extends Interaction {
         '*' => array(
             'agentId' => null,
             'references' => array(),
-			'return' => array()
+            'return' => array(),
         ),
         'updateThreads' => array(
-			'revision' => 0
+            'revision' => 0,
         ),
         'result' => array(
-			'errorCode' => 0
+            'errorCode' => 0,
-		)
+        ),
-	);
-
-	/**
-	 * Reserved function's names
-	 * @var array
-	 * @see \Mibew\API\Interaction\Interaction::$reservedFunctionNames
-	 */
-	public $reservedFunctionNames = array(
-		'result'
     );
 }
-
-?>

src/mibew/libs/classes/Mibew/Database.php

@@ -21,8 +21,8 @@ namespace Mibew;
  * Encapsulates work with database. Implenets singleton pattern to provide only
  * one instance.
  */
-Class Database{
+class Database
-
+{
     const FETCH_ASSOC = 1;
     const FETCH_NUM = 2;
     const FETCH_BOTH = 4;
@@ -33,13 +33,13 @@ Class Database{
      * An instance of Database class
      * @var Database
      */
-	protected static $instance = NULL;
+    protected static $instance = null;
 
     /**
      * PDO object
      * @var \PDO
      */
-	protected $dbh = NULL;
+    protected $dbh = null;
 
     /**
      * Database host
@@ -72,7 +72,8 @@ Class Database{
     protected $tablesPrefix = '';
 
     /**
-	 * Database connection encoding. Use only if Database::$forceCharsetInConnection set to true
+     * Database connection encoding. Is used only if
+     * Database::$forceCharsetInConnection is set to true.
      * @var string
      *
      * @see Database::$forceCharsetInConnection
@@ -104,7 +105,7 @@ Class Database{
      * Id of the last query
      * @var type
      */
-	protected $lastQuery = NULL;
+    protected $lastQuery = null;
 
     /**
      * Controls if exception must be processed into class or thrown
@@ -116,45 +117,59 @@ Class Database{
      * Get instance of Database class.
      *
      * If no instance exists, creates new instance.
-	 * Use Database::initialize() before try to get an instance. If database was not initilize coorectly triggers an
+     * Use Database::initialize() before try to get an instance. If database
-	 * error with E_USER_ERROR level.
+     * was not initilize coorectly triggers an error with E_USER_ERROR level.
      *
      * @return Database
      * @see Database::initialize()
      */
-	public static function getInstance(){
+    public static function getInstance()
+    {
         if (is_null(self::$instance)) {
             trigger_error('Database was not initialized correctly', E_USER_ERROR);
         }
+
         return self::$instance;
     }
 
     /**
      * Destroy internal database object
      */
-	public static function destroy(){
+    public static function destroy()
+    {
         if (!is_null(self::$instance)) {
             self::$instance->__destruct();
-			self::$instance = NULL;
+            self::$instance = null;
         }
     }
 
     /**
      * Initialize database.
      *
-	 * Set internal database and connectionproperties. Create Database object. Create PDO object and store it in the
+     * Set internal database and connectionproperties. Create Database object.
-	 * Database object.
+     * Create PDO object and store it in the Database object.
      *
      * @param string $host Database host.
      * @param string $user Database user name.
      * @param string $pass Database for user with $name password.
-	 * @param boolean $use_pconn Control use persistent connection to the database or not.
+     * @param boolean $use_pconn Control use persistent connection to the
+     *   database or not.
      * @param string $db Database name.
      * @param string $prefix Database tables prefix
      * @param boolean $force_charset Control force charset in conection or not.
-	 * @param string $encoding Contains connection encoding. Using only if $force_charset = true.
+     * @param string $encoding Contains connection encoding. Is used only if
+     *   $force_charset is equals to TRUE.
      */
-	public static function initialize($host, $user, $pass, $use_pconn, $db, $prefix, $force_charset = false, $encoding = 'utf8') {
+    public static function initialize(
+        $host,
+        $user,
+        $pass,
+        $use_pconn,
+        $db,
+        $prefix,
+        $force_charset = false,
+        $encoding = 'utf8'
+    ) {
         // Check PDO
         if (!extension_loaded('PDO')) {
             throw new \Exception('PDO extension is not loaded');
@@ -198,27 +213,6 @@ Class Database{
         self::$instance = $instance;
     }
 
-	/**
-	 * Forbid clone objects
-	 */
-	private final function __clone() {}
-
-	/**
-	 * Forbid external object creation
-	 */
-	protected function __construct() {}
-
-	/**
-	 * Handles errors
-	 * @param \Exception $e
-	 */
-	protected function handleError(\Exception $e){
-		if ($this->throwExceptions) {
-			throw $e;
-		}
-		die($e->getMessage());
-	}
-
     /**
      * Set if exceptions must be process into the class or thrown and return
      * previous value.
@@ -229,52 +223,55 @@ Class Database{
      * @param boolean $value Value that should be set. This argument is optional
      * @return bool Previous value
      */
-	public function throwExeptions(){
+    public function throwExeptions()
+    {
         $last_value = $this->throwExceptions;
         if (func_num_args() > 0) {
             $this->throwExceptions = func_get_arg(0);
         }
+
         return $last_value;
     }
 
     /**
      * Database class destructor.
      */
-	public function __destruct(){
+    public function __destruct()
+    {
         foreach ($this->preparedStatements as $key => $statement) {
-			$this->preparedStatements[$key] = NULL;
+            $this->preparedStatements[$key] = null;
         }
-		$this->dbh = NULL;
+        $this->dbh = null;
-		self::$instance = NULL;
+        self::$instance = null;
     }
 
     /**
      * Executes SQL query.
+     *
      * In SQL query can be used PDO style placeholders:
      * unnamed placeholders (question marks '?') and named placeholders (like
-	 * ':name').
+     * ':name'). If unnamed placeholders are used, $values array must have
-	 * If unnamed placeholders are used, $values array must have numeric indexes.
+     * numeric indexes. If named placeholders are used, $values param must be an
-	 * If named placeholders are used, $values param must be an associative array
+     * associative array with keys corresponding to the placeholders names
-	 * with keys corresponding to the placeholders names
      *
      * Table prefix automatically substitute if table name puts in curly braces
      *
      * @param string $query SQL query
      * @param array $values Values, that must be substitute instead of
      *   placeholders in SQL query.
-	 * @param array $params Array of query parameters. It can contains values with
+     * @param array $params Array of query parameters. It can contains values
-	 *   following keys:
+     *   with following keys:
      *   - 'return_rows' control if rows must be returned and how many rows must
-	 *     be returnd. The value can be Database::RETURN_ONE_ROW for olny one row
+     *     be returnd. The value can be Database::RETURN_ONE_ROW for olny one
-	 *     or Database::RETURN_ALL_ROWS for all rows. If this key not specified,
+     *     row or Database::RETURN_ALL_ROWS for all rows. If this key not
-	 *     the function will not return any rows.
+     *     specified, the function will not return any rows.
      *   - 'fetch_type' control indexes in resulting rows. The value can be
      *     Database::FETCH_ASSOC for associative array, Database::FETCH_NUM for
      *     array with numeric indexes and Database::FETCH_BOTH for both indexes.
      *     Default value is Database::FETCH_ASSOC.
      * @return mixed If 'return_rows' key of the $params array is specified,
-	 *   returns one or several rows (depending on $params['return_rows'] value) or
+     *   returns one or several rows (depending on $params['return_rows'] value)
-	 *   boolean false on fail.
+     *   or boolean false on fail.
      *   If 'return_rows' key of the $params array is not specified, returns
      *   boolean true on success or false on fail.
      *
@@ -284,7 +281,8 @@ Class Database{
      * @see Database::FETCH_NUM
      * @see Database::FETCH_BOTH
      */
-	public function query($query, $values = NULL, $params = array()){
+    public function query($query, $values = null, $params = array())
+    {
         try {
             $query = preg_replace("/\{(\w+)\}/", $this->tablesPrefix . "$1", $query);
 
@@ -310,7 +308,6 @@ Class Database{
             }
 
             // Some rows must be returned
-
             // Get indexes type
             if (!array_key_exists('fetch_type', $params)) {
                 $params['fetch_type'] = Database::FETCH_ASSOC;
@@ -347,21 +344,23 @@ Class Database{
     }
 
     /**
-	 * Returns value of PDOStatement::$errorInfo property for last query
+     * Returns value of PDOStatement::$errorInfo property for last query.
-	 * @return string Error info array
      *
+     * @return string Error info array
      * @see \PDOStatement::$erorrInfo
      */
-	public function errorInfo(){
+    public function errorInfo()
+    {
         if (is_null($this->lastQuery)) {
             return false;
         }
         try {
-			$errorInfo = $this->preparedStatements[$this->lastQuery]->errorInfo();
+            $error_info = $this->preparedStatements[$this->lastQuery]->errorInfo();
         } catch (\Exception $e) {
             $this->handleError($e);
         }
-		return $errorInfo;
+
+        return $error_info;
     }
 
     /**
@@ -369,13 +368,15 @@ Class Database{
      *
      * @return int The ID
      */
-	public function insertedId(){
+    public function insertedId()
+    {
         try {
-			$lastInsertedId = $this->dbh->lastInsertId();
+            $last_inserted_id = $this->dbh->lastInsertId();
         } catch (\Exception $e) {
             $this->handleError($e);
         }
-		return $lastInsertedId;
+
+        return $last_inserted_id;
     }
 
     /**
@@ -383,7 +384,8 @@ Class Database{
      *
      * @return int Affected rows count
      */
-	public function affectedRows(){
+    public function affectedRows()
+    {
         if (is_null($this->lastQuery)) {
             return false;
         }
@@ -392,9 +394,33 @@ Class Database{
         } catch (\Exception $e) {
             $this->handleError($e);
         }
+
         return $affected_rows;
     }
 
+    /**
+     * Forbid external object creation
+     */
+    protected function __construct()
+    {
     }
 
-?>
+    /**
+     * Handles errors
+     * @param \Exception $e
+     */
+    protected function handleError(\Exception $e)
+    {
+        if ($this->throwExceptions) {
+            throw $e;
+        }
+        die($e->getMessage());
+    }
+
+    /**
+     * Forbid clone objects
+     */
+    final private function __clone()
+    {
+    }
+}

src/mibew/libs/classes/Mibew/EventDispatcher.php

@@ -21,23 +21,26 @@ namespace Mibew;
  * Provide event-related functionality.
  * Implements singleton pattern.
  */
-Class EventDispatcher {
+class EventDispatcher
-
+{
     /**
      * An instance of EventDispatcher class.
+     *
      * @var EventDispatcher
      */
     protected static $instance = null;
 
     /**
      * Events and listeners array.
+     *
      * @var array
      */
     protected $events = array();
 
     /**
-	 * Increments any time when plugin adds. Use for determine plugins order for plugins with
+     * Increments any time when plugin adds. Is used for determine plugins order
-	 * equal priority.
+     * for plugins with equal priority.
+     *
      * @var int
      */
     protected $offset = 0;
@@ -47,18 +50,15 @@ Class EventDispatcher {
      *
      * @return EventDispatcher
      */
-	public static function getInstance(){
+    public static function getInstance()
+    {
         if (self::$instance === null) {
             self::$instance = new self();
         }
+
         return self::$instance;
     }
 
-	/**
-	 * Make constructor unavailable for client code
-	 */
-	protected function __constructor() {}
-
     /**
      * Attaches listener function to event.
      *
@@ -67,16 +67,18 @@ Class EventDispatcher {
      * @param string $event_name Event's name
      * @param \Mibew\Plugin $plugin Plugin object, that handles the event
      * @param string $listener Plugins method, that handles the event
-	 * @param int $priority Priority of listener. If $priority = null, the plugin weight will
+     * @param int $priority Priority of listener. If $priority = null, the
-	 * use instead.
+     *   plugin weight will use instead.
      * @return boolean true on success or false on failure.
      *
      * @see \Mibew\Plugin::getWeight()
      */
-	public function attachListener($event_name, Plugin $plugin, $listener, $priority = null){
+    public function attachListener($event_name, Plugin $plugin, $listener, $priority = null)
+    {
         // Check method is callable
         if (!is_callable(array($plugin, $listener))) {
             trigger_error("Method '{$listener}' is not callable!", E_USER_WARNING);
+
             return false;
         }
         // Create empty array for event listener if it not exists
@@ -90,9 +92,10 @@ Class EventDispatcher {
         // Attach listener
         $this->events[$event_name][$priority . "_" . $this->offset] = array(
             'plugin' => $plugin,
-			'listener' => $listener
+            'listener' => $listener,
         );
         $this->offset++;
+
         return true;
     }
 
@@ -104,7 +107,8 @@ Class EventDispatcher {
      * @param string $listener Plugins method, that handles the event
      * @return boolean true on success or false on failure.
      */
-	public function detachListener($event_name, Plugin $plugin, $listener){
+    public function detachListener($event_name, Plugin $plugin, $listener)
+    {
         // Check event exists
         if (!array_key_exists($event_name, $this->events)) {
             return false;
@@ -114,9 +118,11 @@ Class EventDispatcher {
             if ($event['plugin'] === $plugin && $event['listener'] == $listener) {
                 // Detach listener
                 unset($this->events[$event_name][$index]);
+
                 return true;
             }
         }
+
         return false;
     }
 
@@ -127,7 +133,8 @@ Class EventDispatcher {
      * @param array &$arguments Arguments passed to listener
      * @return boolean true on success or false on failure
      */
-	public function triggerEvent($event_name, &$arguments = array()){
+    public function triggerEvent($event_name, &$arguments = array())
+    {
         // Check event listeners exists
         if (!array_key_exists($event_name, $this->events)) {
             return true;
@@ -140,9 +147,14 @@ Class EventDispatcher {
             $listener = $event['listener'];
             $plugin->$listener($arguments);
         }
+
         return true;
     }
 
+    /**
+     * Make constructor unavailable for client code
+     */
+    protected function __constructor()
+    {
+    }
 }
-
-?>

src/mibew/libs/classes/Mibew/Plugin.php

@@ -20,8 +20,8 @@ namespace Mibew;
 /**
  * Base plugin class
  */
-abstract Class Plugin {
+abstract class Plugin
-
+{
     /**
      * Constructor must set this value to true after successful initialization
      * failures
@@ -36,8 +36,8 @@ abstract Class Plugin {
     protected $config = array();
 
     /**
-	 * Returns plugin weight. Weight is used for determine loading order and as default
+     * Returns plugin weight. Weight is used for determine loading order and as
-	 * listner priority.
+     * default listner priority.
      *
      * @return int Plugin weight
      */
@@ -63,9 +63,8 @@ abstract Class Plugin {
      *
      * @return array List of plugin's dependences.
      */
-	public static function getDependences() {
+    public static function getDependences()
+    {
         return array();
     }
 }
-
-?>

src/mibew/libs/classes/Mibew/PluginManager.php

@@ -20,13 +20,14 @@ namespace Mibew;
 /**
  * Manage plugins
  */
-Class PluginManager {
+class PluginManager
-
+{
     /**
      * Contains all loaded plugins
+     *
      * @var array
      */
-	protected static $loaded_plugins = array();
+    protected static $loadedPlugins = array();
 
     /**
      * Returns plugin object
@@ -34,14 +35,16 @@ Class PluginManager {
      * @param string $plugin_name
      * @return \Mibew\Plugin
      */
-	public static function getPlugin($plugin_name) {
+    public static function getPlugin($plugin_name)
-		if (empty(self::$loaded_plugins[$plugin_name])) {
+    {
+        if (empty(self::$loadedPlugins[$plugin_name])) {
             trigger_error(
                 "Plugin '{$plugin_name}' does not initialized!",
                 E_USER_WARNING
             );
         }
-		return self::$loaded_plugins[$plugin_name];
+
+        return self::$loadedPlugins[$plugin_name];
     }
 
     /**
@@ -51,8 +54,9 @@ Class PluginManager {
      *
      * @return array
      */
-	public static function getAllPlugins() {
+    public static function getAllPlugins()
-		return self::$loaded_plugins;
+    {
+        return self::$loadedPlugins;
     }
 
     /**
@@ -76,7 +80,8 @@ Class PluginManager {
      *
      * @see Plugin::registerListeners()
      */
-	public static function loadPlugins($plugins_list){
+    public static function loadPlugins($plugins_list)
+    {
         // Add include path
         $include_path = get_include_path();
         $include_path .= empty($include_path) ? '' : PATH_SEPARATOR;
@@ -112,26 +117,22 @@ Class PluginManager {
             }
             // Check if plugin extends abstract 'Plugin' class
             if ('Mibew\\Plugin' != get_parent_class($plugin_classname)) {
-				trigger_error(
+                $error_essage = "Plugin class '{$plugin_classname}' does not "
-					"Plugin class '{$plugin_classname}' does not extend " .
+                    . "extend abstract '\\Mibew\\Plugin' class!";
-					"abstract '\\Mibew\\Plugin' class!",
+                trigger_error($error_essage, E_USER_WARNING);
-					E_USER_WARNING
-				);
                 continue;
             }
 
             // Check plugin dependences
             $plugin_dependences = call_user_func(array(
                 $plugin_classname,
-				'getDependences'
+                'getDependences',
             ));
             foreach ($plugin_dependences as $dependence) {
-				if (empty(self::$loaded_plugins[$dependence])) {
+                if (empty(self::$loadedPlugins[$dependence])) {
-					trigger_error(
+                    $error_essage = "Plugin '{$dependence}' was not loaded "
-						"Plugin '{$dependence}' was not loaded yet, but " .
+                        . "yet, but exists in '{$plugin_name}' dependences list!";
-						"exists in '{$plugin_name}' dependences list!",
+                    trigger_error($error_essage, E_USER_WARNING);
-						E_USER_WARNING
-					);
                     continue 2;
                 }
             }
@@ -140,7 +141,7 @@ Class PluginManager {
             $plugin_instance = new $plugin_classname($plugin_config);
             if ($plugin_instance->initialized) {
                 // Store plugin instance
-				self::$loaded_plugins[$plugin_name] = $plugin_instance;
+                self::$loadedPlugins[$plugin_name] = $plugin_instance;
                 $loading_queue[$plugin_instance->getWeight() . "_" . $offset] = $plugin_instance;
                 $offset++;
             } else {
@@ -158,5 +159,3 @@ Class PluginManager {
         }
     }
 }
-
-?>

src/mibew/libs/classes/Mibew/RequestProcessor/ClientSideProcessor.php

@@ -24,7 +24,8 @@ use Mibew\Database;
  * Base class for all request processors that interact with JavaScript
  * applications at the client side.
  */
-abstract class ClientSideProcessor extends Processor {
+abstract class ClientSideProcessor extends Processor
+{
 
     /**
      * Call function at client side
@@ -34,7 +35,8 @@ abstract class ClientSideProcessor extends Processor {
      * @param array|null $callback callback array for synchronous requests.
      * @return mixed request result or boolean false on failure.
      */
-	public function call($functions, $callback = null) {
+    public function call($functions, $callback = null)
+    {
         return parent::call($functions, true, $callback);
     }
 
@@ -44,7 +46,8 @@ abstract class ClientSideProcessor extends Processor {
      * @param array $responses An array of the 'Request' arrays. See Mibew API
      * for details
      */
-	protected function sendAsyncResponses($responses) {
+    protected function sendAsyncResponses($responses)
+    {
         header("Content-type: text/plain; charset=UTF-8");
         echo($this->mibewAPI->encodePackage(
             $responses,
@@ -60,7 +63,8 @@ abstract class ClientSideProcessor extends Processor {
      * @param String $key Request key. Use to load request from buffer.
      * @param $request Request array.
      */
-	protected function addRequestToBuffer($key, $request) {
+    protected function addRequestToBuffer($key, $request)
+    {
         // Save request to database
         $db = Database::getInstance();
         $db->query(
@@ -75,7 +79,8 @@ abstract class ClientSideProcessor extends Processor {
      * @param String $key Request key
      * @return array Array of requests with given key
      */
-	protected function getRequestsFromBuffer($key) {
+    protected function getRequestsFromBuffer($key)
+    {
         $db = Database::getInstance();
 
         $key = md5($key);
@@ -96,9 +101,7 @@ abstract class ClientSideProcessor extends Processor {
         foreach ($requests as $request_info) {
             $result[] = unserialize($request_info['request']);
         }
+
         return $result;
     }
-
 }
-
-?>

src/mibew/libs/classes/Mibew/RequestProcessor/Exception/InviteProcessorException.php

@@ -20,11 +20,10 @@ namespace Mibew\RequestProcessor\Exception;
 /**
  * Class for {@link \Mibew\RequestProcessor\InviteRequestProcessor} exceptions
  */
-class InviteProcessorException extends ProcessorException {
+class InviteProcessorException extends ProcessorException
+{
     /**
      * Operator is not logged in
      */
     const ERROR_AGENT_NOT_LOGGED_IN = 1;
 }
-
-?>

src/mibew/libs/classes/Mibew/RequestProcessor/Exception/ProcessorException.php

@@ -20,11 +20,10 @@ namespace Mibew\RequestProcessor\Exception;
 /**
  * Class for {@link \Mibew\RequestProcessor\Processor} exceptions.
  */
-class ProcessorException extends \Exception {
+class ProcessorException extends \Exception
+{
     /**
      * Wrong function arguments
      */
     const WRONG_ARGUMENTS = 1;
 }
-
-?>

src/mibew/libs/classes/Mibew/RequestProcessor/Exception/ThreadProcessorException.php

@@ -20,7 +20,8 @@ namespace Mibew\RequestProcessor\Exception;
 /**
  * Class for {@link \Mibew\RequestProcessor\ThreadProcessor} exceptions.
  */
-class ThreadProcessorException extends ProcessorException {
+class ThreadProcessorException extends ProcessorException
+{
     /**
      * 'recipient' argument is not set
      */
@@ -66,5 +67,3 @@ class ThreadProcessorException extends ProcessorException {
      */
     const ERROR_WRONG_EMAIL = 11;
 }
-
-?>

src/mibew/libs/classes/Mibew/RequestProcessor/Exception/UsersProcessorException.php

@@ -20,7 +20,8 @@ namespace Mibew\RequestProcessor\Exception;
 /**
  * Class for {@link \Mibew\RequestProcessor\UsersProcessor} exceptions
  */
-class UsersProcessorException extends ProcessorException {
+class UsersProcessorException extends ProcessorException
+{
     /**
      * Operator is not logged in
      */
@@ -34,5 +35,3 @@ class UsersProcessorException extends ProcessorException {
      */
     const VARIOUS_AGENT_ID = 3;
 }
-
-?>

src/mibew/libs/classes/Mibew/RequestProcessor/InviteProcessor.php

@@ -33,22 +33,26 @@ use Mibew\RequestProcessor\Exception\InviteProcessorException;
  *
  * Implements Singleton pattern
  */
-class InviteProcessor extends ClientSideProcessor {
+class InviteProcessor extends ClientSideProcessor
-
+{
     /**
      * An instance of the InviteProcessor class
+     *
      * @var \Mibew\RequestProcessor\InviteProcessor
      */
     protected static $instance = null;
 
     /**
      * Return an instance of the InviteProcessor class.
+     *
      * @return \Mibew\RequestProcessor\InviteProcessor
      */
-	public static function getInstance() {
+    public static function getInstance()
+    {
         if (is_null(self::$instance)) {
             self::$instance = new self();
         }
+
         return self::$instance;
     }
 
@@ -57,9 +61,11 @@ class InviteProcessor extends ClientSideProcessor {
      *
      * Do not use directly __construct method! Use
      * \Mibew\RequestProcessor\InviteProcessor::getInstance() instead!
+     *
      * @todo Think about why the method is not protected
      */
-	public function __construct() {
+    public function __construct()
+    {
         parent::__construct(array(
             'signature' => '',
             'trusted_signatures' => array(''),
@@ -72,7 +78,8 @@ class InviteProcessor extends ClientSideProcessor {
      *
      * @return \Mibew\API\API
      */
-	protected function getMibewAPIInstance() {
+    protected function getMibewAPIInstance()
+    {
         return MibewAPI::getAPI('\\Mibew\\API\\Interaction\\InviteInteraction');
     }
 
@@ -80,9 +87,11 @@ class InviteProcessor extends ClientSideProcessor {
      * Stub for sendAsyncRequest method.
      *
      * Actually request not send to client side. This method is ONLY STUB.
+     *
      * @return boolean Always true
      */
-	protected function sendAsyncRequest() {
+    protected function sendAsyncRequest()
+    {
         return true;
     }
 
@@ -90,9 +99,11 @@ class InviteProcessor extends ClientSideProcessor {
      * Stub for call method.
      *
      * Actually nothing can be called at client side. This method is ONLY STUB.
+     *
      * @return boolean Always false.
      */
-	public function call() {
+    public function call()
+    {
         return false;
     }
 
@@ -104,9 +115,11 @@ class InviteProcessor extends ClientSideProcessor {
      *    - 'visitorId': Id of the invited visitor
      * @return array Array of results. It contains following keys:
      *    - 'invited': boolean, indicates if visitor is invited
-	 *  - 'threadId': thread id related to visitor or false if there is no thread
+     *    - 'threadId': thread id related to visitor or false if there is no
+     *      thread
      */
-	protected function apiInvitationState($args) {
+    protected function apiInvitationState($args)
+    {
         $operator = get_logged_in();
         if (!$operator) {
             throw new InviteProcessorException(
@@ -116,11 +129,10 @@ class InviteProcessor extends ClientSideProcessor {
         }
 
         $invitation = invitation_state($args['visitorId']);
+
         return array(
             'invited' => (bool) $invitation['invited'],
-			'threadId' => ($invitation['threadid'] ? $invitation['threadid'] : false)
+            'threadId' => ($invitation['threadid'] ? $invitation['threadid'] : false),
         );
     }
 }
-
-?>

src/mibew/libs/classes/Mibew/RequestProcessor/Processor.php

@@ -92,28 +92,32 @@ use Mibew\RequestProcessor\Exception\ProcessorException;
  *
  * @see \Mibew\RequestProcessor\Processor::__construct()
  */
-abstract class Processor {
+abstract class Processor
-
+{
     /**
      * Instance of the MibewAPI class
+     *
      * @var \Mibew\API\API
      */
     protected $mibewAPI = null;
 
     /**
      * Prefix that uses for all events triggered by the class.
+     *
      * @var string
      */
     protected $eventPrefix = '';
 
     /**
      * Array of the responses packages
+     *
      * @var array
      */
     protected $responses = array();
 
     /**
      * Array of configurations
+     *
      * @var array
      */
     protected $config = array();
@@ -124,14 +128,15 @@ abstract class Processor {
      * @param type $config Configuration data.
      *   It must contains following keys:
      *    - 'signature': Use for verification sender
-	 *  - 'trusted_signatures': array of trusted signatures. Uses for identify another
+     *    - 'trusted_signatures': array of trusted signatures. Uses for identify
-	 *    side of interaction.
+     *      another side of interaction.
      *   And may contains following (if not default values will be used)
      *    - 'event_prefix': prefix that uses for all events triggered by the
      *      class. The default value is the class name with first character in
      *      lower case
      */
-	public function __construct($config) {
+    public function __construct($config)
+    {
         // Check signature
         if (!isset($config['signature'])) {
             trigger_error("Signature is not specified", E_USER_ERROR);
@@ -159,13 +164,15 @@ abstract class Processor {
     /**
      * Proccess received packages
      *
-	 * On any error function returns only boolean false. To handle error add listener to the
+     * On any error function returns only boolean false. To handle error add
-	 * "<eventPrefix>RequestError" event.
+     * listener to the "<eventPrefix>RequestError" event.
      *
      * @param string $package Encoded package
-	 * @return boolean true if request processed succussfully or false on failure
+     * @return boolean true if request processed succussfully or false on
+     *   failure
      */
-	public function receiveRequest($package){
+    public function receiveRequest($package)
+    {
         $dispatcher = EventDispatcher::getInstance();
         // Try to handle request
         try {
@@ -245,23 +252,27 @@ abstract class Processor {
             // Something went wrong. Trigger error event
             $vars = array('exception' => $e);
             $dispatcher->triggerEvent($this->eventPrefix . 'RequestError', $vars);
+
             return false;
         }
+
         return true;
     }
 
     /**
      * Call functions at the other side
      *
-	 * On any error function returns only boolean false. To handle error add listener to the
+     * On any error function returns only boolean false. To handle error add
-	 * "<eventPrefix>CallError" event.
+     * listener to the "<eventPrefix>CallError" event.
      *
      * @param array $functions Array of functions. See Mibew API for details.
-	 * @param boolean $async True for asynchronous requests and false for synchronous request
+     * @param boolean $async True for asynchronous requests and false for
+     *   synchronous request
      * @param mixed $callback callback array or null for synchronous requests.
      * @return mixed request result or boolean false on failure.
      */
-	public function call($functions, $async, $callback = null) {
+    public function call($functions, $async, $callback = null)
+    {
         // Get an instance of the \Mibew\EventDispatcher class
         $dispatcher = EventDispatcher::getInstance();
         // Try to call function at Other side
@@ -279,7 +290,8 @@ abstract class Processor {
             }
 
             // Create request
-// TODO: evaluate a possibility of using more secure method of the generation of token
+            // TODO: evaluate a possibility of using more secure method of the
+            // generation of token
             $token = md5(microtime() . rand());
             $request = array(
                 'token' => $token,
@@ -317,8 +329,10 @@ abstract class Processor {
             // Trigger error event
             $vars = array('exception' => $e);
             $dispatcher->triggerEvent($this->eventPrefix . "CallError", $vars);
+
             return false;
         }
+
         return $result;
     }
 
@@ -326,12 +340,13 @@ abstract class Processor {
      * Process request
      *
      * @param array $request 'Requests' array. See Mibew API for details.
-	 * @param mixed $result_function Control existance of the 'result' function in request.
+     * @param mixed $result_function Control existance of the 'result' function
-	 * Use boolean true if 'result' function must exists in request, boolean false if must not
+     *   in request. Use boolean true if 'result' function must exists in
-	 * and null if it doesn't matter.
+     *   request, boolean false if must not and null if it doesn't matter.
      * @return array Array of requests results.
      */
-	protected function processRequest($request, $result_function = null) {
+    protected function processRequest($request, $result_function = null)
+    {
         $context = new \Mibew\API\ExecutionContext();
 
         // Get result functions
@@ -356,6 +371,7 @@ abstract class Processor {
                     break;
                 }
             }
+
             return $context->getResults();
         } else {
             // Return result
@@ -368,16 +384,18 @@ abstract class Processor {
      *
      * @param array $function 'Function' array. See Mibew API for details
      * @param \Mibew\API\ExecutionContext &$context Execution context
-	 * @return boolean lase if function returns errorCode and errorCode differs from 0.
+     * @return boolean lase if function returns errorCode and errorCode differs
+     *   from 0.
      */
-	protected function processFunction($function, \Mibew\API\ExecutionContext &$context) {
+    protected function processFunction($function, \Mibew\API\ExecutionContext &$context)
+    {
         // Get function arguments with replaced references
         $arguments = $context->getArgumentsList($function);
 
         $call_vars = array(
             'function' => $function['function'],
             'arguments' => $arguments,
-			'results' => array()
+            'results' => array(),
         );
 
         // Call processor function
@@ -401,25 +419,30 @@ abstract class Processor {
      * Stores callback function
      *
      * Callback is an associative array with following keys
-	 *  - 'function': function name to call
+     *  - 'function': function name to call.
-	 *  - 'arguments': additional arguments, that passed to the callback function
+     *  - 'arguments': additional arguments, that passed to the callback
+     *    function.
      *
      * @param string $token Request token
      * @param array $callback Callback function array
      * @todo Create some unit tests
      */
-	protected function saveCallback($token, $callback) {
+    protected function saveCallback($token, $callback)
+    {
         $db = Database::getInstance();
+
+        $query = "INSERT INTO {requestcallback} ( "
+            . "token, function, arguments "
+            . ") VALUES ( "
+            . ":token, :function, :arguments"
+            . ")";
+
         $db->query(
-			"INSERT INTO {requestcallback} ( ".
+            $query,
-				"token, function, arguments ".
-			") VALUES ( " .
-				":token, :function, :arguments" .
-			")",
             array(
                 ':token' => $token,
                 ':function' => $callback['function'],
-				':arguments' => serialize($callback['arguments'])
+                ':arguments' => serialize($callback['arguments']),
             )
         );
     }
@@ -428,14 +451,17 @@ abstract class Processor {
      * Loads callback function
      *
      * Callback is an associative array with following keys
-	 *  - 'function': function name to call
+     *  - 'function': function name to call.
-	 *  - 'arguments': additional arguments, that passed to the callback function
+     *  - 'arguments': additional arguments, that passed to the callback
+     *    function.
      *
      * @param string $token Token of the request related to callback function
-	 * @return mixed callback function array or null if callback function not exists
+     * @return mixed callback function array or null if callback function not
+     *   exists
      * @todo Create some unit tests
      */
-	protected function loadCallback($token) {
+    protected function loadCallback($token)
+    {
         $db = Database::getInstance();
         $callback = $db->query(
             "SELECT * FROM {requestcallback} WHERE token = :token",
@@ -445,22 +471,26 @@ abstract class Processor {
         if (!$callback) {
             return null;
         }
+
         return array(
             'function' => $callback['function'],
-			'arguments' => unserialize($callback['arguments'])
+            'arguments' => unserialize($callback['arguments']),
         );
     }
 
     /**
-	 * Dispatcher of the functions, provided by the RequestProcessor (or inherited) classes as an external API.
+     * Dispatcher of the functions, provided by the RequestProcessor
+     * (or inherited) classes as an external API.
      *
      * All API methods names starts with 'api' prefix.
      * It calls before '<eventPrefix>FunctionCall' event triggers.
      *
-	 * @param array &$func Function array equals to array, passed to the '<eventPrefix>FunctionCall' event.
+     * @param array &$func Function array equals to array, passed to the
+     *   '<eventPrefix>FunctionCall' event.
      * @todo Create some unit tests
      */
-	protected function processorCall(&$func) {
+    protected function processorCall(&$func)
+    {
         $method_name = 'api' . ucfirst($func['function']);
         if (is_callable(array($this, $method_name))) {
             try {
@@ -468,7 +498,7 @@ abstract class Processor {
             } catch (ProcessorException $e) {
                 $func['results'] = array(
                     'errorCode' => $e->getCode(),
-					'errorMessage' => $e->getMessage()
+                    'errorMessage' => $e->getMessage(),
                 );
             }
         }
@@ -480,7 +510,8 @@ abstract class Processor {
      * @param array $request The 'request' array. See Mibew API for details
      * @return mixed response array or boolean false on failure
      */
-	protected function sendSyncRequest($request) {
+    protected function sendSyncRequest($request)
+    {
         trigger_error('Method sendSyncRequest does not implement!', E_USER_WARNING);
     }
 
@@ -490,25 +521,30 @@ abstract class Processor {
      * @param array $request The 'request' array. See Mibew API for details
      * @return boolean true on success or false on failure
      */
-	protected function sendAsyncRequest($request) {
+    protected function sendAsyncRequest($request)
+    {
         trigger_error('Method sendAsyncRequest does not implement!', E_USER_WARNING);
     }
 
     /**
      * Sends synchronous responses
      *
-	 * @param array $responses An array of the 'Request' arrays. See Mibew API for details
+     * @param array $responses An array of the 'Request' arrays. See Mibew API
+     *   for details
      */
-	protected function sendSyncResponses($responses) {
+    protected function sendSyncResponses($responses)
+    {
         trigger_error('Method sendSyncResponses does not implement!', E_USER_WARNING);
     }
 
     /**
      * Sends asynchronous responses
      *
-	 * @param array $responses An array of the 'Request' arrays. See Mibew API for details
+     * @param array $responses An array of the 'Request' arrays. See Mibew API
+     *   for details
      */
-	protected function sendAsyncResponses($responses) {
+    protected function sendAsyncResponses($responses)
+    {
         trigger_error('Method sendAsyncResponses does not implement!', E_USER_WARNING);
     }
 
@@ -519,14 +555,14 @@ abstract class Processor {
      *
      * @param Array $function A Function array
      */
-	protected function checkFunction($function) {}
+    protected function checkFunction($function)
+    {
+    }
 
     /**
      * Creates and returns an instance of the \Mibew\API\API class.
      *
      * @return \Mibew\API\API
      */
-	protected abstract function getMibewAPIInstance();
+    abstract protected function getMibewAPIInstance();
 }
-
-?>

src/mibew/libs/classes/Mibew/RequestProcessor/ThreadProcessor.php

@@ -39,22 +39,26 @@ use Mibew\RequestProcessor\Exception\ThreadProcessorException;
  *
  * Implements Singleton pattern
  */
-class ThreadProcessor extends ClientSideProcessor {
+class ThreadProcessor extends ClientSideProcessor
-
+{
     /**
      * An instance of the ThreadProcessor class
+     *
      * @var \Mibew\RequestProcessor\ThreadProcessor
      */
     protected static $instance = null;
 
     /**
      * Return an instance of the ThreadProcessor class.
+     *
      * @return \Mibew\RequestProcessor\ThreadProcessor
      */
-	public static function getInstance() {
+    public static function getInstance()
+    {
         if (is_null(self::$instance)) {
             self::$instance = new self();
         }
+
         return self::$instance;
     }
 
@@ -66,7 +70,8 @@ class ThreadProcessor extends ClientSideProcessor {
      * @return \Mibew\Thread
      * @throws \Mibew\RequestProcessor\ThreadProcessorException
      */
-	public static function getThread($thread_id, $last_token) {
+    public static function getThread($thread_id, $last_token)
+    {
         // Load thread
         $thread = Thread::load($thread_id, $last_token);
         // Check thread
@@ -76,6 +81,7 @@ class ThreadProcessor extends ClientSideProcessor {
                 ThreadProcessorException::ERROR_WRONG_THREAD
             );
         }
+
         // Return thread
         return $thread;
     }
@@ -87,7 +93,8 @@ class ThreadProcessor extends ClientSideProcessor {
      * @param array $vars Array of arguments names that must be checked
      * @throws \Mibew\RequestProcessor\ThreadProcessorException
      */
-	public static function checkParams($args, $vars) {
+    public static function checkParams($args, $vars)
+    {
         if (empty($vars)) {
             return;
         }
@@ -109,27 +116,31 @@ class ThreadProcessor extends ClientSideProcessor {
      * @throws \Mibew\RequestProcessor\ThreadProcessorException If operator is
      *   not logged in.
      */
-	public static function checkOperator() {
+    public static function checkOperator()
+    {
         $operator = get_logged_in();
         if (!$operator) {
             throw new ThreadProcessorException(
-				"Operator not logged in!",
+                "Operator is not logged in!",
                 ThreadProcessorException::ERROR_AGENT_NOT_LOGGED_IN
             );
         }
+
         return $operator;
     }
 
     /**
      * Class constructor
      *
-	 * Do not use directly __construct method! Use ThreadProcessor::getInstance() instead!
+     * Do not use directly __construct method! Use
+     * \Mibew\RequestProcessor\ThreadProcessor::getInstance() instead!
      */
-	public function __construct() {
+    public function __construct()
+    {
         parent::__construct(array(
             'signature' => '',
             'trusted_signatures' => array(''),
-			'event_prefix' => 'thread'
+            'event_prefix' => 'thread',
         ));
     }
 
@@ -138,7 +149,8 @@ class ThreadProcessor extends ClientSideProcessor {
      *
      * @return \Mibew\API\API
      */
-	protected function getMibewAPIInstance() {
+    protected function getMibewAPIInstance()
+    {
         return MibewAPI::getAPI('\\Mibew\\API\\Interaction\\ChatInteraction');
     }
 
@@ -148,7 +160,8 @@ class ThreadProcessor extends ClientSideProcessor {
      * @param array $request The 'request' array. See Mibew API for details
      * @return boolean true on success or false on failure
      */
-	protected function sendAsyncRequest($request) {
+    protected function sendAsyncRequest($request)
+    {
         // Define empty thread id and thread token
         $thread_id = null;
         $token = null;
@@ -162,8 +175,9 @@ class ThreadProcessor extends ClientSideProcessor {
                 continue;
             }
             // Check thread id and thread token for the remaining functions
-			if ($thread_id != $function['arguments']['threadId']
+            $wrong_thread_id = $thread_id != $function['arguments']['threadId'];
-				|| $token != $function['arguments']['token']) {
+            $wrong_token = $token != $function['arguments']['token'];
+            if ($wrong_thread_id || $wrong_token) {
                 throw new ThreadProcessorException(
                     'Various thread id or thread token in different functions in one package!',
                     ThreadProcessorException::VARIOUS_THREAD_ID
@@ -184,6 +198,7 @@ class ThreadProcessor extends ClientSideProcessor {
         if ($recipient == 'user' || $recipient == 'both') {
             $this->addRequestToBuffer('thread_user_' . $thread_id, $request);
         }
+
         return true;
     }
 
@@ -192,19 +207,18 @@ class ThreadProcessor extends ClientSideProcessor {
      *
      * @param Array $function A Function array
      */
-	protected function checkFunction($function) {
+    protected function checkFunction($function)
+    {
         // Check recipient argument existance
         if (!array_key_exists('recipient', $function['arguments'])) {
             throw new ThreadProcessorException(
-				"'recipient' argument is not set in function '{function['function]}'!",
+                "'recipient' argument is not set in function '{$function['function']}'!",
                 ThreadProcessorException::EMPTY_RECIPIENT
             );
         }
         $recipient = $function['arguments']['recipient'];
         // Check recipient value
-		if ($recipient != 'agent'
+        if ($recipient != 'agent' && $recipient != 'both' && $recipient != 'user') {
-			&& $recipient != 'both'
-			&& $recipient != 'user') {
             throw new ThreadProcessorException(
                 "Wrong recipient value '{$recipient}'! It should be one of 'agent', 'user', 'both'",
                 ThreadProcessorException::WRONG_RECIPIENT_VALUE
@@ -216,17 +230,21 @@ class ThreadProcessor extends ClientSideProcessor {
      * Update chat window state. API function
      *
      * Call periodically by chat window
-	 * @param array $args Associative array of arguments. It must contains following keys:
+     * @param array $args Associative array of arguments. It must contains
+     *   following keys:
      *    - 'threadId': Id of the thread related to chat window
      *    - 'token': last thread token
      *    - 'user': TRUE if window used by user and FALSE otherwise
      *    - 'typed': indicates if user(or agent) typed
      *    - 'lastId': id of the last sent to message
      * @return array Array of results. It contains following keys:
-	 *  - 'typing': indicates if another side of the conversation is typing message
+     *    - 'typing': indicates if another side of the conversation is typing
-	 *  - 'canPost': indicates if agent(user can post message all the time) can post the message
+     *      message
+     *    - 'canPost': indicates if agent(user can post message all the time)
+     *      can post the message
      */
-	protected function apiUpdate($args) {
+    protected function apiUpdate($args)
+    {
         // Load thread
         $thread = self::getThread($args['threadId'], $args['token']);
 
@@ -260,28 +278,32 @@ class ThreadProcessor extends ClientSideProcessor {
 
         // Get status values
         if ($args['user']) {
-			$is_typing = abs($thread->lastPingAgent - time()) < Thread::CONNECTION_TIMEOUT && $thread->agentTyping;
+            $is_typing = abs($thread->lastPingAgent - time()) < Thread::CONNECTION_TIMEOUT
+                && $thread->agentTyping;
         } else {
-			$is_typing = abs($thread->lastPingUser - time()) < Thread::CONNECTION_TIMEOUT && $thread->userTyping;
+            $is_typing = abs($thread->lastPingUser - time()) < Thread::CONNECTION_TIMEOUT
+                && $thread->userTyping;
         }
         $can_post = $args['user'] || $operator['operatorid'] == $thread->agentId;
 
         return array(
             'typing' => $is_typing,
-			'canPost' => $can_post
+            'canPost' => $can_post,
         );
     }
 
     /**
      * Send new messages to window. API function
      *
-	 * @param array $args Associative array of arguments. It must contains following keys:
+     * @param array $args Associative array of arguments. It must contains the
+     *   following keys:
      *    - 'threadId': Id of the thread related to chat window
      *    - 'token': last thread token
      *    - 'user': TRUE if window used by user and FALSE otherwise
      *    - 'lastId': last sent message id
      */
-	protected function apiUpdateMessages($args) {
+    protected function apiUpdateMessages($args)
+    {
         // Load thread
         $thread = self::getThread($args['threadId'], $args['token']);
 
@@ -302,21 +324,23 @@ class ThreadProcessor extends ClientSideProcessor {
 
         return array(
             'messages' => $messages,
-			'lastId' => $last_message_id
+            'lastId' => $last_message_id,
         );
     }
 
     /**
      * Post message to thread. API function
      *
-	 * @param array $args Associative array of arguments. It must contains following keys:
+     * @param array $args Associative array of arguments. It must contains the
+     *   following keys:
      *    - 'threadId': Id of the thread related to chat window
      *    - 'token': last thread token
      *    - 'user': TRUE if window used by user and FALSE otherwise
      *    - 'message': posted message
      * @throws ThreadProcessorException
      */
-	protected function apiPost($args) {
+    protected function apiPost($args)
+    {
         // Load thread
         $thread = self::getThread($args['threadId'], $args['token']);
 
@@ -330,7 +354,10 @@ class ThreadProcessor extends ClientSideProcessor {
 
         // Check message can be sent
         if (!$args['user'] && $operator['operatorid'] != $thread->agentId) {
-			throw new ThreadProcessorException("Cannot send", ThreadProcessorException::ERROR_CANNOT_SEND);
+            throw new ThreadProcessorException(
+                "Cannot send",
+                ThreadProcessorException::ERROR_CANNOT_SEND
+            );
         }
 
         // Set fields
@@ -340,7 +367,7 @@ class ThreadProcessor extends ClientSideProcessor {
         } else {
             $msg_options = array(
                 'name' => $thread->agentName,
-				'operator_id' => $operator['operatorid']
+                'operator_id' => $operator['operatorid'],
             );
         }
 
@@ -357,13 +384,15 @@ class ThreadProcessor extends ClientSideProcessor {
     /**
      * Rename user in the chat. API function
      *
-	 * @param array $args Associative array of arguments. It must contains following keys:
+     * @param array $args Associative array of arguments. It must contains the
+     *   following keys:
      *    - 'threadId': Id of the thread related to chat window
      *    - 'token': last thread token
      *    - 'name': new user name
      * @throws \Mibew\RequestProcessor\ThreadProcessorException
      */
-	protected function apiRename($args) {
+    protected function apiRename($args)
+    {
         // Check rename possibility
         if (Settings::get('usercanchangename') != "1") {
             throw new ThreadProcessorException(
@@ -388,14 +417,16 @@ class ThreadProcessor extends ClientSideProcessor {
     /**
      * Close chat thread. API function
      *
-	 * @param array $args Associative array of arguments. It must contains following keys:
+     * @param array $args Associative array of arguments. It must contains the
+     *   following keys:
      *    - 'threadId': Id of the thread related to chat window
      *    - 'token': last thread token
      *    - 'user': TRUE if window used by user and FALSE otherwise
      * @return array Array of results. It contains following keys:
      *    - 'closed': indicates if thread can be closed
      */
-	protected function apiClose($args) {
+    protected function apiClose($args)
+    {
         // Load thread and check thread's last token
         $thread = self::getThread($args['threadId'], $args['token']);
 
@@ -413,14 +444,14 @@ class ThreadProcessor extends ClientSideProcessor {
         }
 
         return array(
-			'closed' => true
+            'closed' => true,
         );
     }
 
     /**
      * Process submitted prechat survey.
      *
-	 * @param array $args Associative array of arguments. It must contains
+     * @param array $args Associative array of arguments. It must contains the
      *   following keys:
      *    - 'threadId': for this function this param equals to null;
      *    - 'token': for this function this param equals to null;
@@ -434,8 +465,8 @@ class ThreadProcessor extends ClientSideProcessor {
      *    - 'next': string, indicates what module run next;
      *    - 'options': options array for next module.
      */
-	protected function apiProcessSurvey($args) {
+    protected function apiProcessSurvey($args)
-
+    {
         $visitor = visitor_from_request();
 
         // Get form values
@@ -446,7 +477,7 @@ class ThreadProcessor extends ClientSideProcessor {
 
         // Verify group id
         $group_id = '';
-		$group = NULL;
+        $group = null;
         if (Settings::get('enablegroups') == '1') {
             if (preg_match("/^\d{1,8}$/", $args['groupId']) != 0) {
                 $group = group_by_id($args['groupId']);
@@ -481,9 +512,10 @@ class ThreadProcessor extends ClientSideProcessor {
             );
             $options = $client_data['leaveMessage'];
             $options['page'] += setup_logo($group);
+
             return array(
                 'next' => 'leaveMessage',
-				'options' => $options
+                'options' => $options,
             );
         }
 
@@ -522,7 +554,7 @@ class ThreadProcessor extends ClientSideProcessor {
 
         return array(
             'next' => 'chat',
-			'options' => $options
+            'options' => $options,
         );
     }
 
@@ -530,7 +562,7 @@ class ThreadProcessor extends ClientSideProcessor {
      * Process submitted leave message form.
      *
      * Send message to operator email and create special meil thread.
-	 * @param array $args Associative array of arguments. It must contains
+     * @param array $args Associative array of arguments. It must contains the
      *   following keys:
      *    - 'threadId': for this function this param equals to null;
      *    - 'token': for this function this param equals to null;
@@ -545,7 +577,8 @@ class ThreadProcessor extends ClientSideProcessor {
      * @throws \Mibew\RequestProcessor\ThreadProcessorException Can throw an
      *   exception if captcha or email is wrong.
      */
-	protected function apiProcessLeaveMessage($args) {
+    protected function apiProcessLeaveMessage($args)
+    {
         // Check captcha
         if (Settings::get('enablecaptcha') == '1' && can_show_captcha()) {
             $captcha = $args['captcha'];
@@ -641,7 +674,8 @@ class ThreadProcessor extends ClientSideProcessor {
         // Send email
         if ($inbox_mail) {
             // Prepare message to send by email
-			$subject = getstring2_("leavemail.subject",
+            $subject = getstring2_(
+                "leavemail.subject",
                 array($args['name']),
                 $message_locale
             );
@@ -661,5 +695,3 @@ class ThreadProcessor extends ClientSideProcessor {
         }
     }
 }
-
-?>

src/mibew/libs/classes/Mibew/RequestProcessor/UsersProcessor.php

@@ -41,22 +41,26 @@ use Mibew\RequestProcessor\Exception\UsersProcessorException;
  *
  * Implements Singleton pattern
  */
-class UsersProcessor extends ClientSideProcessor {
+class UsersProcessor extends ClientSideProcessor
-
+{
     /**
      * An instance of the UsersProcessor class
+     *
      * @var \Mibew\RequestProcessor\UsersProcessor
      */
     protected static $instance = null;
 
     /**
      * Return an instance of the UsersProcessor class.
+     *
      * @return \Mibew\RequestProcessor\UsersProcessor
      */
-	public static function getInstance() {
+    public static function getInstance()
+    {
         if (is_null(self::$instance)) {
             self::$instance = new self();
         }
+
         return self::$instance;
     }
 
@@ -65,9 +69,11 @@ class UsersProcessor extends ClientSideProcessor {
      *
      * Do not use directly __construct method! Use
      * \Mibew\RequestProcessor\UsersProcessor::getInstance() instead!
+     *
      * @todo Think about why the method is not protected
      */
-	public function __construct() {
+    public function __construct()
+    {
         parent::__construct(array(
             'signature' => '',
             'trusted_signatures' => array(''),
@@ -80,7 +86,8 @@ class UsersProcessor extends ClientSideProcessor {
      *
      * @return \Mibew\API\API
      */
-	protected function getMibewAPIInstance() {
+    protected function getMibewAPIInstance()
+    {
         return MibewAPI::getAPI('\\Mibew\\API\\Interaction\\UsersInteraction');
     }
 
@@ -90,7 +97,8 @@ class UsersProcessor extends ClientSideProcessor {
      * @param array $request The 'request' array. See Mibew API for details
      * @return boolean true on success or false on failure
      */
-	protected function sendAsyncRequest($request) {
+    protected function sendAsyncRequest($request)
+    {
         // Define empty agent id
         $agent_id = null;
         foreach ($request['functions'] as $function) {
@@ -109,19 +117,21 @@ class UsersProcessor extends ClientSideProcessor {
         }
         // Store request in buffer
         $this->addRequestToBuffer('users_' . $agent_id, $request);
+
         return true;
     }
 
     /**
-	 * Check operator id equals to $operatorId is current logged in operator
+     * Check operator id equals to $operator_id for current logged in operator
      *
-	 * @param int $operatorId Operator id to check
+     * @param int $operator_id Operator id to check
      * @return array Operators info array
      *
      * @throws UsersProcessorException If operators not logged in or if
-	 * $operatorId varies from current logged in operator.
+     *   $operator_id varies from current logged in operator.
      */
-	protected static function checkOperator($operatorId) {
+    protected static function checkOperator($operator_id)
+    {
         $operator = get_logged_in();
         if (!$operator) {
             throw new UsersProcessorException(
@@ -129,23 +139,25 @@ class UsersProcessor extends ClientSideProcessor {
                 UsersProcessorException::ERROR_AGENT_NOT_LOGGED_IN
             );
         }
-		if ($operatorId != $operator['operatorid']) {
+        if ($operator_id != $operator['operatorid']) {
             throw new UsersProcessorException(
-				"Wrong agent id: '{$operatorId}' instead of {$operator['operatorid']}",
+                "Wrong agent id: '{$operator_id}' instead of {$operator['operatorid']}",
                 UsersProcessorException::ERROR_WRONG_AGENT_ID
             );
         }
+
         return $operator;
     }
 
     /**
      * Mark operator as away. API function
      *
-	 * @param array $args Associative array of arguments. It must contains
+     * @param array $args Associative array of arguments. It must contains the
      *   following keys:
      *    - 'agentId': Id of the agent related to users window
      */
-	protected function apiAway($args) {
+    protected function apiAway($args)
+    {
         $operator = self::checkOperator($args['agentId']);
         notify_operator_alive($operator['operatorid'], 1);
     }
@@ -153,11 +165,12 @@ class UsersProcessor extends ClientSideProcessor {
     /**
      * Mark operator as available. API function
      *
-	 * @param array $args Associative array of arguments. It must contains
+     * @param array $args Associative array of arguments. It must contains the
      *   following keys:
      *    - 'agentId': Id of the agent related to users window
      */
-	protected function apiAvailable($args) {
+    protected function apiAvailable($args)
+    {
         $operator = self::checkOperator($args['agentId']);
         notify_operator_alive($operator['operatorid'], 0);
     }
@@ -165,53 +178,52 @@ class UsersProcessor extends ClientSideProcessor {
     /**
      * Return updated threads list. API function
      *
-	 * @param array $args Associative array of arguments. It must contains
+     * @param array $args Associative array of arguments. It must contains the
      *   following keys:
      *    - 'agentId': Id of the agent related to users window
      *    - 'revision': last revision number at client side
-	 * @return array Array of results. It contains following keys:
+     * @return array Array of results. It contains the following keys:
      *    - 'threads': array of threads changes
      */
-	protected function apiUpdateThreads($args) {
+    protected function apiUpdateThreads($args)
+    {
         $operator = self::checkOperator($args['agentId']);
 
         $since = $args['revision'];
         // Get operator groups
         if (!isset($_SESSION[SESSION_PREFIX . "operatorgroups"])) {
             $_SESSION[SESSION_PREFIX . "operatorgroups"]
-				= get_operator_groupslist($operator['operatorid']);
+                = get_operator_groups_list($operator['operatorid']);
         }
-		$groupids = $_SESSION[SESSION_PREFIX."operatorgroups"];
+        $group_ids = $_SESSION[SESSION_PREFIX . "operatorgroups"];
 
         $db = Database::getInstance();
-		$query = "select t.*, " .
+        $query = "SELECT t.*, "
-			" g.vclocalname as group_localname, " .
+                . " g.vclocalname AS group_localname, "
-			" g.vccommonname as group_commonname " .
+                . " g.vccommonname AS group_commonname "
-			" from {chatthread} t left outer join {chatgroup} g on " .
+            . " FROM {chatthread} t LEFT OUTER JOIN {chatgroup} g ON "
-			" t.groupid = g.groupid " .
+                . " t.groupid = g.groupid "
-			" where t.lrevision > :since " .
+            . " WHERE t.lrevision > :since "
-			" AND t.istate <> " . Thread::STATE_INVITED .
+                . " AND t.istate <> " . Thread::STATE_INVITED
-			($since == 0
+            . ($since == 0
                 // Select only active threads at first time when lrevision = 0
-				? " AND t.istate <> " . Thread::STATE_CLOSED .
+                ? " AND t.istate <> " . Thread::STATE_CLOSED
-					" AND t.istate <> " . Thread::STATE_LEFT
+                    . " AND t.istate <> " . Thread::STATE_LEFT
                 // Select all threads at when lrevision > 0. It provides the
                 // ability to update(and probably hide) closed threads at the
                 // clien side.
                 : ""
-			) .
+            )
-			(Settings::get('enablegroups') == '1'
+            . (Settings::get('enablegroups') == '1'
                 // If groups are enabled select only threads with empty groupid
                 // or groups related to current operator
-				? " AND (g.groupid is NULL" . ($groupids
+                ? " AND (g.groupid is NULL" . ($group_ids ? " OR g.groupid IN ($group_ids) OR g.groupid IN "
-					? " OR g.groupid IN ($groupids) OR g.groupid IN " .
+                    . "(SELECT parent FROM {chatgroup} "
-						"(SELECT parent FROM {chatgroup} " .
+                    . "WHERE groupid IN ($group_ids)) " : "")
-						"WHERE groupid IN ($groupids)) "
+                    . ") "
-					: "") .
-				") "
                 : ""
-			) .
+            )
-			" ORDER BY t.threadid";
+            . " ORDER BY t.threadid";
         $rows = $db->query(
             $query,
             array(':since' => $since),
@@ -243,7 +255,7 @@ class UsersProcessor extends ClientSideProcessor {
             if ($ban_info !== false) {
                 $ban = array(
                     'id' => $ban_info['banid'],
-					'reason' => $ban_info['comment']
+                    'reason' => $ban_info['comment'],
                 );
             } else {
                 $ban = false;
@@ -264,18 +276,18 @@ class UsersProcessor extends ClientSideProcessor {
             }
 
             // Get thread operartor name
-			$nextagent = $thread->nextAgent != 0
+            $next_agent = $thread->nextAgent != 0
                 ? operator_by_id($thread->nextAgent)
                 : false;
-			if ($nextagent) {
+            if ($next_agent) {
-				$agent_name = get_operator_name($nextagent);
+                $agent_name = get_operator_name($next_agent);
             } else {
                 if ($thread->agentName) {
                     $agent_name = $thread->agentName;
                 } else {
                     $group_name = get_group_name(array(
                         'vccommonname' => $row['group_commonname'],
-						'vclocalname' => $row['group_localname']
+                        'vclocalname' => $row['group_localname'],
                     ));
                     if ($group_name) {
                         $agent_name = '-' . $group_name . '-';
@@ -289,8 +301,7 @@ class UsersProcessor extends ClientSideProcessor {
             $first_message = null;
             if ($thread->shownMessageId != 0) {
                 $line = $db->query(
-					"select tmessage from {chatmessage} " .
+                    "SELECT tmessage FROM {chatmessage} WHERE messageid = ? LIMIT 1",
-						" where messageid = ? limit 1",
                     array($thread->shownMessageId),
                     array('return_rows' => Database::RETURN_ONE_ROW)
                 );
@@ -309,7 +320,7 @@ class UsersProcessor extends ClientSideProcessor {
                 'userName' => $user_name,
                 'userIp' => $user_ip,
                 'remote' => $thread->remote,
-				'userAgent' => get_useragent_version($thread->userAgent),
+                'userAgent' => get_user_agent_version($thread->userAgent),
                 'agentName' => $agent_name,
                 'canOpen' => $can_open,
                 'canView' => $can_view,
@@ -318,7 +329,7 @@ class UsersProcessor extends ClientSideProcessor {
                 'state' => $thread->state,
                 'totalTime' => $thread->created,
                 'waitingTime' => $thread->modified,
-				'firstMessage' => $first_message
+                'firstMessage' => $first_message,
             );
 
             // Get max revision
@@ -333,7 +344,7 @@ class UsersProcessor extends ClientSideProcessor {
         // Send results back to the client
         return array(
             'threads' => $threads,
-			'lastRevision' => $revision
+            'lastRevision' => $revision,
         );
     }
 
@@ -354,14 +365,15 @@ class UsersProcessor extends ClientSideProcessor {
      *     list. Associative array pass to event lister have following keys:
      *      - 'visitors': array of visitors arrays.
      *
-	 * @param array $args Associative array of arguments. It must contains
+     * @param array $args Associative array of arguments. It must contains the
      *   following keys:
      *    - 'agentId': Id of the agent related to users window
      *
-	 * @return array Array of results. It contains following keys:
+     * @return array Array of results. It contains the following keys:
      *  - 'visitors': array of visitors on the site
      */
-	protected function apiUpdateVisitors($args) {
+    protected function apiUpdateVisitors($args)
+    {
         // Check access
         self::checkOperator($args['agentId']);
 
@@ -385,25 +397,25 @@ class UsersProcessor extends ClientSideProcessor {
             // Load visitors list
             $db = Database::getInstance();
             // Load visitors
-			$query = "SELECT v.visitorid, " .
+            $query = "SELECT v.visitorid, "
-					"v.userid, " .
+                    . "v.userid, "
-					"v.username, " .
+                    . "v.username, "
-					"v.firsttime, " .
+                    . "v.firsttime, "
-					"v.lasttime, " .
+                    . "v.lasttime, "
-					"v.entry, " .
+                    . "v.entry, "
-					"v.details, " .
+                    . "v.details, "
-					"t.invitationstate, " .
+                    . "t.invitationstate, "
-					"t.dtmcreated AS invitationtime, " .
+                    . "t.dtmcreated AS invitationtime, "
-					"t.agentId AS invitedby, " .
+                    . "t.agentId AS invitedby, "
-					"v.invitations, " .
+                    . "v.invitations, "
-					"v.chats " .
+                    . "v.chats "
-				"FROM {chatsitevisitor} v " .
+                . "FROM {chatsitevisitor} v "
-					"LEFT OUTER JOIN {chatthread} t " .
+                    . "LEFT OUTER JOIN {chatthread} t "
-						"ON t.threadid = v.threadid " .
+                        . "ON t.threadid = v.threadid "
-				"WHERE v.threadid IS NULL " .
+                . "WHERE v.threadid IS NULL "
-					"OR (t.istate = :state_invited " .
+                    . "OR (t.istate = :state_invited "
-						"AND t.invitationstate = :invitation_wait)" .
+                        . "AND t.invitationstate = :invitation_wait)"
-				"ORDER BY t.invitationstate, v.lasttime DESC, v.invitations";
+                . "ORDER BY t.invitationstate, v.lasttime DESC, v.invitations";
             $query .= (Settings::get('visitors_limit') == '0')
                 ? ""
                 : " LIMIT " . Settings::get('visitors_limit');
@@ -412,7 +424,7 @@ class UsersProcessor extends ClientSideProcessor {
                 $query,
                 array(
                     ':state_invited' => Thread::STATE_INVITED,
-					':invitation_wait' => Thread::INVITATION_WAIT
+                    ':invitation_wait' => Thread::INVITATION_WAIT,
                 ),
                 array('return_rows' => Database::RETURN_ALL_ROWS)
             );
@@ -424,7 +436,7 @@ class UsersProcessor extends ClientSideProcessor {
                 $details = track_retrieve_details($row);
 
                 // Get user agent
-				$user_agent = get_useragent_version($details['user_agent']);
+                $user_agent = get_user_agent_version($details['user_agent']);
 
                 // Get user ip
                 if (preg_match("/(\\d+\\.\\d+\\.\\d+\\.\\d+)/", $details['remote_host'], $matches) != 0) {
@@ -441,7 +453,7 @@ class UsersProcessor extends ClientSideProcessor {
                     );
                     $invitation_info = array(
                         'time' => $row['invitationtime'],
-						'agentName' => $agent_name
+                        'agentName' => $agent_name,
                     );
                 } else {
                     $invitation_info = false;
@@ -459,7 +471,7 @@ class UsersProcessor extends ClientSideProcessor {
                     'lastTime' => $row['lasttime'],
                     'invitations' => (int) $row['invitations'],
                     'chats' => (int) $row['chats'],
-					'invitationInfo' => $invitation_info
+                    'invitationInfo' => $invitation_info,
                 );
             }
         } else {
@@ -468,26 +480,27 @@ class UsersProcessor extends ClientSideProcessor {
 
         // Provide ability to alter visitors list
         $arguments = array(
-			'visitors' => $visitors
+            'visitors' => $visitors,
         );
         $dispatcher->triggerEvent('usersUpdateVisitorsAlter', $arguments);
 
         return array(
-			'visitors' => $arguments['visitors']
+            'visitors' => $arguments['visitors'],
         );
     }
 
     /**
      * Return updated operators list. API function
      *
-	 * @param array $args Associative array of arguments. It must contains
+     * @param array $args Associative array of arguments. It must contains the
      *   following keys:
      *    - 'agentId': Id of the agent related to users window
      *
-	 * @return array Array of results. It contains following keys:
+     * @return array Array of results. It contains the following keys:
      *    - 'operators': array of online operators
      */
-	protected function apiUpdateOperators($args) {
+    protected function apiUpdateOperators($args)
+    {
         // Check access and get operators info
         $operator = self::checkOperator($args['agentId']);
 
@@ -527,7 +540,7 @@ class UsersProcessor extends ClientSideProcessor {
 
         // Send operators list to the client side
         return array(
-			'operators' => $result_list
+            'operators' => $result_list,
         );
     }
 
@@ -535,11 +548,12 @@ class UsersProcessor extends ClientSideProcessor {
      * Update chat window state. API function
      * Call periodically by chat window.
      *
-	 * @param array $args Associative array of arguments. It must contains
+     * @param array $args Associative array of arguments. It must contains the
      *   following keys:
      *    - 'agentId': Id of the agent related to users window
      */
-	protected function apiUpdate($args) {
+    protected function apiUpdate($args)
+    {
         // Check access and get operator array
         $operator = self::checkOperator($args['agentId']);
 
@@ -559,22 +573,21 @@ class UsersProcessor extends ClientSideProcessor {
     /**
      * Returns current server time. API function
      *
-	 * @param array $args Associative array of arguments. It must contains
+     * @param array $args Associative array of arguments. It must contains the
      *   following keys:
      *    - 'agentId': Id of the agent related to users window
      *
-	 * @return array Array of results. It contains following keys:
+     * @return array Array of results. It contains the following keys:
      *    - 'time': current server time
      */
-	protected function apiCurrentTime($args) {
+    protected function apiCurrentTime($args)
+    {
         // Check access
         self::checkOperator($args['agentId']);
 
         // Return time
         return array(
-			'time' => time()
+            'time' => time(),
         );
     }
 }
-
-?>

src/mibew/libs/classes/Mibew/Settings.php

@@ -20,41 +20,49 @@ namespace Mibew;
 /**
  * Encapsulates work with system settings.
  */
-Class Settings {
+class Settings
-
+{
     /**
      * An instance of Settings class
+     *
      * @var Settings
      */
     protected static $instance = null;
 
     /**
      * Array of settings
+     *
      * @var array
      */
     protected $settings = array();
 
     /**
      * Array of settings stored in database
+     *
      * @var array
      */
     protected $settingsInDb = array();
 
     /**
      * Returns an instance of Settings class
+     *
      * @return Settings
      */
-	protected static function getInstance(){
+    protected static function getInstance()
+    {
         if (self::$instance === null) {
             self::$instance = new self();
         }
+
         return self::$instance;
     }
 
     /**
-	 * Settings class constructor. Set default values and load setting from database.
+     * Settings class constructor. Set default values and load setting from
+     * database.
      */
-	protected function __construct() {
+    protected function __construct()
+    {
         // Set default values
         $this->settings = array(
             'dbversion' => 0,
@@ -72,11 +80,9 @@ Class Settings {
             'max_uploaded_file_size' => 100000,
             'max_connections_from_one_host' => 10,
             'thread_lifetime' => 600,
-
             'email' => '', /* inbox for left messages */
             'left_messages_locale' => HOME_LOCALE,
             'sendmessagekey' => 'center',
-
             'enableban' => '0',
             'enablessl' => '0',
             'forcessl' => '0',
@@ -92,33 +98,27 @@ Class Settings {
             'enablepopupnotification' => '0',
             'showonlineoperators' => '0',
             'enablecaptcha' => '0',
-
             'online_timeout' => 30, /* Timeout (in seconds) when online operator becomes offline */
             'updatefrequency_operator' => 2,
             'updatefrequency_chat' => 2,
-
             'statistics_aggregation_interval' => 24 * 60 * 60,
-
             'updatefrequency_tracking' => 10,
             'visitors_limit' => 20, /* Number of visitors to look over */
             'invitation_lifetime' => 60, /* Lifetime for invitation to chat */
             'tracking_lifetime' => 600, /* Time to store tracked old visitors' data */
-
             'cron_key' => DEFAULT_CRON_KEY,
-
             // System values are listed below. They cannot be changed via
             // administrative interface. Start names for these values from
             // underscore sign(_).
-
             // Unix timestamp when cron job ran last time.
-			'_last_cron_run' => 0
+            '_last_cron_run' => 0,
         );
 
         // Load values from database
         $db = Database::getInstance();
         $rows = $db->query(
-			"select vckey,vcvalue from {chatconfig}",
+            "SELECT vckey, vcvalue FROM {chatconfig}",
-			NULL,
+            null,
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
 
@@ -135,8 +135,10 @@ Class Settings {
      * @param string $name Variable's name
      * @return mixed
      */
-	public static function get($name) {
+    public static function get($name)
+    {
         $instance = self::getInstance();
+
         return $instance->settings[$name];
     }
 
@@ -146,7 +148,8 @@ Class Settings {
      * @param string $name Variables's name
      * @param mixed $value Variable's value
      */
-	public static function set($name, $value) {
+    public static function set($name, $value)
+    {
         $instance = self::getInstance();
         $instance->settings[$name] = $value;
     }
@@ -154,18 +157,19 @@ Class Settings {
     /**
      * Updates settings in database.
      */
-	public static function update() {
+    public static function update()
+    {
         $instance = self::getInstance();
         $db = Database::getInstance();
         foreach ($instance->settings as $key => $value) {
             if (!isset($instance->settingsInDb[$key])) {
                 $db->query(
-					"insert into {chatconfig} (vckey) values (?)",
+                    "INSERT INTO {chatconfig} (vckey) VALUES (?)",
                     array($key)
                 );
             }
             $db->query(
-				"update {chatconfig} set vcvalue=? where vckey=?",
+                "UPDATE {chatconfig} SET vcvalue=? WHERE vckey=?",
                 array($value, $key)
             );
         }
@@ -174,7 +178,7 @@ Class Settings {
     /**
      * Implementation of destructor
      */
-	public function __destruct() {}
+    public function __destruct()
+    {
+    }
 }
-
-?>

src/mibew/libs/classes/Mibew/Style/ChatStyle.php

@@ -24,10 +24,11 @@ use Mibew\TemplateEngine\ChatTemplateEngine;
 /**
  * Represents a chat style
  */
-class ChatStyle extends Style implements StyleInterface {
+class ChatStyle extends Style implements StyleInterface
-
+{
     /**
      * Template engine for chat templates.
+     *
      * @var \Mibew\TemplateEngine\ChatTemplateEngine
      */
     protected $templateEngine;
@@ -37,7 +38,8 @@ class ChatStyle extends Style implements StyleInterface {
      *
      * @param string $style_name Name of the style
      */
-	public function __construct($style_name) {
+    public function __construct($style_name)
+    {
         parent::__construct($style_name);
 
         $this->templateEngine = new ChatTemplateEngine(
@@ -46,14 +48,14 @@ class ChatStyle extends Style implements StyleInterface {
         );
     }
 
-
     /**
      * Builds base path for style files. This path is relative Mibew root and
      * does not contain neither leading nor trailing slash.
      *
      * @return string Base path for style files
      */
-	public function filesPath() {
+    public function filesPath()
+    {
         return 'styles/dialogs/' . $this->name();
     }
 
@@ -65,7 +67,8 @@ class ChatStyle extends Style implements StyleInterface {
      * @param array $data Associative array of values that should be used for
      *   substitutions in a template.
      */
-	public function render($template_name, $data = array()) {
+    public function render($template_name, $data = array())
+    {
         start_html_output();
         echo($this->templateEngine->render($template_name, $data));
     }
@@ -79,9 +82,10 @@ class ChatStyle extends Style implements StyleInterface {
      * @return string Name of a style
      * @throws \RuntimeException
      */
-	public static function currentStyle() {
+    public static function currentStyle()
+    {
         // Ceck if request contains chat style
-		$style_name = verifyparam("style", "/^\w+$/", "");
+        $style_name = verify_param("style", "/^\w+$/", "");
         if (!$style_name) {
             // Use the default style
             $style_name = self::defaultStyle();
@@ -110,7 +114,8 @@ class ChatStyle extends Style implements StyleInterface {
      *
      * @return string Name of a style
      */
-	public static function defaultStyle() {
+    public static function defaultStyle()
+    {
         // Load value from system settings
         return Settings::get('chat_style');
     }
@@ -120,7 +125,8 @@ class ChatStyle extends Style implements StyleInterface {
      *
      * @param string $style_name Name of a style
      */
-	public static function setDefaultStyle($style_name) {
+    public static function setDefaultStyle($style_name)
+    {
         Settings::set('chat_style', $style_name);
         Settings::update();
     }
@@ -130,7 +136,8 @@ class ChatStyle extends Style implements StyleInterface {
      *
      * @param array List of styles names
      */
-	public static function availableStyles() {
+    public static function availableStyles()
+    {
         $styles_root = MIBEW_FS_ROOT . '/styles/dialogs';
 
         return self::getStyleList($styles_root);
@@ -142,28 +149,27 @@ class ChatStyle extends Style implements StyleInterface {
      *
      * @return array Default configurations of the style
      */
-	protected function defaultConfigurations() {
+    protected function defaultConfigurations()
+    {
         return array(
             'history' => array(
-				'window_params' => ''
+                'window_params' => '',
             ),
             'users' => array(
                 'thread_tag' => 'div',
-				'visitor_tag' => 'div'
+                'visitor_tag' => 'div',
             ),
             'tracked' => array(
                 'user_window_params' => '',
-				'visitor_window_params' => ''
+                'visitor_window_params' => '',
             ),
             'invitation' => array(
-				'window_params' => ''
+                'window_params' => '',
             ),
             'ban' => array(
-				'window_params' => ''
+                'window_params' => '',
             ),
-			'screenshots' => array()
+            'screenshots' => array(),
         );
     }
 }
-
-?>

src/mibew/libs/classes/Mibew/Style/InvitationStyle.php

@@ -23,14 +23,16 @@ use Mibew\Settings;
 /**
  * Represents a style for invitations
  */
-class InvitationStyle extends Style implements StyleInterface {
+class InvitationStyle extends Style implements StyleInterface
+{
     /**
      * Builds base path for style files. This path is relative Mibew root and
      * does not contain neither leading nor trailing slash.
      *
      * @return string Base path for style files
      */
-	public function filesPath() {
+    public function filesPath()
+    {
         return 'styles/invitations/' . $this->name();
     }
 
@@ -39,7 +41,8 @@ class InvitationStyle extends Style implements StyleInterface {
      *
      * @return array Style configurations
      */
-	public function configurations() {
+    public function configurations()
+    {
         return array();
     }
 
@@ -49,8 +52,9 @@ class InvitationStyle extends Style implements StyleInterface {
      * The method does not contain actual code because inviation styles are not
      * renderable now.
      */
-	public function render($template_name, $data = array()) {
+    public function render($template_name, $data = array())
-		return FALSE;
+    {
+        return false;
     }
 
     /**
@@ -61,7 +65,8 @@ class InvitationStyle extends Style implements StyleInterface {
      *
      * @return string Name of a style
      */
-	public static function currentStyle() {
+    public static function currentStyle()
+    {
         // Just use the default style
         return self::defaultStyle();
     }
@@ -71,7 +76,8 @@ class InvitationStyle extends Style implements StyleInterface {
      *
      * @return string Name of a style
      */
-	public static function defaultStyle() {
+    public static function defaultStyle()
+    {
         // Load value from system settings
         return Settings::get('invitation_style');
     }
@@ -81,7 +87,8 @@ class InvitationStyle extends Style implements StyleInterface {
      *
      * @param string $style_name Name of a style
      */
-	public static function setDefaultStyle($style_name) {
+    public static function setDefaultStyle($style_name)
+    {
         Settings::set('invitation_style', $style_name);
         Settings::update();
     }
@@ -91,7 +98,8 @@ class InvitationStyle extends Style implements StyleInterface {
      *
      * @param array List of styles names
      */
-	public static function availableStyles() {
+    public static function availableStyles()
+    {
         $styles_root = MIBEW_FS_ROOT . '/styles/invitations';
 
         return self::getStyleList($styles_root);
@@ -103,9 +111,8 @@ class InvitationStyle extends Style implements StyleInterface {
      *
      * @return array Default configurations of the style
      */
-	protected function defaultConfigurations() {
+    protected function defaultConfigurations()
+    {
         return array();
     }
 }
-
-?>

src/mibew/libs/classes/Mibew/Style/PageStyle.php

@@ -23,14 +23,16 @@ use Mibew\Settings;
 /**
  * Represents a style for operator pages
  */
-class PageStyle extends Style implements StyleInterface {
+class PageStyle extends Style implements StyleInterface
+{
     /**
      * Builds base path for style files. This path is relative Mibew root and
      * does not contain neither leading nor trailing slash.
      *
      * @return string Base path for style files
      */
-	public function filesPath() {
+    public function filesPath()
+    {
         return 'styles/pages/' . $this->name();
     }
 
@@ -42,7 +44,8 @@ class PageStyle extends Style implements StyleInterface {
      * @param array $data Associative array of values that should be used for
      *   substitutions in a template.
      */
-	public function render($template_name, $data = array()) {
+    public function render($template_name, $data = array())
+    {
         // Add template root value to page variables
         $page['stylepath'] = MIBEW_WEB_ROOT . '/' . $this->filesPath();
 
@@ -51,8 +54,8 @@ class PageStyle extends Style implements StyleInterface {
 
         // Build full view name. Remove '\' and '/' characters form the
         // specified view name
-		$full_view_name = MIBEW_FS_ROOT . '/' . $this->filesPath() . '/views/' .
+        $full_view_name = MIBEW_FS_ROOT . '/' . $this->filesPath() . '/views/'
-			str_replace("/\\", '', $template_name) . '.php';
+            . str_replace("/\\", '', $template_name) . '.php';
 
         // $page variable is used in included views files, so we need to create
         // it as an alias of $data argument.
@@ -70,7 +73,8 @@ class PageStyle extends Style implements StyleInterface {
      *
      * @return string Name of a style
      */
-	public static function currentStyle() {
+    public static function currentStyle()
+    {
         // Just use the default style
         return self::defaultStyle();
     }
@@ -80,7 +84,8 @@ class PageStyle extends Style implements StyleInterface {
      *
      * @return string Name of a style
      */
-	public static function defaultStyle() {
+    public static function defaultStyle()
+    {
         // Load value from system settings
         return Settings::get('page_style');
     }
@@ -90,7 +95,8 @@ class PageStyle extends Style implements StyleInterface {
      *
      * @param string $style_name Name of a style
      */
-	public static function setDefaultStyle($style_name) {
+    public static function setDefaultStyle($style_name)
+    {
         Settings::set('page_style', $style_name);
         Settings::update();
     }
@@ -100,7 +106,8 @@ class PageStyle extends Style implements StyleInterface {
      *
      * @param array List of styles names
      */
-	public static function availableStyles() {
+    public static function availableStyles()
+    {
         $styles_root = MIBEW_FS_ROOT . '/styles/pages';
 
         return self::getStyleList($styles_root);
@@ -112,7 +119,8 @@ class PageStyle extends Style implements StyleInterface {
      *
      * @return array Default configurations of the style
      */
-	protected function defaultConfigurations() {
+    protected function defaultConfigurations()
+    {
         return array(
             'chat' => array(
                 'window_params' => ''
@@ -120,9 +128,7 @@ class PageStyle extends Style implements StyleInterface {
             'mail' => array(
                 'window_params' => ''
             ),
-			'screenshots' => array()
+            'screenshots' => array(),
         );
     }
 }
-
-?>

src/mibew/libs/classes/Mibew/Style/Style.php

@@ -20,15 +20,18 @@ namespace Mibew\Style;
 /**
  * Base class for styles
  */
-abstract class Style {
+abstract class Style
+{
     /**
      * Styles configuration array or NULL by default
+     *
      * @var array|NULL
      */
-	protected $cachedConfigurations = NULL;
+    protected $cachedConfigurations = null;
 
     /**
      * This value is used to store name of a style
+     *
      * @var string
      */
     protected $styleName;
@@ -36,6 +39,7 @@ abstract class Style {
     /**
      * Contains cached results of the \Mibew\Style\StyleInterface::getStyleList
      * method. The lists are keyed by the $root_dir argument of the method.
+     *
      * @var array
      * @see \Mibew\Style\StyleInterface::getStyleList
      */
@@ -46,7 +50,8 @@ abstract class Style {
      *
      * @param string $style_name Name of the style
      */
-	public function __construct($style_name) {
+    public function __construct($style_name)
+    {
         $this->styleName = $style_name;
     }
 
@@ -55,7 +60,8 @@ abstract class Style {
      *
      * @return string Name of the style
      */
-	public function name() {
+    public function name()
+    {
         return $this->styleName;
     }
 
@@ -66,7 +72,8 @@ abstract class Style {
      * @return array Style configurations
      * @throws \RuntimeException
      */
-	public function configurations() {
+    public function configurations()
+    {
         $config_file = MIBEW_FS_ROOT . '/' . $this->filesPath() . '/config.ini';
 
         // Check if configurations already loaded. Do not do the job twice.
@@ -89,13 +96,22 @@ abstract class Style {
         return $this->cachedConfigurations;
     }
 
+    /**
+     * Builds base path for style files. This path is relative Mibew root and
+     * does not contain neither leading nor trailing slash.
+     *
+     * @return string Base path for style files
+     */
+    abstract public function filesPath();
+
     /**
      * Gets names of styles which are located in the $root_dir.
      *
      * @param string $root_dir Root styles directory
      * @return array List of styles' names
      */
-	protected static function getStyleList($root_dir) {
+    protected static function getStyleList($root_dir)
+    {
         // Check if styles list is already stored in the cache
         if (!isset(self::$cachedStyleLists[$root_dir])) {
             // Build list of styles for the specified root directory.
@@ -116,21 +132,11 @@ abstract class Style {
         return self::$cachedStyleLists[$root_dir];
     }
 
-	/**
-	 * Builds base path for style files. This path is relative Mibew root and
-	 * does not contain neither leading nor trailing slash.
-	 *
-	 * @return string Base path for style files
-	 */
-	public abstract function filesPath();
-
     /**
      * Returns array of default configurations for concrete style object. This
      * method uses "Template method" design pattern.
      *
      * @return array Default configurations of the style
      */
-	protected abstract function defaultConfigurations();
+    abstract protected function defaultConfigurations();
 }
-
-?>

src/mibew/libs/classes/Mibew/Style/StyleInterface.php

@@ -20,7 +20,9 @@ namespace Mibew\Style;
 /**
  * Determine interface for specific style class.
  */
-interface StyleInterface {
+interface StyleInterface
+{
+
     /**
      * Returns name of the style which shoud be used for the current request.
      *
@@ -84,5 +86,3 @@ interface StyleInterface {
      */
     public function render($template_name, $data = array());
 }
-
-?>

src/mibew/libs/classes/Mibew/TemplateEngine/ChatTemplateEngine.php

@@ -20,13 +20,12 @@ namespace Mibew\TemplateEngine;
 /**
  * Simple template engine for chat templates
  */
-class ChatTemplateEngine {
+class ChatTemplateEngine
-
+{
     /**
      * Regular expression for conditional blocks in templates
      */
     const IF_REGEXP = "/\\\${(if|ifnot):([\w\.]+)}(.*?)(\\\${else:\\2}.*?)?\\\${endif:\\2}/s";
-
     /**
      * Path to teplates relative to MIBEW_FS_ROOT.
      * @var string
@@ -58,7 +57,8 @@ class ChatTemplateEngine {
      * @param string $style_path Path to the style relative to MIBEW_FS_ROOT.
      * @param string $style_name Machine name of the templates style.
      */
-	public function __construct($style_path, $style_name) {
+    public function __construct($style_path, $style_name)
+    {
         $this->stylePath = $style_path;
         $this->styleName = $style_name;
     }
@@ -71,10 +71,12 @@ class ChatTemplateEngine {
      * @param array $data Data for substitutions.
      * @return string Rendered HTML markup.
      */
-	public function render($template_name, $data) {
+    public function render($template_name, $data)
+    {
         $this->flattenTemplateData = array_flatten_recursive($data);
         $this->templateData = $data;
         $contents = $this->getTemplateFileContent($template_name);
+
         return $this->expandText($contents);
     }
 
@@ -84,11 +86,13 @@ class ChatTemplateEngine {
      * @param string $condition Condition name. Can be any element name of the
      *   template data array.
      */
-	public function checkCondition($condition) {
+    public function checkCondition($condition)
+    {
         if ($condition == 'errors') {
             return !empty($this->templateData['errors'])
                 && is_array($this->templateData['errors']);
         }
+
         return !empty($this->flattenTemplateData[$condition]);
     }
 
@@ -100,7 +104,8 @@ class ChatTemplateEngine {
      *  function.
      * @return string One of conditional blocks depending of conditional value.
      */
-	public function expandCondition($matches) {
+    public function expandCondition($matches)
+    {
         $value = $this->checkCondition($matches[2]) ^ ($matches[1] != 'if');
 
         if ($value) {
@@ -129,7 +134,8 @@ class ChatTemplateEngine {
      * @return string Value of the variable or empty string if the value was not
      *   passed in with template data.
      */
-	public function expandVar($matches) {
+    public function expandVar($matches)
+    {
         $prefix = $matches[1];
         $var = $matches[2];
 
@@ -146,10 +152,9 @@ class ChatTemplateEngine {
                     $this->templateData['pagination']
                 );
             } elseif ($var == 'errors' || $var == 'harderrors') {
-				if (
+                $errors_data_exists = !empty($this->templateData['errors'])
-					!empty($this->templateData['errors'])
+                    && is_array($this->templateData['errors']);
-					&& is_array($this->templateData['errors'])
+                if ($errors_data_exists) {
-				) {
                     $result = getlocal("$var.header");
                     foreach ($this->templateData['errors'] as $e) {
                         $result .= getlocal("errors.prefix")
@@ -157,10 +162,10 @@ class ChatTemplateEngine {
                             . getlocal("errors.suffix");
                     }
                     $result .= getlocal("errors.footer");
+
                     return $result;
                 }
             }
-
         } elseif ($prefix == 'msg:' || $prefix == 'msgjs:' || $prefix == 'url:') {
             $message = '';
             if (strpos($var, ",") !== false) {
@@ -181,6 +186,7 @@ class ChatTemplateEngine {
             $message = isset($this->flattenTemplateData[$var])
                 ? $this->flattenTemplateData[$var]
                 : "";
+
             return ($prefix == 'pagejs:') ? json_encode($message) : $message;
         } elseif ($prefix == 'if:' || $prefix == 'else:' || $prefix == 'endif:' || $prefix == 'ifnot:') {
             return "<!-- wrong $prefix:$var -->";
@@ -197,8 +203,10 @@ class ChatTemplateEngine {
      *   function.
      * @return string Contents of including file
      */
-	public function expandInclude($matches) {
+    public function expandInclude($matches)
+    {
         $template_name = $matches[1];
+
         return $this->getTemplateFileContent($template_name);
     }
 
@@ -208,7 +216,8 @@ class ChatTemplateEngine {
      * @param string $text Source text
      * @return string Markup with no control structures
      */
-	public function expandText($text) {
+    public function expandText($text)
+    {
         $text = preg_replace_callback(
             "/\\\${include:([\w\.]+)}/",
             array($this, "expandInclude"),
@@ -237,9 +246,10 @@ class ChatTemplateEngine {
      * @throws \RuntimeException If there is no such template file or the file
      *   is not readable.
      */
-	protected function getTemplateFileContent($template_name) {
+    protected function getTemplateFileContent($template_name)
-		$full_file_path = MIBEW_FS_ROOT . '/' . $this->stylePath .
+    {
-			'/templates/' . $template_name . '.tpl';
+        $full_file_path = MIBEW_FS_ROOT . '/' . $this->stylePath
+            . '/templates/' . $template_name . '.tpl';
 
         if (!is_readable($full_file_path)) {
             throw new \RuntimeException(
@@ -250,5 +260,3 @@ class ChatTemplateEngine {
         return file_get_contents($full_file_path);
     }
 }
-
-?>

src/mibew/libs/classes/Mibew/Thread.php

@@ -40,8 +40,8 @@ use Mibew\RequestProcessor\ThreadProcessor;
  * @todo Think about STATE_* and KIND_* constant systems and may be simplifies
  *   them.
  */
-Class Thread {
+class Thread
-
+{
     /**
      * User in the users queue
      */
@@ -129,8 +129,9 @@ Class Thread {
     /**
      * Contain mapping of thread object properties to fields in database.
      *
-	 * Keys are object properties and vlues are {chatthread} table fields. Properties are available via magic __get
+     * Keys are object properties and vlues are {chatthread} table fields.
-	 * and __set methods. Real values are stored in the Thread::$threadInfo array.
+     * Properties are available via magic __get and __set methods. Real values
+     * are stored in the Thread::$threadInfo array.
      *
      * Thread object have following properties:
      *  - 'id': id of the thread
@@ -139,7 +140,8 @@ Class Thread {
      *  - 'invitationState': state of invitation. See INVITATION_* constants,
      *    defined in libs/invitation.php
      *  - 'lastToken': last chat token
-	 *  - 'nextAgent': id of the next agent(agent that change current agent in the chat)
+     *  - 'nextAgent': id of the next agent(agent that change current agent in
+     *    the chat)
      *  - 'groupId': id of the group related to the thread
      *  - 'shownMessageId': last id of shown message
      *  - 'messageCount': count of user's messages related to the thread
@@ -149,7 +151,8 @@ Class Thread {
      *  - 'chatStarted': unix timestamp of related to thread chat started
      *  - 'agentId': id of an operator who take part in the chat
      *  - 'agentName': name of an operator who take part in the chat
-	 *  - 'agentTyping': "1" if operator typing at last ping time and "0" otherwise
+     *  - 'agentTyping': "1" if operator typing at last ping time and "0"
+     *    otherwise
      *  - 'lastPingAgent': unix timestamp of last operator ping
      *  - 'locale': locale code of the chat related to thread
      *  - 'userId': id of an user who take part in the chat
@@ -168,44 +171,37 @@ Class Thread {
      */
     protected $propertyMap = array(
         'id' => 'threadid',
-
         'lastRevision' => 'lrevision',
         'state' => 'istate',
         'invitationState' => 'invitationstate',
         'lastToken' => 'ltoken',
-
         'nextAgent' => 'nextagent',
         'groupId' => 'groupid',
-
         'shownMessageId' => 'shownmessageid',
         'messageCount' => 'messageCount',
-
         'created' => 'dtmcreated',
         'modified' => 'dtmmodified',
         'chatStarted' => 'dtmchatstarted',
         'closed' => 'dtmclosed',
-
         'agentId' => 'agentId',
         'agentName' => 'agentName',
         'agentTyping' => 'agentTyping',
         'lastPingAgent' => 'lastpingagent',
-
         'locale' => 'locale',
-
         'userId' => 'userid',
         'userName' => 'userName',
         'userTyping' => 'userTyping',
         'lastPingUser' => 'lastpinguser',
-
         'remote' => 'remote',
         'referer' => 'referer',
-		'userAgent' => 'userAgent'
+        'userAgent' => 'userAgent',
     );
 
     /**
      * Contain loaded from database information about thread
      *
      * Do not use this property manually!
+     *
      * @var array
      */
     protected $threadInfo;
@@ -214,22 +210,19 @@ Class Thread {
      * List of modified fields.
      *
      * Do not use this property manually!
+     *
      * @var array
      */
     protected $changedFields = array();
 
-	/**
-	 * Forbid create instance from outside of the class
-	 */
-	protected function __construct() {}
-
     /**
      * Create new empty thread in database
      *
      * @return boolean|Thread Returns an object of the Thread class or boolean
      *   false on failure
      */
-	public static function create() {
+    public static function create()
+    {
         // Get database object
         $db = Database::getInstance();
 
@@ -252,6 +245,7 @@ Class Thread {
         // Set initial values
         $thread->lastToken = self::nextToken();
         $thread->created = time();
+
         return $thread;
     }
 
@@ -264,7 +258,8 @@ Class Thread {
      * @return boolean|Thread Returns an object of the Thread class or boolean
      *   false on failure
      */
-	public static function createFromDbInfo($thread_info) {
+    public static function createFromDbInfo($thread_info)
+    {
         // Create new empty thread
         $thread = new self();
 
@@ -279,6 +274,7 @@ Class Thread {
             // Copy field to Thread object
             $thread->threadInfo[$field] = $thread_info[$field];
         }
+
         return $thread;
     }
 
@@ -289,7 +285,8 @@ Class Thread {
      * @return boolean|Thread Returns an object of the Thread class or boolean
      *   false on failure
      */
-	public static function load($id, $last_token = null) {
+    public static function load($id, $last_token = null)
+    {
         // Check $id
         if (empty($id)) {
             return false;
@@ -303,10 +300,8 @@ Class Thread {
 
         // Load thread
         $thread_info = $db->query(
-			"select * from {chatthread} where threadid = :threadid",
+            "SELECT * FROM {chatthread} WHERE threadid = :threadid",
-			array(
+            array(':threadid' => $id),
-				':threadid' => $id
-			),
             array('return_rows' => Database::RETURN_ONE_ROW)
         );
 
@@ -329,28 +324,34 @@ Class Thread {
                 return false;
             }
         }
+
         return $thread;
     }
 
     /**
      * Reopen thread and send message about it
      *
-	 * @return boolean|Thread Boolean FALSE on failure or thread object on success
+     * @return boolean|Thread Boolean FALSE on failure or thread object on
+     *   success
      */
-	public static function reopen($id) {
+    public static function reopen($id)
+    {
         // Load thread
         $thread = self::load($id);
+
         // Check if user and agent gone
-		if (Settings::get('thread_lifetime') != 0 &&
+        $user_gone = abs($thread->lastPingUser - time()) > Settings::get('thread_lifetime');
-				abs($thread->lastPingUser - time()) > Settings::get('thread_lifetime') &&
+        $agent_gone = abs($thread->lastPingAgent - time()) > Settings::get('thread_lifetime');
-				abs($thread->lastPingAgent - time()) > Settings::get('thread_lifetime')) {
+        if (Settings::get('thread_lifetime') != 0 && $user_gone && $agent_gone) {
             unset($thread);
+
             return false;
         }
 
         // Check if thread closed
         if ($thread->state == self::STATE_CLOSED || $thread->state == self::STATE_LEFT) {
             unset($thread);
+
             return false;
         }
 
@@ -361,57 +362,62 @@ Class Thread {
         }
 
         // Send message
-		$thread->postMessage(self::KIND_EVENTS, getstring_("chat.status.user.reopenedthread", $thread->locale));
+        $thread->postMessage(
+            self::KIND_EVENTS,
+            getstring_("chat.status.user.reopenedthread", $thread->locale)
+        );
+
         return $thread;
     }
 
     /**
      * Close all old threads that were not closed by some reasons
      */
-	public static function closeOldThreads() {
+    public static function closeOldThreads()
+    {
         if (Settings::get('thread_lifetime') == 0) {
             return;
         }
 
         $db = Database::getInstance();
 
-		$query = "UPDATE {chatthread} SET " .
+        $query = "UPDATE {chatthread} SET "
-				"lrevision = :next_revision, " .
+                . "lrevision = :next_revision, "
-				"dtmmodified = :now, " .
+                . "dtmmodified = :now, "
-				"dtmclosed = :now, " .
+                . "dtmclosed = :now, "
-				"istate = :state_closed " .
+                . "istate = :state_closed "
-			"WHERE istate <> :state_closed " .
+            . "WHERE istate <> :state_closed "
-				"AND istate <> :state_left " .
+                . "AND istate <> :state_left "
                 // Check created timestamp
-				"AND ABS(:now - dtmcreated) > :thread_lifetime " .
+                . "AND ABS(:now - dtmcreated) > :thread_lifetime "
                 // Check pings
-				"AND ( " .
+                . "AND ( "
-					"( " .
+                    . "( "
                         // Both user and operator have no connection problems.
                         // Check all pings.
-						"lastpingagent <> 0 " .
+                        . "lastpingagent <> 0 "
-						"AND lastpinguser <> 0 " .
+                        . "AND lastpinguser <> 0 "
-						"AND ABS(:now - lastpinguser) > :thread_lifetime " .
+                        . "AND ABS(:now - lastpinguser) > :thread_lifetime "
-						"AND ABS(:now - lastpingagent) > :thread_lifetime " .
+                        . "AND ABS(:now - lastpingagent) > :thread_lifetime "
-					") OR ( " .
+                    . ") OR ( "
                         // Only operator have connection problems.
                         // Check user's ping.
-						"lastpingagent = 0 " .
+                        . "lastpingagent = 0 "
-						"AND lastpinguser <> 0 " .
+                        . "AND lastpinguser <> 0 "
-						"AND ABS(:now - lastpinguser) > :thread_lifetime " .
+                        . "AND ABS(:now - lastpinguser) > :thread_lifetime "
-					") OR ( " .
+                    . ") OR ( "
                         // Only user have connection problems.
                         // Check operator's ping.
-						"lastpinguser = 0 " .
+                        . "lastpinguser = 0 "
-						"AND lastpingagent <> 0 " .
+                        . "AND lastpingagent <> 0 "
-						"AND ABS(:now - lastpingagent) > :thread_lifetime " .
+                        . "AND ABS(:now - lastpingagent) > :thread_lifetime "
-					") OR ( " .
+                    . ") OR ( "
                         // Both user and operator have connection problems.
                         // Just close thread.
-						"lastpinguser = 0 " .
+                        . "lastpinguser = 0 "
-						"AND lastpingagent = 0 " .
+                        . "AND lastpingagent = 0 "
-					") " .
+                    . ") "
-				")";
+                . ")";
 
         $db->query(
             $query,
@@ -420,7 +426,7 @@ Class Thread {
                 ':now' => time(),
                 ':state_closed' => self::STATE_CLOSED,
                 ':state_left' => self::STATE_LEFT,
-				':thread_lifetime' => Settings::get('thread_lifetime')
+                ':thread_lifetime' => Settings::get('thread_lifetime'),
             )
         );
     }
@@ -431,71 +437,52 @@ Class Thread {
      * @param string $remote User IP
      * @return boolean TRUE if connection limit reached and FALSE otherwise
      */
-	public static function connectionLimitReached($remote) {
+    public static function connectionLimitReached($remote)
+    {
         if (Settings::get('max_connections_from_one_host') == 0) {
             return false;
         }
 
         $db = Database::getInstance();
         $result = $db->query(
-			"select count(*) as opened from {chatthread} " .
+            "SELECT COUNT(*) AS opened FROM {chatthread} WHERE remote = ? AND istate <> ? AND istate <> ?",
-			"where remote = ? AND istate <> ? AND istate <> ?",
+            array(
-			array($remote, Thread::STATE_CLOSED, Thread::STATE_LEFT),
+                $remote,
+                Thread::STATE_CLOSED,
+                Thread::STATE_LEFT,
+            ),
             array('return_rows' => Database::RETURN_ONE_ROW)
         );
 
         if ($result && isset($result['opened'])) {
             return $result['opened'] >= Settings::get('max_connections_from_one_host');
         }
+
         return false;
     }
 
-	/**
-	 * Return next revision number (last revision number plus one)
-	 *
-	 * @return int revision number
-	 */
-	protected static function nextRevision() {
-		$db = Database::getInstance();
-		$db->query("update {chatrevision} set id=LAST_INSERT_ID(id+1)");
-		$val = $db->insertedId();
-		return $val;
-	}
-
-	/**
-	 * Create thread token
-	 *
-	 * @return int Thread token
-	 */
-	protected static function nextToken() {
-		if (function_exists('openssl_random_pseudo_bytes')) {
-			$token_arr = unpack('N', "\x0" . openssl_random_pseudo_bytes(3));
-			$token = $token_arr[1];
-		}
-		else {
-			$token = mt_rand(99999, 99999999);
-		}
-		return $token;
-	}
-
     /**
      * Implementation of the magic __get method
      *
-	 * Check if variable with name $name exists in the Thread::$propertyMap array.
+     * Check if variable with name $name exists in the Thread::$propertyMap
-	 * If it does not exist triggers an error with E_USER_NOTICE level and returns false.
+     * array. If it does not exist triggers an error with E_USER_NOTICE level
+     * and returns false.
      *
      * @param string $name property name
      * @return mixed
      * @see Thread::$propertyMap
      */
-	public function __get($name) {
+    public function __get($name)
+    {
         // Check property existance
         if (!array_key_exists($name, $this->propertyMap)) {
             trigger_error("Undefined property '{$name}'", E_USER_NOTICE);
-			return NULL;
+
+            return null;
         }
 
         $field_name = $this->propertyMap[$name];
+
         return $this->threadInfo[$field_name];
     }
 
@@ -513,16 +500,17 @@ Class Thread {
      * @return mixed
      * @see Thread::$propertyMap
      */
-	public function __set($name, $value) {
+    public function __set($name, $value)
+    {
         if (empty($this->propertyMap[$name])) {
             trigger_error("Undefined property '{$name}'", E_USER_NOTICE);
+
             return;
         }
 
         $field_name = $this->propertyMap[$name];
 
-		if (array_key_exists($field_name, $this->threadInfo)
+        if (array_key_exists($field_name, $this->threadInfo) && ($this->threadInfo[$field_name] === $value)) {
-			&& ($this->threadInfo[$field_name] === $value)) {
             return;
         }
 
@@ -541,19 +529,22 @@ Class Thread {
      * param string $name Variable name
      * return boolean True if variable exists and false otherwise
      */
-	public function __isset($name) {
+    public function __isset($name)
+    {
         if (!array_key_exists($name, $this->propertyMap)) {
             return false;
         }
 
         $property_name = $this->propertyMap[$name];
+
         return isset($this->threadInfo[$property_name]);
     }
 
     /**
      * Remove thread from database
      */
-	public function delete() {
+    public function delete()
+    {
         $db = Database::getInstance();
         $db->query(
             "DELETE FROM {chatthread} WHERE threadid = :id LIMIT 1",
@@ -564,13 +555,16 @@ Class Thread {
     /**
      * Ping the thread.
      *
-	 * Updates ping time for conversation members and sends messages about connection problems.
+     * Updates ping time for conversation members and sends messages about
+     * connection problems.
      *
-	 * @param boolean $is_user Indicates user or operator pings thread. Boolean true for user and boolean false
+     * @param boolean $is_user Indicates user or operator pings thread. Boolean
-	 * otherwise.
+     *   true for user and boolean false otherwise.
-	 * @param boolean $is_typing Indicates if user or operator is typing a message.
+     * @param boolean $is_typing Indicates if user or operator is typing a
+     *   message.
      */
-	public function ping($is_user, $is_typing) {
+    public function ping($is_user, $is_typing)
+    {
         // Indicates if revision ID of the thread should be updated on save.
         // Update revision leads to rerender thread in threads list at client
         // side. Do it on every ping is too costly.
@@ -606,14 +600,14 @@ Class Thread {
                 // Check if user chatting at the moment
                 if ($this->state == self::STATE_CHATTING) {
                     // Send message to user
-					$message_to_post = getstring_("chat.status.operator.dead", $this->locale);
+                    $message_to_post = getstring_(
+                        "chat.status.operator.dead",
+                        $this->locale
+                    );
                     $this->postMessage(
                         self::KIND_CONN,
                         $message_to_post,
-						array(
+                        array('created' => $last_ping_other_side + self::CONNECTION_TIMEOUT)
-							'created' => $last_ping_other_side
-								+ self::CONNECTION_TIMEOUT
-						)
                     );
 
                     // And update thread
@@ -630,14 +624,14 @@ Class Thread {
                 $this->lastPingUser = 0;
 
                 // And send a message to operator
-				$message_to_post = getstring_("chat.status.user.dead", $this->locale);
+                $message_to_post = getstring_(
+                    "chat.status.user.dead",
+                    $this->locale
+                );
                 $this->postMessage(
                     self::KIND_FOR_AGENT,
                     $message_to_post,
-					array(
+                    array('created' => $last_ping_other_side + self::CONNECTION_TIMEOUT)
-						'created' => $last_ping_other_side
-							+ self::CONNECTION_TIMEOUT
-					)
                 );
             }
         }
@@ -648,9 +642,11 @@ Class Thread {
     /**
      * Save the thread to the database
      *
-	 * @param boolean $update_revision Indicates if last modified time and last revision should be updated
+     * @param boolean $update_revision Indicates if last modified time and last
+     *   revision should be updated.
      */
-	public function save($update_revision = true){
+    public function save($update_revision = true)
+    {
         $db = Database::getInstance();
 
         // Update modified time and last revision if need
@@ -672,14 +668,15 @@ Class Thread {
             $values[] = $this->threadInfo[$field_db_name];
         }
 
-		$query = "update {chatthread} t set " . implode(', ', $set_clause) . " where threadid = ?";
+        $query = "UPDATE {chatthread} t SET " . implode(', ', $set_clause)
+            . " WHERE threadid = ?";
         $values[] = $this->id;
         $db->query($query, $values);
 
         // Trigger thread changed event
         $args = array(
             'thread' => $this,
-			'changed_fields' => $this->changedFields
+            'changed_fields' => $this->changedFields,
         );
         $dispatcher = EventDispatcher::getInstance();
         $dispatcher->triggerEvent('threadChanged', $args);
@@ -691,14 +688,20 @@ Class Thread {
     /**
      * Check if thread is reassigned for another operator
      *
-	 * Updates thread info, send events messages and avatar message to user
+     * Updates thread info, send events messages and avatar message to user.
+     *
      * @param array $operator Operator for test
      */
-	public function checkForReassign($operator) {
+    public function checkForReassign($operator)
-		$operator_name = ($this->locale == HOME_LOCALE) ? $operator['vclocalename'] : $operator['vccommonname'];
+    {
+        $operator_name = ($this->locale == HOME_LOCALE)
+            ? $operator['vclocalename']
+            : $operator['vccommonname'];
 
-		if ($this->state == self::STATE_WAITING &&
+        $is_operator_correct = $this->nextAgent == $operator['operatorid']
-			($this->nextAgent == $operator['operatorid'] || $this->agentId == $operator['operatorid'])) {
+            || $this->agentId == $operator['operatorid'];
+
+        if ($this->state == self::STATE_WAITING && $is_operator_correct) {
 
             // Prepare message
             if ($this->nextAgent == $operator['operatorid']) {
@@ -708,7 +711,11 @@ Class Thread {
                     $this->locale
                 );
             } else {
-				$message_to_post = getstring2_("chat.status.operator.returned", array($operator_name), $this->locale);
+                $message_to_post = getstring2_(
+                    "chat.status.operator.returned",
+                    array($operator_name),
+                    $this->locale
+                );
             }
 
             // Update thread info
@@ -745,20 +752,23 @@ Class Thread {
      *    - 'data' array, arbitrary data attached to the message
      * @see Thread::postMessage()
      */
-	public function getMessages($is_user, &$last_id) {
+    public function getMessages($is_user, &$last_id)
+    {
         $db = Database::getInstance();
 
         // Load messages
+        $query = "SELECT messageid AS id, ikind AS kind, dtmcreated AS created, "
+                . " tname AS name, tmessage AS message, plugin, data "
+            . "FROM {chatmessage} "
+            . "WHERE threadid = :threadid AND messageid > :lastid "
+                . ($is_user ? "AND ikind <> " . self::KIND_FOR_AGENT : "")
+            . " ORDER BY messageid";
+
         $messages = $db->query(
-			"select messageid as id, ikind as kind, dtmcreated as created, " .
+            $query,
-			" tname as name, tmessage as message, plugin, data " .
-			"from {chatmessage} " .
-			"where threadid = :threadid and messageid > :lastid " .
-			($is_user ? "and ikind <> " . self::KIND_FOR_AGENT : "") .
-			" order by messageid",
             array(
                 ':threadid' => $this->id,
-				':lastid' => $last_id
+                ':lastid' => $last_id,
             ),
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
@@ -819,8 +829,8 @@ Class Thread {
      *    - 'plugin': string, name of the plugin which sent the message. If
      *      message was not sent by a plugin do not set this field.
      *    - 'data': array with arbitrary data related with message. This value
-	 *    will be converted to array and serialized before save. If there is no
+     *      will be converted to array and serialized before save. If there is
-	 *    such data do not set this field.
+     *      no such data do not set this field.
      *
      * @return int Message ID
      *
@@ -834,90 +844,22 @@ Class Thread {
      * @see Thread::getMessages()
      * @see Thread::postPluginMessage()
      */
-	public function postMessage($kind, $message, $options = array()) {
+    public function postMessage($kind, $message, $options = array())
+    {
         $options = is_array($options) ? $options : array();
 
         // Send message
         return $this->saveMessage($kind, $message, $options);
     }
 
-	/**
-	 * Save the messsage in database
-	 *
-	 * @param int $kind Message kind. One of the Thread::KIND_*
-	 * @param string $message Message body
-	 * @param array $options List of additional options. It may contain
-	 * following items:
-	 *  - 'name': string, name of the message sender.
-	 *  - 'operator_id': int, ID of the operator who sent the message. For
-	 *    system messages do not set this field.
-	 *  - 'created': int, unix timestamp of the send time. If you want to set
-	 *    current time do not set this field.
-	 *  - 'plugin': string, name of the plugin which sent the message. If
-	 *    message was not sent by a plugin do not set this field.
-	 *  - 'data': array with arbitrary data related with message. This value
-	 *    will be converted to array and serialized before save. If there is no
-	 *    such data do not set this field.
-	 *
-	 * @return int Message ID
-	 *
-	 * @see Thread::KIND_USER
-	 * @see Thread::KIND_AGENT
-	 * @see Thread::KIND_FOR_AGENT
-	 * @see Thread::KIND_INFO
-	 * @see Thread::KIND_CONN
-	 * @see Thread::KIND_EVENTS
-	 * @see Thread::KIND_PLUGIN
-	 * @see Thread::getMessages()
-	 */
-	protected function saveMessage($kind, $message, $options = array()) {
-		$db = Database::getInstance();
-
-// TODO: check incoming message (it should be non-empty string)
-
-		// Add default values to options
-		$options += array(
-			'name' => null,
-			'operator_id' => 0,
-			'created' => time(),
-			'plugin' => '',
-			'data' => array()
-		);
-
-		// Prepare message data
-		$options['data'] = serialize((array)$options['data']);
-
-		// Prepare query
-		$query = "INSERT INTO {chatmessage} (" .
-				"threadid, ikind, tmessage, tname, agentId, " .
-				"dtmcreated, plugin, data" .
-			") VALUES (" .
-				":threadid, :kind, :message, :name, :agentid, " .
-				":created, :plugin, :data" .
-			")";
-
-		$values = array(
-			':threadid' => $this->id,
-			':kind' => $kind,
-			':message' => $message,
-			':name' => $options['name'],
-			':agentid' => $options['operator_id'],
-			':created' => $options['created'],
-			':plugin' => $options['plugin'],
-			':data' => $options['data']
-		);
-
-		// Execute query
-		$db->query($query, $values);
-		return $db->insertedId();
-	}
-
     /**
      * Close thread and send closing messages to the conversation members
      *
-	 * @param boolean $is_user Boolean TRUE if user initiate thread closing or boolean FALSE otherwise
+     * @param boolean $is_user Boolean TRUE if user initiate thread closing or
+     *   boolean FALSE otherwise
      */
-	public function close($is_user) {
+    public function close($is_user)
+    {
         // Send message about closing
         if ($is_user) {
             $this->postMessage(
@@ -953,14 +895,15 @@ Class Thread {
         $db = Database::getInstance();
 
         list($message_count) = $db->query(
-			"SELECT COUNT(*) FROM {chatmessage} WHERE {chatmessage}.threadid = :threadid AND ikind = :kind_user",
+            ("SELECT COUNT(*) FROM {chatmessage} "
+                . "WHERE {chatmessage}.threadid = :threadid AND ikind = :kind_user"),
             array(
                 ':threadid' => $this->id,
-				':kind_user' => Thread::KIND_USER
+                ':kind_user' => Thread::KIND_USER,
             ),
             array(
                 'return_rows' => Database::RETURN_ONE_ROW,
-				'fetch_type' => Database::FETCH_NUM
+                'fetch_type' => Database::FETCH_NUM,
             )
         );
 
@@ -979,12 +922,19 @@ Class Thread {
      * @param array $operator Operator who try to take thread
      * @return boolean Boolean TRUE on success or FALSE on failure
      */
-	public function take($operator) {
+    public function take($operator)
+    {
         $take_thread = false;
         $message = '';
-		$operator_name = ($this->locale == HOME_LOCALE) ? $operator['vclocalename'] : $operator['vccommonname'];
+        $operator_name = ($this->locale == HOME_LOCALE)
+            ? $operator['vclocalename']
+            : $operator['vccommonname'];
 
-		if ($this->state == self::STATE_QUEUE || $this->state == self::STATE_WAITING || $this->state == self::STATE_LOADING) {
+        $no_operator_in_chat = self::STATE_QUEUE
+            || self::STATE_WAITING
+            || self::STATE_LOADING;
+
+        if ($no_operator_in_chat) {
             // User waiting
             $take_thread = true;
             if ($this->state == self::STATE_WAITING) {
@@ -995,10 +945,18 @@ Class Thread {
                         $this->locale
                     );
                 } else {
-					$message = getstring2_("chat.status.operator.returned", array($operator_name), $this->locale);
+                    $message = getstring2_(
+                        "chat.status.operator.returned",
+                        array($operator_name),
+                        $this->locale
+                    );
                 }
             } else {
-				$message = getstring2_("chat.status.operator.joined", array($operator_name), $this->locale);
+                $message = getstring2_(
+                    "chat.status.operator.joined",
+                    array($operator_name),
+                    $this->locale
+                );
             }
         } elseif ($this->state == self::STATE_CHATTING) {
             // User chatting
@@ -1034,6 +992,7 @@ Class Thread {
                 $operator['vcavatar'] ? $operator['vcavatar'] : ""
             );
         }
+
         return true;
     }
 
@@ -1042,7 +1001,8 @@ Class Thread {
      *
      * @param string $new_name New user name
      */
-	public function renameUser($new_name) {
+    public function renameUser($new_name)
+    {
         // Rename only if a new name is realy new
         if ($this->userName != $new_name) {
             // Save old name
@@ -1061,11 +1021,123 @@ Class Thread {
         }
     }
 
+    /**
+     * Forbid create instance from outside of the class
+     */
+    protected function __construct()
+    {
+    }
+
+    /**
+     * Save the messsage in database
+     *
+     * @param int $kind Message kind. One of the Thread::KIND_*
+     * @param string $message Message body
+     * @param array $options List of additional options. It may contain
+     *   following items:
+     *    - 'name': string, name of the message sender.
+     *    - 'operator_id': int, ID of the operator who sent the message. For
+     *      system messages do not set this field.
+     *    - 'created': int, unix timestamp of the send time. If you want to set
+     *      current time do not set this field.
+     *    - 'plugin': string, name of the plugin which sent the message. If
+     *      message was not sent by a plugin do not set this field.
+     *    - 'data': array with arbitrary data related with message. This value
+     *      will be converted to array and serialized before save. If there is no
+     *      such data do not set this field.
+     *
+     * @return int Message ID
+     *
+     * @see Thread::KIND_USER
+     * @see Thread::KIND_AGENT
+     * @see Thread::KIND_FOR_AGENT
+     * @see Thread::KIND_INFO
+     * @see Thread::KIND_CONN
+     * @see Thread::KIND_EVENTS
+     * @see Thread::KIND_PLUGIN
+     * @see Thread::getMessages()
+     */
+    protected function saveMessage($kind, $message, $options = array())
+    {
+        $db = Database::getInstance();
+
+        // TODO: check incoming message (it should be non-empty string)
+        // Add default values to options
+        $options += array(
+            'name' => null,
+            'operator_id' => 0,
+            'created' => time(),
+            'plugin' => '',
+            'data' => array(),
+        );
+
+        // Prepare message data
+        $options['data'] = serialize((array) $options['data']);
+
+        // Prepare query
+        $query = "INSERT INTO {chatmessage} ("
+                . "threadid, ikind, tmessage, tname, agentId, "
+                . "dtmcreated, plugin, data"
+            . ") VALUES ("
+                . ":threadid, :kind, :message, :name, :agentid, "
+                . ":created, :plugin, :data"
+            . ")";
+
+        $values = array(
+            ':threadid' => $this->id,
+            ':kind' => $kind,
+            ':message' => $message,
+            ':name' => $options['name'],
+            ':agentid' => $options['operator_id'],
+            ':created' => $options['created'],
+            ':plugin' => $options['plugin'],
+            ':data' => $options['data'],
+        );
+
+        // Execute query
+        $db->query($query, $values);
+
+        return $db->insertedId();
+    }
+
+    /**
+     * Return next revision number (last revision number plus one)
+     *
+     * @return int revision number
+     */
+    protected static function nextRevision()
+    {
+        $db = Database::getInstance();
+        $db->query("UPDATE {chatrevision} SET id=LAST_INSERT_ID(id+1)");
+        $val = $db->insertedId();
+
+        return $val;
+    }
+
+    /**
+     * Create thread token
+     *
+     * @return int Thread token
+     */
+    protected static function nextToken()
+    {
+        if (function_exists('openssl_random_pseudo_bytes')) {
+            $token_arr = unpack('N', "\x0" . openssl_random_pseudo_bytes(3));
+            $token = $token_arr[1];
+        } else {
+            $token = mt_rand(99999, 99999999);
+        }
+
+        return $token;
+    }
+
     /**
      * Set operator avatar in the user's chat window
+     *
      * @param string $link URL of the new operator avatar
      */
-	protected function setupAvatar($link) {
+    protected function setupAvatar($link)
+    {
         $processor = ThreadProcessor::getInstance();
         $processor->call(array(
             array(
@@ -1076,11 +1148,9 @@ Class Thread {
                     'return' => array(),
                     'references' => array(),
                     'recipient' => 'user',
-					'imageLink' => $link
+                    'imageLink' => $link,
-				)
+                ),
-			)
+            ),
         ));
     }
 }
-
-?>

src/mibew/libs/common/autoload.php

@@ -17,9 +17,11 @@
 
 /**
  * Autoloader for classes which implements PSR-0 standard.
+ *
  * @param string $class_name Fully qualified name of the class
  */
-function class_autoload($class_name) {
+function class_autoload($class_name)
+{
     $base_dir = MIBEW_FS_ROOT . DIRECTORY_SEPARATOR . 'libs' .
         DIRECTORY_SEPARATOR . 'classes';
 
@@ -35,5 +37,3 @@ function class_autoload($class_name) {
 
     require $base_dir . DIRECTORY_SEPARATOR . $file_name;
 }
-
-?>

src/mibew/libs/common/configurations.php

@@ -22,11 +22,11 @@
  * @return boolean|array Array of configurations or boolean false if file can
  *   not be read.
  */
-function read_config_file($file) {
+function read_config_file($file)
+{
     if (!is_readable($file)) {
         return false;
     }
+
     return parse_ini_file($file, true);
 }
-
-?>

src/mibew/libs/common/constants.php

@@ -41,8 +41,8 @@ define('SESSION_PREFIX', md5($mysqlhost.'##'.$mysqldb.'##'.$mysqlprefix) . '_');
  * Another value can be set at operator/settings.php page.
  */
 define('DEFAULT_CRON_KEY', md5(
-	$mysqlhost . '##' . $mysqldb . '##' . $mysqllogin. '##' .
+    $mysqlhost . '##' . $mysqldb . '##' . $mysqllogin . '##'
-	$mysqlpass . '##' . $mysqlprefix . '##'
+    . $mysqlpass . '##' . $mysqlprefix . '##'
 ));
 
 /**
@@ -54,5 +54,3 @@ define('VISITOR_COOKIE_NAME', 'MIBEW_VisitorID');
  * Internal system encoding
  */
 define('MIBEW_ENCODING', $mibew_encoding);
-
-?>

src/mibew/libs/common/converter.php

@@ -47,5 +47,3 @@ $_win1251utf8 = array(
     "\xF6" => "\xD1\x86", "\xF7" => "\xD1\x87", "\xF8" => "\xD1\x88", "\xF9" => "\xD1\x89", "\xFA" => "\xD1\x8A",
     "\xFB" => "\xD1\x8B", "\xFC" => "\xD1\x8C", "\xFD" => "\xD1\x8D", "\xFE" => "\xD1\x8E", "\xFF" => "\xD1\x8F",
     "\xB3" => "\xD1\x96", "\xBF" => "\xD1\x97", "\xBA" => "\xD1\x94", "\xA2" => "\xD1\x9E");
-
-?>

src/mibew/libs/common/csrf.php

@@ -16,20 +16,18 @@
  */
 
 /* authorization token check for CSRF attack */
-function csrfchecktoken()
+function csrf_check_token()
 {
-	setcsrftoken();
+    set_csrf_token();
 
-	// check the turing code for post requests and del requests
+    // Check the turing code for post requests and del requests
     if ($_SERVER['REQUEST_METHOD'] == 'POST') {
-		//if token match
+        // If token match
         if (!isset($_POST['csrf_token']) || ($_POST['csrf_token'] != $_SESSION['csrf_token'])) {
-
             die("CSRF failure");
         }
     } elseif (isset($_GET['act'])) {
         if (($_GET['act'] == 'del' || $_GET['act'] == 'delete') && $_GET['csrf_token'] != $_SESSION['csrf_token']) {
-
             die("CSRF failure");
         }
     }
@@ -38,7 +36,7 @@ function csrfchecktoken()
 /* print csrf token as a hidden field */
 function print_csrf_token_input()
 {
-	setcsrftoken();
+    set_csrf_token();
 
     echo "<input name='csrf_token' type='hidden' value='" . $_SESSION['csrf_token'] . "' />";
 }
@@ -46,17 +44,17 @@ function print_csrf_token_input()
 /* print csrf token in url format */
 function print_csrf_token_in_url()
 {
-	setcsrftoken();
+    set_csrf_token();
 
     echo "&amp;csrf_token=" . $_SESSION['csrf_token'];
 }
 
 /* set csrf token */
-function setcsrftoken()
+function set_csrf_token()
 {
     if (!isset($_SESSION['csrf_token'])) {
-		$_SESSION['csrf_token'] = sha1(session_id() . (function_exists('openssl_random_pseudo_bytes') ? openssl_random_pseudo_bytes(32) : (time() + microtime()) . mt_rand(0, 99999999)));
+        $_SESSION['csrf_token'] = sha1(session_id() . (function_exists('openssl_random_pseudo_bytes')
+            ? openssl_random_pseudo_bytes(32)
+            : (time() + microtime()) . mt_rand(0, 99999999)));
     }
 }
-
-?>

src/mibew/libs/common/datetime.php

@@ -15,8 +15,6 @@
  * limitations under the License.
  */
 
-require_once(MIBEW_FS_ROOT.'/libs/common/locale.php');
-
 function date_diff_to_text($seconds)
 {
     $minutes = div($seconds, 60);
@@ -26,13 +24,14 @@ function date_diff_to_text($seconds)
     } else {
         $hours = div($minutes, 60);
         $minutes = $minutes % 60;
+
         return sprintf("%02d:%02d:%02d", $hours, $minutes, $seconds);
     }
 }
 
-function get_month_selection($fromtime, $totime)
+function get_month_selection($from_time, $to_time)
 {
-	$start = getdate($fromtime);
+    $start = getdate($from_time);
     $month = $start['mon'];
     $year = $start['year'];
     $result = array();
@@ -44,7 +43,8 @@ function get_month_selection($fromtime, $totime)
             $month = 1;
             $year++;
         }
-	} while ($current < $totime);
+    } while ($current < $to_time);
+
     return $result;
 }
 
@@ -53,20 +53,23 @@ function get_form_date($day, $month)
     if (preg_match('/^(\d{2}).(\d{2})$/', $month, $matches)) {
         return mktime(0, 0, 0, $matches[1], $day, $matches[2]);
     }
+
     return 0;
 }
 
-function set_form_date($utime, $prefix) {
+function set_form_date($utime, $prefix)
+{
     return array(
         "form${prefix}day" => date("d", $utime),
-		"form${prefix}month" => date("m.y", $utime)
+        "form${prefix}month" => date("m.y", $utime),
     );
 }
 
 function date_to_text($unixtime)
 {
-	if ($unixtime < 60 * 60 * 24 * 30)
+    if ($unixtime < 60 * 60 * 24 * 30) {
         return getlocal("time.never");
+    }
 
     $then = getdate($unixtime);
     $now = getdate();
@@ -81,5 +84,3 @@ function date_to_text($unixtime)
 
     return strftime($date_format . " " . getlocal("time.timeformat"), $unixtime);
 }
-
-?>

src/mibew/libs/common/forms.php

@@ -23,9 +23,12 @@
  * @param string $name Form variable name.
  * @return string Value of a form variable.
  */
-function form_value($page, $name) {
+function form_value($page, $name)
-	if (!empty($page) && isset($page["form$name"]))
+{
+    if (!empty($page) && isset($page["form$name"])) {
         return htmlspecialchars($page["form$name"]);
+    }
+
     return "";
 }
 
@@ -35,15 +38,17 @@ function form_value($page, $name) {
  * @param array $page The page array. All form variables are prefixed with
  *   "form" string.
  * @param string $name Form variable name.
- * @return boolean Returns TRUE only if specified form variable is set, has boolean type
+ * @return boolean Returns TRUE only if specified form variable is set, has
- * and equals to TRUE. In all other cases returns FALSE.
+ *   boolean type and equals to TRUE. In all other cases returns FALSE.
  */
-function form_value_cb($page, $name) {
+function form_value_cb($page, $name)
-	if (!empty($page) && isset($page["form$name"]))
+{
+    if (!empty($page) && isset($page["form$name"])) {
         return $page["form$name"] === true;
-	return false;
     }
 
+    return false;
+}
 
 /**
  * Checks if form variable is array and has element with specified key.
@@ -55,11 +60,11 @@ function form_value_cb($page, $name) {
  * @return boolean Returns TRUE only if specified form variable is set, is an
  *   array has element with the specified key. In all other cases returns FALSE.
  */
-function form_value_mb($page, $name, $key) {
+function form_value_mb($page, $name, $key)
+{
     if (!empty($page) && isset($page["form$name"]) && is_array($page["form$name"])) {
         return in_array($key, $page["form$name"]);
     }
+
     return false;
 }
-
-?>

src/mibew/libs/common/locale.php

@@ -18,10 +18,6 @@
 // Import namespaces and classes of the core
 use Mibew\PluginManager;
 
-// Initialize libraries
-require_once(MIBEW_FS_ROOT.'/libs/common/converter.php');
-require_once(MIBEW_FS_ROOT.'/libs/common/verification.php');
-
 /**
  * Name for the cookie to store locale code in use
  */
@@ -33,13 +29,19 @@ define('LOCALE_COOKIE_NAME', 'mibew_locale');
  * Verified value of the $default_locale configuration parameter (see
  * "libs/default_config.php" for details)
  */
-define('DEFAULT_LOCALE', locale_pattern_check($default_locale) && locale_exists($default_locale) ? $default_locale : 'en');
+define(
+    'DEFAULT_LOCALE',
+    locale_pattern_check($default_locale) && locale_exists($default_locale) ? $default_locale : 'en'
+);
 
 /**
  * Verified value of the $home_locale configuration parameter (see
  * "libs/default_config.php" for details)
  */
-define('HOME_LOCALE', locale_pattern_check($home_locale) && locale_exists($home_locale) ? $home_locale : 'en');
+define(
+    'HOME_LOCALE',
+    locale_pattern_check($home_locale) && locale_exists($home_locale) ? $home_locale : 'en'
+);
 
 /**
  * Code of the current system locale
@@ -54,14 +56,16 @@ function myiconv($in_enc, $out_enc, $string)
     }
     if (function_exists('iconv')) {
         $converted = @iconv($in_enc, $out_enc, $string);
-		if ($converted !== FALSE) {
+        if ($converted !== false) {
             return $converted;
         }
     }
-	if ($in_enc == "cp1251" && $out_enc == "utf-8")
+    if ($in_enc == "cp1251" && $out_enc == "utf-8") {
         return strtr($string, $_win1251utf8);
-	if ($in_enc == "utf-8" && $out_enc == "cp1251")
+    }
+    if ($in_enc == "utf-8" && $out_enc == "cp1251") {
         return strtr($string, $_utf8win1251);
+    }
 
     return $string; // do not know how to convert
 }
@@ -74,6 +78,7 @@ function locale_exists($locale)
 function locale_pattern_check($locale)
 {
     $locale_pattern = "/^[\w-]{2,5}$/";
+
     return preg_match($locale_pattern, $locale) && $locale != 'names';
 }
 
@@ -90,6 +95,7 @@ function get_available_locales()
         closedir($handle);
     }
     sort($list);
+
     return $list;
 }
 
@@ -97,56 +103,70 @@ function get_user_locale()
 {
     if (isset($_COOKIE[LOCALE_COOKIE_NAME])) {
         $requested_lang = $_COOKIE[LOCALE_COOKIE_NAME];
-		if (locale_pattern_check($requested_lang) && locale_exists($requested_lang))
+        if (locale_pattern_check($requested_lang) && locale_exists($requested_lang)) {
             return $requested_lang;
         }
+    }
 
     if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
         $requested_langs = explode(",", $_SERVER['HTTP_ACCEPT_LANGUAGE']);
         foreach ($requested_langs as $requested_lang) {
-			if (strlen($requested_lang) > 2)
+            if (strlen($requested_lang) > 2) {
                 $requested_lang = substr($requested_lang, 0, 2);
+            }
 
-			if (locale_pattern_check($requested_lang) && locale_exists($requested_lang))
+            if (locale_pattern_check($requested_lang) && locale_exists($requested_lang)) {
                 return $requested_lang;
             }
         }
+    }
 
-	if (locale_pattern_check(DEFAULT_LOCALE) && locale_exists(DEFAULT_LOCALE))
+    if (locale_pattern_check(DEFAULT_LOCALE) && locale_exists(DEFAULT_LOCALE)) {
         return DEFAULT_LOCALE;
+    }
 
     return 'en';
 }
 
 function get_locale()
 {
-	$locale = verifyparam("locale", "/./", "");
+    $locale = verify_param("locale", "/./", "");
 
-	if ($locale && locale_pattern_check($locale) && locale_exists($locale)) {
+    // Check if locale code passed in as a param is valid
+    $locale_param_valid = $locale
+        && locale_pattern_check($locale)
+        && locale_exists($locale);
+
+    // Check if locale code stored in session data is valid
+    $session_locale_valid = isset($_SESSION['locale'])
+        && locale_pattern_check($_SESSION['locale'])
+        && locale_exists($_SESSION['locale']);
+
+    if ($locale_param_valid) {
         $_SESSION['locale'] = $locale;
-	}
+    } elseif ($session_locale_valid) {
-	else if (isset($_SESSION['locale']) && locale_pattern_check($_SESSION['locale']) && locale_exists($_SESSION['locale'])) {
         $locale = $_SESSION['locale'];
-	}
+    } else {
-	else {
         $locale = get_user_locale();
     }
 
     setcookie(LOCALE_COOKIE_NAME, $locale, time() + 60 * 60 * 24 * 1000, MIBEW_WEB_ROOT . "/");
+
     return $locale;
 }
 
 function get_locale_links($href)
 {
-	$localeLinks = array();
+    $locale_links = array();
-	$allLocales = get_available_locales();
+    $all_locales = get_available_locales();
-	if (count($allLocales) < 2) {
+    if (count($all_locales) < 2) {
         return null;
     }
-	foreach ($allLocales as $k) {
+    foreach ($all_locales as $k) {
-		$localeLinks[$k] = getlocal_($k, "names");
+        $locale_links[$k] = getlocal_($k, "names");
     }
-	return $localeLinks;
+
+    return $locale_links;
 }
 
 /**
@@ -157,7 +177,8 @@ function get_locale_links($href)
  *
  * @param string $locale Name of a locale whose messages should be loaded.
  */
-function load_messages($locale) {
+function load_messages($locale)
+{
     global $messages, $output_encoding;
 
     // Load core localization
@@ -210,14 +231,15 @@ function load_messages($locale) {
  *    All localized strings have internal Mibew encoding(see $mibew_encoding
  *    value in libs/config.php).
  */
-function read_locale_file($path) {
+function read_locale_file($path)
+{
     // Set default values
     $current_encoding = MIBEW_ENCODING;
     $output_encoding = null;
     $messages = array();
 
     $fp = fopen($path, "r");
-	if ($fp === FALSE) {
+    if ($fp === false) {
         die("unable to read locale file $path");
     }
     while (!feof($fp)) {
@@ -256,20 +278,26 @@ function read_locale_file($path) {
 function getoutputenc()
 {
     global $output_encoding, $messages;
-	if (!isset($messages[CURRENT_LOCALE]))
+    if (!isset($messages[CURRENT_LOCALE])) {
         load_messages(CURRENT_LOCALE);
-	return isset($output_encoding[CURRENT_LOCALE]) ? $output_encoding[CURRENT_LOCALE] : MIBEW_ENCODING;
+    }
+
+    return isset($output_encoding[CURRENT_LOCALE])
+        ? $output_encoding[CURRENT_LOCALE]
+        : MIBEW_ENCODING;
 }
 
 function getstring_($text, $locale)
 {
     global $messages;
-	if (!isset($messages[$locale]))
+    if (!isset($messages[$locale])) {
         load_messages($locale);
+    }
 
     $localized = $messages[$locale];
-	if (isset($localized[$text]))
+    if (isset($localized[$text])) {
         return $localized[$text];
+    }
     if ($locale != 'en') {
         return getstring_($text, 'en');
     }
@@ -298,6 +326,7 @@ function getstring2_($text, $params, $locale)
     for ($i = 0; $i < count($params); $i++) {
         $string = str_replace("{" . $i . "}", $params[$i], $string);
     }
+
     return $string;
 }
 
@@ -312,25 +341,27 @@ function getlocal2($text, $params)
     for ($i = 0; $i < count($params); $i++) {
         $string = str_replace("{" . $i . "}", $params[$i], $string);
     }
+
     return $string;
 }
 
 /* prepares for Javascript string */
-function getlocalforJS($text, $params)
+function get_local_for_js($text, $params)
 {
     $string = myiconv(MIBEW_ENCODING, getoutputenc(), getstring_($text, CURRENT_LOCALE));
     $string = str_replace("\"", "\\\"", str_replace("\n", "\\n", $string));
     for ($i = 0; $i < count($params); $i++) {
         $string = str_replace("{" . $i . "}", $params[$i], $string);
     }
+
     return $string;
 }
 
-function locale_load_idlist($name)
+function locale_load_id_list($name)
 {
     $result = array();
     $fp = @fopen(MIBEW_FS_ROOT . "/locales/names/$name", "r");
-	if ($fp !== FALSE) {
+    if ($fp !== false) {
         while (!feof($fp)) {
             $line = trim(fgets($fp, 4096));
             if ($line && preg_match("/^[\w_\.]+$/", $line)) {
@@ -339,6 +370,7 @@ function locale_load_idlist($name)
         }
         fclose($fp);
     }
+
     return $result;
 }
 
@@ -348,17 +380,22 @@ function save_message($locale, $key, $value)
     $added = false;
     $current_encoding = MIBEW_ENCODING;
     $fp = fopen(MIBEW_FS_ROOT . "/locales/$locale/properties", "r");
-	if ($fp === FALSE) {
+    if ($fp === false) {
         die("unable to open properties for locale $locale");
     }
     while (!feof($fp)) {
         $line = fgets($fp, 4096);
-		$keyval = preg_split("/=/", $line, 2);
+        $key_val = preg_split("/=/", $line, 2);
-		if (isset($keyval[1])) {
+        if (isset($key_val[1])) {
-			if ($keyval[0] == 'encoding') {
+            if ($key_val[0] == 'encoding') {
-				$current_encoding = trim($keyval[1]);
+                $current_encoding = trim($key_val[1]);
-			} else if (!$added && $keyval[0] == $key) {
+            } elseif (!$added && $key_val[0] == $key) {
-				$line = "$key=" . myiconv(MIBEW_ENCODING, $current_encoding, str_replace("\r", "", str_replace("\n", "\\n", trim($value)))) . "\n";
+                $line = "$key="
+                    . myiconv(
+                        MIBEW_ENCODING,
+                        $current_encoding,
+                        str_replace("\r", "", str_replace("\n", "\\n", trim($value)))
+                    ) . "\n";
                 $added = true;
             }
         }
@@ -366,32 +403,44 @@ function save_message($locale, $key, $value)
     }
     fclose($fp);
     if (!$added) {
-		$result .= "$key=" . myiconv(MIBEW_ENCODING, $current_encoding, str_replace("\r", "", str_replace("\n", "\\n", trim($value)))) . "\n";
+        $result .= "$key="
+            . myiconv(
+                MIBEW_ENCODING,
+                $current_encoding,
+                str_replace("\r", "", str_replace("\n", "\\n", trim($value)))
+            ) . "\n";
     }
     $fp = @fopen(MIBEW_FS_ROOT . "/locales/$locale/properties", "w");
-	if ($fp !== FALSE) {
+    if ($fp !== false) {
         fwrite($fp, $result);
         fclose($fp);
     } else {
         die("cannot write /locales/$locale/properties, please check file permissions on your server");
     }
     $fp = @fopen(MIBEW_FS_ROOT . "/locales/$locale/properties.log", "a");
-	if ($fp !== FALSE) {
+    if ($fp !== false) {
-		$extAddr = $_SERVER['REMOTE_ADDR'];
+        $ext_addr = $_SERVER['REMOTE_ADDR'];
         if (isset($_SERVER['HTTP_X_FORWARDED_FOR']) &&
             $_SERVER['HTTP_X_FORWARDED_FOR'] != $_SERVER['REMOTE_ADDR']) {
-			$extAddr = $_SERVER['REMOTE_ADDR'] . ' (' . $_SERVER['HTTP_X_FORWARDED_FOR'] . ')';
+            $ext_addr = $_SERVER['REMOTE_ADDR'] . ' (' . $_SERVER['HTTP_X_FORWARDED_FOR'] . ')';
         }
-		$userbrowser = $_SERVER['HTTP_USER_AGENT'];
+        $user_browser = $_SERVER['HTTP_USER_AGENT'];
-		$remoteHost = isset($_SERVER['REMOTE_HOST']) ? $_SERVER['REMOTE_HOST'] : $extAddr;
+        $remote_host = isset($_SERVER['REMOTE_HOST']) ? $_SERVER['REMOTE_HOST'] : $ext_addr;
 
-		fwrite($fp, "# " . date(DATE_RFC822) . " by $remoteHost using $userbrowser\n");
+        fwrite($fp, "# " . date(DATE_RFC822) . " by $remote_host using $user_browser\n");
-		fwrite($fp, "$key=" . myiconv(MIBEW_ENCODING, $current_encoding, str_replace("\r", "", str_replace("\n", "\\n", trim($value)))) . "\n");
+        fwrite(
+            $fp,
+            ("$key="
+                . myiconv(
+                    MIBEW_ENCODING,
+                    $current_encoding,
+                    str_replace("\r", "", str_replace("\n", "\\n", trim($value)))
+                )
+                . "\n")
+        );
         fclose($fp);
     }
 }
 
 $messages = array();
 $output_encoding = array();
-
-?>

src/mibew/libs/common/misc.php

@@ -15,8 +15,6 @@
  * limitations under the License.
  */
 
-require_once(MIBEW_FS_ROOT.'/libs/common/constants.php');
-
 function debugexit_print($var)
 {
     echo "<html><body><pre>";
@@ -35,15 +33,16 @@ function get_gifimage_size($filename)
                 $height = imagesy($img);
                 $width = imagesx($img);
                 imagedestroy($img);
+
                 return array($width, $height);
             }
         }
     }
+
     return array(0, 0);
 }
 
-
+function js_path()
-function jspath()
 {
     return "js/compiled";
 }
@@ -88,7 +87,8 @@ function div($a, $b)
  * @param array $arr Array to flatten
  * @return array
  */
-function array_flatten_recursive($arr) {
+function array_flatten_recursive($arr)
+{
     $result = array();
     foreach ($arr as $key => $value) {
         if (is_array($value)) {
@@ -102,6 +102,7 @@ function array_flatten_recursive($arr) {
             $result[$key] = $value;
         }
     }
+
     return $result;
 }
 
@@ -110,12 +111,11 @@ function array_flatten_recursive($arr) {
  *
  * @return boolean
  */
-function installation_in_progress() {
+function installation_in_progress()
+{
     if (!defined('INSTALLATION_IN_PROGRESS')) {
-		return FALSE;
+        return false;
     }
 
     return INSTALLATION_IN_PROGRESS;
 }
-
-?>

src/mibew/libs/common/request.php

@@ -18,36 +18,35 @@
 // Import namespaces and classes of the core
 use Mibew\Settings;
 
-// Initialize libraries
-require_once(MIBEW_FS_ROOT.'/libs/common/locale.php');
-
 /* ajax server actions use utf-8 */
-function getrawparam($name)
+function get_raw_param($name)
 {
     if (isset($_POST[$name])) {
         $value = myiconv("utf-8", MIBEW_ENCODING, $_POST[$name]);
         if (get_magic_quotes_gpc()) {
             $value = stripslashes($value);
         }
+
         return $value;
     }
     die("no " . $name . " parameter");
 }
-
 /* form processors use current Output encoding */
-function getparam($name)
+
+function get_param($name)
 {
     if (isset($_POST[$name])) {
         $value = myiconv(getoutputenc(), MIBEW_ENCODING, $_POST[$name]);
         if (get_magic_quotes_gpc()) {
             $value = stripslashes($value);
         }
+
         return $value;
     }
     die("no " . $name . " parameter");
 }
 
-function getgetparam($name, $default = '')
+function get_get_param($name, $default = '')
 {
     if (!isset($_GET[$name]) || !$_GET[$name]) {
         return $default;
@@ -56,13 +55,14 @@ function getgetparam($name, $default = '')
     if (get_magic_quotes_gpc()) {
         $value = stripslashes($value);
     }
+
     return $value;
 }
 
-function get_app_location($showhost, $issecure)
+function get_app_location($show_host, $is_secure)
 {
-	if ($showhost) {
+    if ($show_host) {
-		return ($issecure ? "https://" : "http://") . $_SERVER['HTTP_HOST'] . MIBEW_WEB_ROOT;
+        return ($is_secure ? "https://" : "http://") . $_SERVER['HTTP_HOST'] . MIBEW_WEB_ROOT;
     } else {
         return MIBEW_WEB_ROOT;
     }
@@ -70,10 +70,9 @@ function get_app_location($showhost, $issecure)
 
 function is_secure_request()
 {
-	return
+    return (isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == '443')
-			isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == '443'
+        || (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == "on")
-			|| isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == "on"
+        || (isset($_SERVER["HTTP_HTTPS"]) && $_SERVER["HTTP_HTTPS"] == "on");
-			|| isset($_SERVER["HTTP_HTTPS"]) && $_SERVER["HTTP_HTTPS"] == "on";
 }
 
 /**
@@ -81,8 +80,7 @@ function is_secure_request()
  *
  * @return string
  */
-function get_page_style() {
+function get_page_style()
+{
     return Settings::get('page_style');
 }
-
-?>

src/mibew/libs/common/response.php

@@ -15,25 +15,28 @@
  * limitations under the License.
  */
 
-
 // Import namespaces and classes of the core
 use Mibew\EventDispatcher;
 
-// Initialize libraries
+function get_popup($href, $js_href, $message, $title, $wnd_name, $options)
-require_once(MIBEW_FS_ROOT.'/libs/common/locale.php');
-
-function get_popup($href, $jshref, $message, $title, $wndName, $options)
 {
-	if (!$jshref) {
+    if (!$js_href) {
-		$jshref = "'$href'";
+        $js_href = "'$href'";
     }
-	return "<a href=\"$href\" target=\"_blank\" " . ($title ? "title=\"$title\" " : "") . "onclick=\"if(navigator.userAgent.toLowerCase().indexOf('opera') != -1 &amp;&amp; window.event.preventDefault) window.event.preventDefault();this.newWindow = window.open($jshref, '$wndName', '$options');this.newWindow.focus();this.newWindow.opener=window;return false;\">$message</a>";
+    return "<a href=\"$href\" target=\"_blank\" "
+        . ($title ? "title=\"$title\" " : "")
+        . "onclick=\"if(navigator.userAgent.toLowerCase().indexOf('opera') != -1 "
+        . "&amp;&amp; window.event.preventDefault) window.event.preventDefault();"
+        . "this.newWindow = window.open($js_href, '$wnd_name', '$options');"
+        . "this.newWindow.focus();this.newWindow.opener=window;return false;\">$message</a>";
 }
 
 function get_image($href, $width, $height)
 {
-	if ($width != 0 && $height != 0)
+    if ($width != 0 && $height != 0) {
         return "<img src=\"$href\" border=\"0\" width=\"$width\" height=\"$height\" alt=\"\"/>";
+    }
+
     return "<img src=\"$href\" border=\"0\" alt=\"\"/>";
 }
 
@@ -55,7 +58,8 @@ function start_html_output()
     header("Content-type: text/html" . (isset($charset) ? "; charset=" . $charset : ""));
 }
 
-function start_js_output(){
+function start_js_output()
+{
     header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
     header("Cache-Control: no-store, no-cache, must-revalidate");
     header("Pragma: no-cache");
@@ -63,7 +67,7 @@ function start_js_output(){
     header('P3P:CP="IDC DSP COR ADM DEVi TAIi PSA PSD IVAi IVDi CONi HIS OUR IND CNT"');
 }
 
-function topage($text)
+function to_page($text)
 {
     return myiconv(MIBEW_ENCODING, getoutputenc(), $text);
 }
@@ -81,11 +85,12 @@ function topage($text)
  * @param string $page_name CSS files load to this page
  * @return string HTML block of 'link' tags
  */
-function get_additional_css($page_name) {
+function get_additional_css($page_name)
+{
     // Prepare event arguments array
     $args = array(
         'page' => $page_name,
-		'css' => array()
+        'css' => array(),
     );
 
     // Trigger event
@@ -114,7 +119,8 @@ function get_additional_css($page_name) {
  * @param string $page_name JavaScript files load to this page
  * @return string HTML block of 'script' tags
  */
-function get_additional_js($page_name) {
+function get_additional_js($page_name)
+{
     // Prepare event arguments array
     $args = array(
         'page' => $page_name,
@@ -145,11 +151,12 @@ function get_additional_js($page_name) {
  * @param string $page_name Localized strings add to this page
  * @return string JSON encoded localized strings
  */
-function get_additional_localized_strings($page_name) {
+function get_additional_localized_strings($page_name)
+{
     // Prepare event arguments array
     $args = array(
         'page' => $page_name,
-		'localized_strings' => array()
+        'localized_strings' => array(),
     );
 
     // Trigger event
@@ -158,8 +165,7 @@ function get_additional_localized_strings($page_name) {
 
     // Build result
     $result = array();
-	if (! empty($args['localized_strings'])
+    if (!empty($args['localized_strings']) && is_array($args['localized_strings'])) {
-		&& is_array($args['localized_strings'])) {
         $result = $args['localized_strings'];
     }
 
@@ -179,7 +185,8 @@ function get_additional_localized_strings($page_name) {
  * @param string $page_name Plugins initialize at this page
  * @return string JavaScript options block
  */
-function get_js_plugin_options($page_name) {
+function get_js_plugin_options($page_name)
+{
     // Prepare event arguments array
     $args = array(
         'page' => $page_name,
@@ -206,7 +213,8 @@ function get_js_plugin_options($page_name) {
  *    - 'js_plugin_options': contains results of the 'get_js_plugin_options'
  *      function
  */
-function get_plugins_data($page_name) {
+function get_plugins_data($page_name)
+{
     return array(
         'additional_css' => get_additional_css($page_name),
         'additional_js' => get_additional_js($page_name),
@@ -222,8 +230,7 @@ function no_field($key)
 
 function failed_uploading_file($filename, $key)
 {
-	return getlocal2("errors.failed.uploading.file",
+    return getlocal2("errors.failed.uploading.file", array($filename, getlocal($key)));
-		array($filename, getlocal($key)));
 }
 
 function wrong_field($key)
@@ -234,12 +241,14 @@ function wrong_field($key)
 function add_params($servlet, $params)
 {
     $infix = '?';
-	if (strstr($servlet, $infix) !== FALSE)
+    if (strstr($servlet, $infix) !== false) {
         $infix = '&amp;';
+    }
     foreach ($params as $k => $v) {
         $servlet .= $infix . $k . "=" . $v;
         $infix = '&amp;';
     }
+
     return $servlet;
 }
 
@@ -259,14 +268,14 @@ function add_params($servlet, $params)
  *     functions, specified in 'handlers' item.
  * @return string JSONP response that ready to send to the widget
  */
-function build_widget_response($response) {
+function build_widget_response($response)
+{
     $result = $response + array(
         'load' => array(),
         'handlers' => array(),
         'dependences' => array(),
-		'data' => array()
+        'data' => array(),
     );
+
     return "Mibew.Objects.widget.onResponse(" . json_encode($result) . ");";
 }
-
-?>

src/mibew/libs/common/string.php

@@ -38,7 +38,7 @@ function unicode_urldecode($url)
     return urldecode($url);
 }
 
-function cutstring($string, $length = 75, $ellipsis = '')
+function cut_string($string, $length = 75, $ellipsis = '')
 {
     $result = '';
     if (strlen($string) > $length) {
@@ -54,5 +54,3 @@ function escape_with_cdata($text)
 {
     return "<![CDATA[" . str_replace("]]>", "]]>]]&gt;<![CDATA[", $text) . "]]>";
 }
-
-?>

src/mibew/libs/common/verification.php

@@ -15,22 +15,23 @@
  * limitations under the License.
  */
 
-function verifyparam($name, $regexp, $default = null)
+function verify_param($name, $reg_exp, $default = null)
 {
     if (isset($_GET[$name]) && is_scalar($_GET[$name])) {
         $val = $_GET[$name];
-		if (preg_match($regexp, $val))
+        if (preg_match($reg_exp, $val)) {
             return $val;
-
+        }
     } elseif (isset($_POST[$name]) && is_scalar($_POST[$name])) {
         $val = $_POST[$name];
-		if (preg_match($regexp, $val))
+        if (preg_match($reg_exp, $val)) {
             return $val;
-
+        }
     } else {
-		if (isset($default))
+        if (isset($default)) {
             return $default;
         }
+    }
     echo "<html><head></head><body>Wrong parameter used or absent: " . $name . "</body></html>";
     exit;
 }
@@ -39,5 +40,3 @@ function is_valid_email($email)
 {
     return preg_match("/^[^@]+@[^\.]+(\.[^\.]+)*$/", $email);
 }
-
-?>

src/mibew/libs/cron.php

@@ -21,12 +21,10 @@
  * @param string $cron_key Cron security key
  * @return string Cron URI
  */
-function cron_get_uri($cron_key) {
+function cron_get_uri($cron_key)
+{
     $path = get_app_location(true, is_secure_request()) . '/cron.php';
-	$path .= empty($cron_key)
+    $path .= empty($cron_key) ? '' : '?cron_key=' . $cron_key;
-		? ''
+
-		: '?cron_key='.$cron_key;
     return $path;
 }
-
-?>

src/mibew/libs/default_config.php

@@ -62,6 +62,7 @@ $default_locale = "en"; /* if user does not provide known lang */
  * Plugins
  */
 $plugins_list = array();
+
 /* Exapmle of plugins configuration
 $plugins_list[] = array(
     'name' => 'plugin_name',
@@ -71,5 +72,3 @@ $plugins_list[] = array(
     )
 )
 */
-
-?>

src/mibew/libs/getcode.php

@@ -19,36 +19,52 @@
 use Mibew\Settings;
 use Mibew\Style\InvitationStyle;
 
-function generate_button($title, $locale, $style, $invitation_style_name, $group, $inner, $showhost, $forcesecure, $modsecurity, $operator_code)
+function generate_button(
-{
+    $title,
-	$app_location = get_app_location($showhost, $forcesecure);
+    $locale,
+    $style,
+    $invitation_style_name,
+    $group,
+    $inner,
+    $show_host,
+    $force_secure,
+    $mod_security,
+    $operator_code
+) {
+    $app_location = get_app_location($show_host, $force_secure);
     $link = $app_location . "/client.php";
-	if ($locale)
+    if ($locale) {
         $link = append_query($link, "locale=$locale");
-	if ($style)
+    }
+    if ($style) {
         $link = append_query($link, "style=$style");
-	if ($group)
+    }
+    if ($group) {
         $link = append_query($link, "group=$group");
+    }
 
-	$modsecfix = $modsecurity ? ".replace('http://','').replace('https://','')" : "";
+    $modsecfix = $mod_security ? ".replace('http://','').replace('https://','')" : "";
-	$jslink = append_query("'" . $link, "url='+escape(document.location.href$modsecfix)+'&referrer='+escape(document.referrer$modsecfix)");
+    $js_link = append_query(
+        "'" . $link,
+        "url='+escape(document.location.href$modsecfix)+'&referrer='+escape(document.referrer$modsecfix)"
+    );
     $popup_options = "toolbar=0,scrollbars=0,location=0,status=1,menubar=0,width=640,height=480,resizable=1";
 
     // Generate operator code field
     if ($operator_code) {
-		$form_on_submit = "if(navigator.userAgent.toLowerCase().indexOf('opera') != -1 " .
+        $form_on_submit = "if(navigator.userAgent.toLowerCase().indexOf('opera') != -1 "
-			"&& window.event.preventDefault) window.event.preventDefault();" .
+            . "&& window.event.preventDefault) window.event.preventDefault();"
-			"this.newWindow = window.open({$jslink} + '&operator_code=' + document.getElementById('mibewOperatorCodeField').value, 'mibew', '{$popup_options}');" .
+            . "this.newWindow = window.open({$js_link} + '&operator_code=' "
-			"this.newWindow.focus();this.newWindow.opener=window;return false;";
+            . "+ document.getElementById('mibewOperatorCodeField').value, 'mibew', '{$popup_options}');"
-		$temp = '<form action="" onsubmit="' . $form_on_submit . '" id="mibewOperatorCodeForm">' .
+            . "this.newWindow.focus();this.newWindow.opener=window;return false;";
-			'<input type="text" id="mibewOperatorCodeField" />' .
+        $temp = '<form action="" onsubmit="' . $form_on_submit . '" id="mibewOperatorCodeForm">'
-			'</form>';
+            . '<input type="text" id="mibewOperatorCodeField" />'
+            . '</form>';
         return "<!-- mibew operator code field -->" . $temp . "<!-- / mibew operator code field -->";
     }
 
     // Generate button
-	$temp = get_popup($link, "$jslink",
+    $temp = get_popup($link, "$js_link", $inner, $title, "mibew", $popup_options);
-					$inner, $title, "mibew", $popup_options);
     if (Settings::get('enabletracking')) {
         $widget_data = array();
 
@@ -64,8 +80,7 @@ function generate_button($title, $locale, $style, $invitation_style_name, $group
             '/invite.css';
 
         // Time between requests to the server in milliseconds
-		$widget_data['requestTimeout'] = Settings::get('updatefrequency_tracking')
+        $widget_data['requestTimeout'] = Settings::get('updatefrequency_tracking') * 1000;
-			* 1000;
 
         // URL for requests
         $widget_data['requestURL'] = $app_location . '/widget.php';
@@ -77,63 +92,70 @@ function generate_button($title, $locale, $style, $invitation_style_name, $group
         $widget_data['visitorCookieName'] = VISITOR_COOKIE_NAME;
 
         // Build additional button code
-		$temp = preg_replace('/^(<a )/', '\1id="mibewAgentButton" ', $temp) .
+        $temp = preg_replace('/^(<a )/', '\1id="mibewAgentButton" ', $temp)
-			'<div id="mibewinvitation"></div>' .
+            . '<div id="mibewinvitation"></div>'
-			'<script type="text/javascript" src="' .
+            . '<script type="text/javascript" src="'
-				$app_location .	'/js/compiled/widget.js' .
+            . $app_location . '/js/compiled/widget.js'
-			'"></script>' .
+            . '"></script>'
-			'<script type="text/javascript">' .
+            . '<script type="text/javascript">'
-				'Mibew.Widget.init('.json_encode($widget_data).')' .
+            . 'Mibew.Widget.init(' . json_encode($widget_data) . ')'
-			'</script>';
+            . '</script>';
     }
+
     return "<!-- mibew button -->" . $temp . "<!-- / mibew button -->";
 }
 
-function verifyparam_groupid($paramid, &$errors) {
+function verifyparam_groupid($param_id, &$errors)
-	$groupid = "";
+{
-	$groupid = verifyparam($paramid, "/^\d{0,8}$/", "");
+    $group_id = verify_param($param_id, "/^\d{0,8}$/", "");
-	if ($groupid) {
+    if ($group_id) {
-		$group = group_by_id($groupid);
+        $group = group_by_id($group_id);
         if (!$group) {
             $errors[] = getlocal("page.group.no_such");
-			$groupid = "";
+            $group_id = "";
         }
     }
-	return $groupid;
+
+    return $group_id;
 }
 
 function get_groups_list()
 {
     $result = array();
-	$allgroups = get_all_groups();
+    $all_groups = get_all_groups();
-	$result[] = array('groupid' => '', 'vclocalname' => getlocal("page.gen_button.default_group"), 'level' => 0);
+    $result[] = array(
-	foreach ($allgroups as $g) {
+        'groupid' => '',
+        'vclocalname' => getlocal("page.gen_button.default_group"),
+        'level' => 0,
+    );
+    foreach ($all_groups as $g) {
         $result[] = $g;
     }
+
     return $result;
 }
 
-function get_image_locales_map($localesdir)
+function get_image_locales_map($locales_dir)
 {
-	$imageLocales = array();
+    $image_locales = array();
-	$allLocales = get_available_locales();
+    $all_locales = get_available_locales();
-	foreach ($allLocales as $curr) {
+    foreach ($all_locales as $curr) {
-		$imagesDir = "$localesdir/$curr/button";
+        $images_dir = "$locales_dir/$curr/button";
-		if ($handle = @opendir($imagesDir)) {
+        if ($handle = @opendir($images_dir)) {
             while (false !== ($file = readdir($handle))) {
-				if (preg_match("/^(\w+)_on.gif$/", $file, $matches)
+                $both_files_exist = preg_match("/^(\w+)_on.gif$/", $file, $matches)
-					&& is_file("$imagesDir/" . $matches[1] . "_off.gif")) {
+                    && is_file("$images_dir/" . $matches[1] . "_off.gif");
+                if ($both_files_exist) {
                     $image = $matches[1];
-					if (!isset($imageLocales[$image])) {
+                    if (!isset($image_locales[$image])) {
-						$imageLocales[$image] = array();
+                        $image_locales[$image] = array();
                     }
-					$imageLocales[$image][] = $curr;
+                    $image_locales[$image][] = $curr;
                 }
             }
             closedir($handle);
         }
     }
-	return $imageLocales;
-}
 
-?>
+    return $image_locales;
+}

src/mibew/libs/groups.php

@@ -23,10 +23,11 @@ function group_by_id($id)
 {
     $db = Database::getInstance();
     $group = $db->query(
-		"select * from {chatgroup} where groupid = ?",
+        "SELECT * FROM {chatgroup} WHERE groupid = ?",
         array($id),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
+
     return $group;
 }
 
@@ -34,20 +35,22 @@ function group_by_name($name)
 {
     $db = Database::getInstance();
     $group = $db->query(
-		"select * from {chatgroup} where vclocalname = ?",
+        "SELECT * FROM {chatgroup} WHERE vclocalname = ?",
         array($name),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
+
     return $group;
 }
 
 function get_group_name($group)
 {
-	if (HOME_LOCALE == CURRENT_LOCALE || !isset($group['vccommonname']) || !$group['vccommonname'])
+    if (HOME_LOCALE == CURRENT_LOCALE || !isset($group['vccommonname']) || !$group['vccommonname']) {
         return $group['vclocalname'];
-	else
+    } else {
         return $group['vccommonname'];
     }
+}
 
 /**
  * Builds list of group settings tabs. The keys are tabs titles and the values
@@ -57,67 +60,82 @@ function get_group_name($group)
  * @param int $active Number of the active tab. The count starts from 0.
  * @return array Tabs list
  */
-function setup_group_settings_tabs($gid, $active) {
+function setup_group_settings_tabs($gid, $active)
+{
     $tabs = array();
 
     if ($gid) {
         $tabs = array(
-			getlocal("page_group.tab.main") => $active != 0 ? (MIBEW_WEB_ROOT . "/operator/group.php?gid=$gid") : "",
+            getlocal("page_group.tab.main") => ($active != 0
-			getlocal("page_group.tab.members") => $active != 1 ? (MIBEW_WEB_ROOT . "/operator/groupmembers.php?gid=$gid") : "",
+                ? (MIBEW_WEB_ROOT . "/operator/group.php?gid=$gid")
+                : ""),
+            getlocal("page_group.tab.members") => ($active != 1
+                ? (MIBEW_WEB_ROOT . "/operator/groupmembers.php?gid=$gid")
+                : ""),
         );
     }
 
     return $tabs;
 }
 
-function get_operator_groupslist($operatorid)
+function get_operator_groups_list($operator_id)
 {
     $db = Database::getInstance();
     if (Settings::get('enablegroups') == '1') {
-		$groupids = array(0);
+        $group_ids = array(0);
-		$allgroups = $db->query(
+        $all_groups = $db->query(
-			"select groupid from {chatgroupoperator} where operatorid = ? order by groupid",
+            "SELECT groupid FROM {chatgroupoperator} WHERE operatorid = ? ORDER BY groupid",
-			array($operatorid),
+            array($operator_id),
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
-		foreach ($allgroups as $g) {
+        foreach ($all_groups as $g) {
-			$groupids[] = $g['groupid'];
+            $group_ids[] = $g['groupid'];
         }
-		return implode(",", $groupids);
+
+        return implode(",", $group_ids);
     } else {
         return "";
     }
 }
 
-function get_available_parent_groups($skipgroup)
+function get_available_parent_groups($skip_group)
 {
+    $result = array();
+
+    $result[] = array(
+        'groupid' => '',
+        'level' => '',
+        'vclocalname' => getlocal("form.field.groupparent.root"),
+    );
+
     $db = Database::getInstance();
-	$groupslist = $db->query(
+    $groups_list = $db->query(
-		"select {chatgroup}.groupid as groupid, parent, vclocalname " .
+        ("SELECT {chatgroup}.groupid AS groupid, parent, vclocalname "
-		"from {chatgroup} order by vclocalname",
+            . "FROM {chatgroup} ORDER BY vclocalname"),
-		NULL,
+        null,
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
-	$result = array(array('groupid' => '', 'level' => '', 'vclocalname' => getlocal("form.field.groupparent.root")));
 
-	if ($skipgroup) {
+    if ($skip_group) {
-		$skipgroup = (array)$skipgroup;
+        $skip_group = (array) $skip_group;
     } else {
-		$skipgroup = array();
+        $skip_group = array();
     }
 
-	$result = array_merge($result, get_sorted_child_groups_($groupslist, $skipgroup, 0) );
+    $result = array_merge($result, get_sorted_child_groups_($groups_list, $skip_group, 0));
+
     return $result;
 }
 
-function group_has_children($groupid)
+function group_has_children($group_id)
 {
     $db = Database::getInstance();
     $children = $db->query(
-		"select COUNT(*) as count from {chatgroup} where parent = ?",
+        "SELECT COUNT(*) AS count FROM {chatgroup} WHERE parent = ?",
-		array($groupid),
+        array($group_id),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
+
     return ($children['count'] > 0);
 }
 
@@ -128,10 +146,12 @@ function get_top_level_group($group)
 
 /**
  * Try to load email for specified group or for its parent.
+ *
  * @param int $group_id Group id
  * @return string|boolean Email address or false if there is no email
  */
-function get_group_email($group_id) {
+function get_group_email($group_id)
+{
     // Try to get group email
     $group = group_by_id($group_id);
     if ($group && !empty($group['vcemail'])) {
@@ -156,9 +176,10 @@ function get_group_email($group_id) {
  * @param array $group Associative group array. Should contain 'ilastseen' key.
  * @return bool
  */
-function group_is_online($group) {
+function group_is_online($group)
-	return ($group['ilastseen'] !== NULL
+{
-		&& $group['ilastseen'] < Settings::get('online_timeout'));
+    return $group['ilastseen'] !== null
+        && $group['ilastseen'] < Settings::get('online_timeout');
 }
 
 /**
@@ -168,8 +189,9 @@ function group_is_online($group) {
  *   key.
  * @return bool
  */
-function group_is_away($group) {
+function group_is_away($group)
-	return $group['ilastseenaway'] !== NULL
+{
+    return $group['ilastseenaway'] !== null
         && $group['ilastseenaway'] < Settings::get('online_timeout');
 }
 
@@ -181,17 +203,20 @@ function group_is_away($group) {
  *  - 'vclocaldescription': string, contain local description of the group.
  * @return string Group description
  */
-function get_group_description($group) {
+function get_group_description($group)
-	if (HOME_LOCALE == CURRENT_LOCALE
+{
+    $use_local_description = HOME_LOCALE == CURRENT_LOCALE
         || !isset($group['vccommondescription'])
-			|| !$group['vccommondescription']) {
+        || !$group['vccommondescription'];
+
+    if ($use_local_description) {
         return $group['vclocaldescription'];
     } else {
         return $group['vccommondescription'];
     }
 }
 
-function check_group_params($group, $extra_params = NULL)
+function check_group_params($group, $extra_params = null)
 {
     $obligatory_params = array(
         'name',
@@ -203,8 +228,13 @@ function check_group_params($group, $extra_params = NULL)
         'parent',
         'chattitle',
         'hosturl',
-		'logo');
+        'logo',
-	$params = is_null($extra_params)?$obligatory_params:array_merge($obligatory_params,$extra_params);
+    );
+
+    $params = is_null($extra_params)
+        ? $obligatory_params
+        : array_merge($obligatory_params, $extra_params);
+
     if (count(array_diff($params, array_keys($group))) != 0) {
         die('Wrong parameters set!');
     }
@@ -213,22 +243,34 @@ function check_group_params($group, $extra_params = NULL)
 /**
  * Creates group
  *
- * @param array $group Operators' group.
+ * @param array $group Operators' group. The $group array must contains the
- * The $group array must contains following keys:
+ *   following keys:
- * name, description, commonname, commondescription,
+ *     - name,
- * email, weight, parent, title, chattitle, hosturl, logo
+ *     - description,
+ *     - commonname,
+ *     - commondescription,
+ *     - email,
+ *     - weight,
+ *     - parent,
+ *     - title,
+ *     - chattitle,
+ *     - hosturl,
+ *     - logo
  * @return array Created group
  */
 function create_group($group)
 {
-	$db = Database::getInstance();
     check_group_params($group);
+
+    $db = Database::getInstance();
     $db->query(
-		"insert into {chatgroup} (parent, vclocalname,vclocaldescription,vccommonname, " .
+        ("INSERT INTO {chatgroup} ("
-		"vccommondescription,vcemail,vctitle,vcchattitle,vchosturl,vclogo,iweight) " .
+            . "parent, vclocalname, vclocaldescription, vccommonname, "
-		"values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
+            . "vccommondescription, vcemail, vctitle, vcchattitle, vchosturl, "
+            . "vclogo, iweight"
+            . ") values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)"),
         array(
-			($group['parent'] ? (int)$group['parent'] : NULL),
+            ($group['parent'] ? (int) $group['parent'] : null),
             $group['name'],
             $group['description'],
             $group['commonname'],
@@ -238,37 +280,52 @@ function create_group($group)
             $group['chattitle'],
             $group['hosturl'],
             $group['logo'],
-			$group['weight']
+            $group['weight'],
         )
     );
     $id = $db->insertedId();
 
-	$newdep = $db->query(
+    $new_group = $db->query(
-		"select * from {chatgroup} where groupid = ?",
+        "SELECT * FROM {chatgroup} WHERE groupid = ?",
         array($id),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
-	return $newdep;
+
+    return $new_group;
 }
 
 /**
  * Updates group info
  *
- * @param array $group Operators' group.
+ * @param array $group Operators' group. The $group array must contains the
- * The $group array must contains following keys:
+ *   following keys:
- * id, name, description, commonname, commondescription,
+ *     - id,
- * email, weight, parent, title, chattitle, hosturl, logo
+ *     - name,
+ *     - description,
+ *     - commonname,
+ *     - commondescription,
+ *     - email,
+ *     - weight,
+ *     - parent,
+ *     - title,
+ *     - chattitle,
+ *     - hosturl,
+ *     - logo
  */
 function update_group($group)
 {
-	$db = Database::getInstance();
     check_group_params($group, array('id'));
+
+    $db = Database::getInstance();
     $db->query(
-		"update {chatgroup} set parent = ?, vclocalname = ?, vclocaldescription = ?, " .
+        ("UPDATE {chatgroup} SET "
-		"vccommonname = ?, vccommondescription = ?, vcemail = ?, vctitle = ?, " .
+            . "parent = ?, vclocalname = ?, vclocaldescription = ?, "
-		"vcchattitle = ?, vchosturl = ?, vclogo = ?, iweight = ? where groupid = ?",
+            . "vccommonname = ?, vccommondescription = ?, "
+            . "vcemail = ?, vctitle = ?, vcchattitle = ?, "
+            . "vchosturl = ?, vclogo = ?, iweight = ? "
+            . "where groupid = ?"),
         array(
-			($group['parent'] ? (int)$group['parent'] : NULL),
+            ($group['parent'] ? (int) $group['parent'] : null),
             $group['name'],
             $group['description'],
             $group['commonname'],
@@ -285,33 +342,34 @@ function update_group($group)
 
     if ($group['parent']) {
         $db->query(
-			"update {chatgroup} set parent = NULL where parent = ?",
+            "UPDATE {chatgroup} SET parent = NULL WHERE parent = ?",
             array($group['id'])
         );
     }
 }
 
-function get_group_members($groupid)
+function get_group_members($group_id)
 {
     $db = Database::getInstance();
     return $db->query(
-		"select operatorid from {chatgroupoperator} where groupid = ?",
+        "SELECT operatorid FROM {chatgroupoperator} WHERE groupid = ?",
-		array($groupid),
+        array($group_id),
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
 }
 
-function update_group_members($groupid, $newvalue)
+function update_group_members($group_id, $new_value)
 {
     $db = Database::getInstance();
-	$db->query("delete from {chatgroupoperator} where groupid = ?", array($groupid));
-
-	foreach ($newvalue as $opid) {
     $db->query(
-			"insert into {chatgroupoperator} (groupid, operatorid) values (?, ?)",
+        "DELETE FROM {chatgroupoperator} WHERE groupid = ?",
-			array($groupid,$opid)
+        array($group_id)
+    );
+
+    foreach ($new_value as $operator_id) {
+        $db->query(
+            "INSERT INTO {chatgroupoperator} (groupid, operatorid) VALUES (?, ?)",
+            array($group_id, $operator_id)
         );
     }
 }
-
-?>

src/mibew/libs/init.php

@@ -27,7 +27,13 @@ define('MIBEW_FS_ROOT', dirname(dirname(__FILE__)));
 require_once(MIBEW_FS_ROOT . '/libs/config.php');
 
 // Sanitize path to application and remove extra slashes
-$mibewroot = join("/", array_map("urlencode", preg_split('/\//', preg_replace('/\/+$/', '', preg_replace('/\/{2,}/', '/', '/' . $mibewroot)))));
+$mibewroot = join(
+    "/",
+    array_map(
+        "urlencode",
+        preg_split('/\//', preg_replace('/\/+$/', '', preg_replace('/\/{2,}/', '/', '/' . $mibewroot)))
+    )
+);
 
 /**
  * Base URL of the Mibew installation
@@ -43,20 +49,21 @@ spl_autoload_register('class_autoload');
 
 // Include common libs
 require_once(MIBEW_FS_ROOT . '/libs/common/configurations.php');
+require_once(MIBEW_FS_ROOT . '/libs/common/verification.php');
+require_once(MIBEW_FS_ROOT . '/libs/common/converter.php');
+require_once(MIBEW_FS_ROOT . '/libs/common/locale.php');
 require_once(MIBEW_FS_ROOT . '/libs/common/csrf.php');
 require_once(MIBEW_FS_ROOT . '/libs/common/datetime.php');
 require_once(MIBEW_FS_ROOT . '/libs/common/forms.php');
-require_once(MIBEW_FS_ROOT.'/libs/common/verification.php');
-require_once(MIBEW_FS_ROOT.'/libs/common/locale.php');
 require_once(MIBEW_FS_ROOT . '/libs/common/misc.php');
 require_once(MIBEW_FS_ROOT . '/libs/common/request.php');
 require_once(MIBEW_FS_ROOT . '/libs/common/response.php');
 require_once(MIBEW_FS_ROOT . '/libs/common/string.php');
 
 // Make session cookie more secure
-@ini_set('session.cookie_httponly', TRUE);
+@ini_set('session.cookie_httponly', true);
 if (is_secure_request()) {
-    @ini_set('session.cookie_secure', TRUE);
+    @ini_set('session.cookie_secure', true);
 }
 @ini_set('session.cookie_path', MIBEW_WEB_ROOT . "/");
 @ini_set('session.name', 'MibewSessionID');
@@ -86,5 +93,3 @@ if (! empty($plugins_list)) {
     // Variable $plugins_config defined in libs/config.php
     \Mibew\PluginManager::loadPlugins($plugins_list);
 }
-
-?>

src/mibew/libs/invitation.php

@@ -29,13 +29,14 @@ use Mibew\Thread;
  *  - 'threadid': int, ID of the thread, related with visitor or boolean false
  *    if visitor with specfied ID does not exist.
  */
-function invitation_state($visitor_id) {
+function invitation_state($visitor_id)
+{
     $db = Database::getInstance();
     $db_result = $db->query(
-		"SELECT t.threadid, t.invitationstate, t.istate " .
+        ("SELECT t.threadid, t.invitationstate, t.istate "
-		"FROM {chatsitevisitor} v, {chatthread} t " .
+            . "FROM {chatsitevisitor} v, {chatthread} t "
-		"WHERE visitorid = ? " .
+            . "WHERE visitorid = ? "
-			"AND t.threadid = v.threadid",
+            . "AND t.threadid = v.threadid"),
         array($visitor_id),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
@@ -49,6 +50,7 @@ function invitation_state($visitor_id) {
             && ($db_result['invitationstate'] == Thread::INVITATION_WAIT);
         $ret['threadid'] = $db_result['threadid'];
     }
+
     return $ret;
 }
 
@@ -60,7 +62,8 @@ function invitation_state($visitor_id) {
  * @return Thread|boolean Thread object related with invitation or boolean
  *   false on failure
  */
-function invitation_invite($visitor_id, $operator) {
+function invitation_invite($visitor_id, $operator)
+{
     // Check if visitor already invited
     $invitation_state = invitation_state($visitor_id);
     if ($invitation_state['invited']) {
@@ -103,13 +106,13 @@ function invitation_invite($visitor_id, $operator) {
 
     $db = Database::getInstance();
     $db->query(
-		"UPDATE {chatsitevisitor} set " .
+        ("UPDATE {chatsitevisitor} set "
-			"invitations = invitations + 1, " .
+            . "invitations = invitations + 1, "
-			"threadid = :thread_id " .
+            . "threadid = :thread_id "
-		"WHERE visitorid = :visitor_id",
+            . "WHERE visitorid = :visitor_id"),
         array(
             ':thread_id' => $thread->id,
-			':visitor_id' => $visitor_id
+            ':visitor_id' => $visitor_id,
         )
     );
 
@@ -126,7 +129,7 @@ function invitation_invite($visitor_id, $operator) {
         getlocal("invitation.message"),
         array(
             'name' => $operator_name,
-			'operator_id' => $operator['operatorid']
+            'operator_id' => $operator['operatorid'],
         )
     );
 
@@ -139,7 +142,8 @@ function invitation_invite($visitor_id, $operator) {
  * @param int $visitor_id ID of the visitor who accept invitation
  * @return Thread|boolean Thread object or boolean false on failure
  */
-function invitation_accept($visitor_id) {
+function invitation_accept($visitor_id)
+{
     // Check if visitor was invited
     $invitation_state = invitation_state($visitor_id);
     if (!$invitation_state['invited']) {
@@ -174,8 +178,8 @@ function invitation_accept($visitor_id) {
 
     // Update visitor info
     $db->query(
-		"UPDATE {chatsitevisitor} SET chats = chats + 1 " .
+        ("UPDATE {chatsitevisitor} SET chats = chats + 1 "
-		"WHERE visitorid = :visitor_id",
+            . "WHERE visitorid = :visitor_id"),
         array(':visitor_id' => $visitor_id)
     );
 
@@ -187,7 +191,8 @@ function invitation_accept($visitor_id) {
  *
  * @param int $visitor_id ID of the visitor
  */
-function invitation_reject($visitor_id) {
+function invitation_reject($visitor_id)
+{
     $visitor = track_get_visitor_by_id($visitor_id);
 
     // Send message to operator
@@ -201,18 +206,18 @@ function invitation_reject($visitor_id) {
 
     $db = Database::getInstance();
     $db->query(
-		"UPDATE {chatsitevisitor} v, {chatthread} t SET " .
+        ("UPDATE {chatsitevisitor} v, {chatthread} t SET "
-			"v.threadid = NULL, " .
+            . "v.threadid = NULL, "
-			"t.invitationstate = :invitation_rejected, " .
+            . "t.invitationstate = :invitation_rejected, "
-			"t.istate = :state_closed, " .
+            . "t.istate = :state_closed, "
-			"t.dtmclosed = :now " .
+            . "t.dtmclosed = :now "
-		"WHERE t.threadid = v.threadid " .
+            . "WHERE t.threadid = v.threadid "
-			"AND visitorid = :visitor_id",
+            . "AND visitorid = :visitor_id"),
         array(
             ':invitation_rejected' => Thread::INVITATION_REJECTED,
             ':state_closed' => Thread::STATE_CLOSED,
             ':visitor_id' => $visitor_id,
-			':now' => time()
+            ':now' => time(),
         )
     );
 }
@@ -220,41 +225,42 @@ function invitation_reject($visitor_id) {
 /**
  * Close old invitations
  */
-function invitation_close_old() {
+function invitation_close_old()
+{
     $db = Database::getInstance();
 
     // Get all threads to close
     $threads = $db->query(
-		"SELECT * FROM {chatthread} " .
+        ("SELECT * FROM {chatthread} "
-		"WHERE istate = :state_invited " .
+            . "WHERE istate = :state_invited "
-			"AND invitationstate = :invitation_wait " .
+            . "AND invitationstate = :invitation_wait "
-			"AND (:now - dtmcreated) > :lifetime",
+            . "AND (:now - dtmcreated) > :lifetime"),
         array(
             ':invitation_wait' => Thread::INVITATION_WAIT,
             ':state_invited' => Thread::STATE_INVITED,
             ':lifetime' => Settings::get('invitation_lifetime'),
-			':now' => time()
+            ':now' => time(),
         ),
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
 
     // Remove old invitations
     $db->query(
-		"UPDATE {chatsitevisitor} v, {chatthread} t SET " .
+        ("UPDATE {chatsitevisitor} v, {chatthread} t SET "
-			"t.invitationstate = :invitation_ignored, " .
+            . "t.invitationstate = :invitation_ignored, "
-			"t.istate = :state_closed, " .
+            . "t.istate = :state_closed, "
-			"t.dtmclosed = :now, " .
+            . "t.dtmclosed = :now, "
-			"v.threadid = NULL " .
+            . "v.threadid = NULL "
-		"WHERE t.istate = :state_invited " .
+            . "WHERE t.istate = :state_invited "
-			"AND t.invitationstate = :invitation_wait " .
+            . "AND t.invitationstate = :invitation_wait "
-			"AND (:now - t.dtmcreated) > :lifetime",
+            . "AND (:now - t.dtmcreated) > :lifetime"),
         array(
             ':invitation_ignored' => Thread::INVITATION_IGNORED,
             ':invitation_wait' => Thread::INVITATION_WAIT,
             ':state_closed' => Thread::STATE_CLOSED,
             ':state_invited' => Thread::STATE_INVITED,
             ':lifetime' => Settings::get('invitation_lifetime'),
-			':now' => time()
+            ':now' => time(),
         )
     );
 
@@ -276,7 +282,8 @@ function invitation_close_old() {
  * @param Thread $thread Thread object related with invitation
  * @return array Array of invitation data
  */
-function setup_invitation_view(Thread $thread) {
+function setup_invitation_view(Thread $thread)
+{
     $data = prepare_chat_app_data();
 
     // Set refresh frequency
@@ -290,18 +297,16 @@ function setup_invitation_view(Thread $thread) {
 
     $data['invitation']['thread'] = array(
         'id' => $thread->id,
-		'token' => $thread->lastToken
+        'token' => $thread->lastToken,
     );
 
     $data['invitation']['user'] = array(
-		'name' => htmlspecialchars(topage($thread->userName)),
+        'name' => htmlspecialchars(to_page($thread->userName)),
         'canChangeName' => false,
-		'isAgent' => false
+        'isAgent' => false,
     );
 
     $data['startFrom'] = 'invitation';
 
     return $data;
 }
-
-?>

src/mibew/libs/notify.php

@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-function mibew_mail($toaddr, $reply_to, $subject, $body)
+function mibew_mail($to_addr, $reply_to, $subject, $body)
 {
     global $mibew_mailbox, $mail_encoding;
 
@@ -24,16 +24,20 @@ function mibew_mail($toaddr, $reply_to, $subject, $body)
         . "Content-Type: text/plain; charset=$mail_encoding\r\n"
         . 'X-Mailer: PHP/' . phpversion();
 
-	$real_subject = "=?" . $mail_encoding . "?B?" . base64_encode(myiconv(MIBEW_ENCODING, $mail_encoding, $subject)) . "?=";
+    $real_subject = "=?" . $mail_encoding . "?B?"
+        . base64_encode(myiconv(MIBEW_ENCODING, $mail_encoding, $subject)) . "?=";
 
     $body = preg_replace("/\n/", "\r\n", $body);
 
     $old_from = ini_get('sendmail_from');
     @ini_set('sendmail_from', $mibew_mailbox);
-	@mail($toaddr, $real_subject, wordwrap(myiconv(MIBEW_ENCODING, $mail_encoding, $body), 70), $headers);
+    @mail(
+        $to_addr,
+        $real_subject,
+        wordwrap(myiconv(MIBEW_ENCODING, $mail_encoding, $body), 70),
+        $headers
+    );
     if (isset($old_from)) {
         @ini_set('sendmail_from', $old_from);
     }
 }
-
-?>

src/mibew/libs/operator.php

@@ -54,12 +54,13 @@ define('CAN_MODIFYPROFILE', 3);
  * @return array Associativa array whose keys are numerical permission ids and
  * values are string permission names.
  */
-function permission_ids() {
+function permission_ids()
+{
     return array(
         CAN_ADMINISTRATE => "admin",
         CAN_TAKEOVER => "takeover",
         CAN_VIEWTHREADS => "viewthreads",
-		CAN_MODIFYPROFILE => "modifyprofile"
+        CAN_MODIFYPROFILE => "modifyprofile",
     );
 }
 
@@ -68,10 +69,11 @@ function permission_ids() {
  * @param int $operator_id Operator ID
  * @param int $perm New permissions value
  */
-function update_operator_permissions($operator_id, $perm) {
+function update_operator_permissions($operator_id, $perm)
+{
     $db = Database::getInstance();
     $db->query(
-		"update {chatoperator} set iperm = ? where operatorid = ?",
+        "UPDATE {chatoperator} SET iperm = ? WHERE operatorid = ?",
         array($perm, $operator_id)
     );
 }
@@ -79,8 +81,9 @@ function update_operator_permissions($operator_id, $perm) {
 function operator_by_login($login)
 {
     $db = Database::getInstance();
+
     return $db->query(
-		"select * from {chatoperator} where vclogin = ?",
+        "SELECT * FROM {chatoperator} WHERE vclogin = ?",
         array($login),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
@@ -89,8 +92,9 @@ function operator_by_login($login)
 function operator_by_email($mail)
 {
     $db = Database::getInstance();
+
     return $db->query(
-		"select * from {chatoperator} where vcemail = ?",
+        "SELECT * FROM {chatoperator} WHERE vcemail = ?",
         array($mail),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
@@ -99,8 +103,9 @@ function operator_by_email($mail)
 function operator_by_id($id)
 {
     $db = Database::getInstance();
+
     return $db->query(
-		"select * from {chatoperator} where operatorid = ?",
+        "SELECT * FROM {chatoperator} WHERE operatorid = ?",
         array($id),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
@@ -108,14 +113,17 @@ function operator_by_id($id)
 
 /**
  * Load operator info by specified operators code
+ *
  * @param string $code Operators code
  * @return array|boolean Operators info array or boolean false if there is no
  *   operator with specified code.
  */
-function operator_by_code($code) {
+function operator_by_code($code)
+{
     $db = Database::getInstance();
+
     return $db->query(
-		"select * from {chatoperator} where code = ?",
+        "SELECT * FROM {chatoperator} WHERE code = ?",
         array($code),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
@@ -123,16 +131,17 @@ function operator_by_code($code) {
 
 /**
  * Get list of operators taking into account $options
- * @param array $options Associative array of options. It can contains following keys:
+ * @param array $options Associative array of options. It can contains following
+ *   keys:
  *    - 'sort': an associative array of sorting options.
- *  - 'isolated_operator_id': id of current operators. If it set - function would return
+ *    - 'isolated_operator_id': id of current operators. If it set - function
- *    only operators from adjacent groups.
+ *       would return only operators from adjacent groups.
  *
  *   'sort' array must contains two keys: 'by' and 'desc'.
- * 'by' means the field by which operators would be sort and can take following
+ *   'by' means the field by which operators would be sort and can take
- * values: 'commonname', 'localename', 'login', 'lastseen'. 'desc' means order in which operators would
+ *   following values: 'commonname', 'localename', 'login', 'lastseen'. 'desc'
- * be sort. If it's 'true' operators would be sort in descending order and in
+ *   means order in which operators would be sort. If it's 'true' operators
- * ascending order overwise.
+ *   would be sort in descending order and in ascending order overwise.
  *
  */
 function get_operators_list($options)
@@ -159,22 +168,31 @@ function get_operators_list($options)
         $orderby = "vclogin";
     }
 
-	$query = "select distinct {chatoperator}.operatorid, vclogin, vclocalename, vccommonname, code, istatus, idisabled, (:now - dtmlastvisited) as time " .
+    $query = "SELECT DISTINCT "
-		 "from {chatoperator}" .
+        . "{chatoperator}.operatorid, "
-		 (
+        . "vclogin, "
-		 empty($options['isolated_operator_id']) ? "" :
+        . "vclocalename, "
-			", {chatgroupoperator} " .
+        . "vccommonname, "
-			" where {chatoperator}.operatorid = {chatgroupoperator}.operatorid and {chatgroupoperator}.groupid in " .
+        . "code, "
-			"(select g.groupid from {chatgroup} g, " .
+        . "istatus, "
-			"(select distinct parent from {chatgroup}, {chatgroupoperator} " .
+        . "idisabled, "
-			"where {chatgroup}.groupid = {chatgroupoperator}.groupid and {chatgroupoperator}.operatorid = :operatorid) i " .
+        . "(:now - dtmlastvisited) AS time "
-			"where g.groupid = i.parent or g.parent = i.parent " .
+        . "FROM {chatoperator}"
-			")"
+        . (empty($options['isolated_operator_id'])
-		 ) .
+            ? ""
-		 " order by " . $orderby;
+            : ", {chatgroupoperator} "
+                . "WHERE {chatoperator}.operatorid = {chatgroupoperator}.operatorid "
+                . "AND {chatgroupoperator}.groupid IN ("
+                    . "SELECT g.groupid FROM {chatgroup} g, "
+                        . "(SELECT DISTINCT parent FROM {chatgroup}, {chatgroupoperator} "
+                        . "WHERE {chatgroup}.groupid = {chatgroupoperator}.groupid "
+                        . "AND {chatgroupoperator}.operatorid = :operatorid) i "
+                    . "WHERE g.groupid = i.parent OR g.parent = i.parent "
+                . ")")
+        . " ORDER BY " . $orderby;
 
     $values = array(
-		':now' => time()
+        ':now' => time(),
     );
 
     if (!empty($options['isolated_operator_id'])) {
@@ -190,12 +208,14 @@ function get_operators_list($options)
     return $operators;
 }
 
-function operator_get_all() {
+function operator_get_all()
+{
     $db = Database::getInstance();
+
     return $operators = $db->query(
-		"select operatorid, vclogin, vclocalename, vccommonname, istatus, code, idisabled, " .
+        ("SELECT operatorid, vclogin, vclocalename, vccommonname, istatus, "
-		"(:now - dtmlastvisited) as time " .
+            . "code, idisabled, (:now - dtmlastvisited) AS time "
-		"from {chatoperator} order by vclogin",
+            . "FROM {chatoperator} ORDER BY vclogin"),
         array(':now' => time()),
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
@@ -204,25 +224,25 @@ function operator_get_all() {
 function get_operators_from_adjacent_groups($operator)
 {
     $db = Database::getInstance();
-	$query = "select distinct {chatoperator}.operatorid, vclogin, vclocalename,vccommonname, " .
+    $query = "SELECT DISTINCT {chatoperator}.operatorid, vclogin, "
-		"istatus, idisabled, code, " .
+            . "vclocalename,vccommonname, "
-		"(:now - dtmlastvisited) as time " .
+            . "istatus, idisabled, code, "
-		"from {chatoperator}, {chatgroupoperator} " .
+            . "(:now - dtmlastvisited) AS time "
-		"where {chatoperator}.operatorid = {chatgroupoperator}.operatorid " .
+        . "FROM {chatoperator}, {chatgroupoperator} "
-		"and {chatgroupoperator}.groupid in " .
+        . "WHERE {chatoperator}.operatorid = {chatgroupoperator}.operatorid "
-		"(select g.groupid from {chatgroup} g, " .
+            . "AND {chatgroupoperator}.groupid IN ("
-		"(select distinct parent from {chatgroup}, {chatgroupoperator} " .
+                . "SELECT g.groupid from {chatgroup} g, "
-		"where {chatgroup}.groupid = {chatgroupoperator}.groupid " .
+                    . "(SELECT DISTINCT parent FROM {chatgroup}, {chatgroupoperator} "
-		"and {chatgroupoperator}.operatorid = :operatorid) i " .
+                    . "WHERE {chatgroup}.groupid = {chatgroupoperator}.groupid "
-		"where g.groupid = i.parent or g.parent = i.parent " .
+                        . "AND {chatgroupoperator}.operatorid = :operatorid) i "
-		") order by vclogin";
+                . "WHERE g.groupid = i.parent OR g.parent = i.parent "
-	
+        . ") ORDER BY vclogin";
 
     return $db->query(
         $query,
         array(
             ':operatorid' => $operator['operatorid'],
-			':now' => time()
+            ':now' => time(),
         ),
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
@@ -235,12 +255,16 @@ function operator_is_online($operator)
 
 function operator_is_available($operator)
 {
-	return $operator['istatus'] == 0 && $operator['time'] < Settings::get('online_timeout') ? "1" : "";
+    return ($operator['istatus'] == 0 && $operator['time'] < Settings::get('online_timeout'))
+        ? "1"
+        : "";
 }
 
 function operator_is_away($operator)
 {
-	return $operator['istatus'] != 0 && $operator['time'] < Settings::get('online_timeout') ? "1" : "";
+    return ($operator['istatus'] != 0 && $operator['time'] < Settings::get('online_timeout'))
+        ? "1"
+        : "";
 }
 
 function operator_is_disabled($operator)
@@ -253,46 +277,53 @@ function operator_is_disabled($operator)
  *
  * If $password argument is empty operators password will not be changed.
  *
- * @param int $operatorid ID of operator to update
+ * @param int $operator_id ID of operator to update
  * @param string $login Operator's login
  * @param string $email Operator's
  * @param string $password Operator's password
- * @param string $localename Operator's local name
+ * @param string $locale_name Operator's local name
- * @param string $commonname Operator's international name
+ * @param string $common_name Operator's international name
  * @param string $code Operator's code which use to start chat with specified
  *   operator
  */
-function update_operator($operatorid, $login, $email, $password, $localename, $commonname, $code) {
+function update_operator(
+    $operator_id,
+    $login,
+    $email,
+    $password,
+    $locale_name,
+    $common_name,
+    $code
+) {
     $db = Database::getInstance();
     $values = array(
         ':login' => $login,
-		':localname' => $localename,
+        ':localname' => $locale_name,
-		':commonname' => $commonname,
+        ':commonname' => $common_name,
         ':email' => $email,
         ':jabbername' => '',
-		':operatorid' => $operatorid,
+        ':operatorid' => $operator_id,
-		':code' => $code
+        ':code' => $code,
     );
     if ($password) {
         $values[':password'] = calculate_password_hash($login, $password);
     }
     $db->query(
-		"update {chatoperator} set vclogin = :login, " .
+        ("UPDATE {chatoperator} SET vclogin = :login, "
-		($password ? " vcpassword=:password, " : "") .
+            . ($password ? " vcpassword=:password, " : "")
-		"vclocalename = :localname, vccommonname = :commonname, " .
+            . "vclocalename = :localname, vccommonname = :commonname, "
-		"vcemail = :email, code = :code, vcjabbername= :jabbername " .
+            . "vcemail = :email, code = :code, vcjabbername= :jabbername "
-		"where operatorid = :operatorid",
+            . "WHERE operatorid = :operatorid"),
         $values
-
     );
 }
 
-function update_operator_avatar($operatorid, $avatar)
+function update_operator_avatar($operator_id, $avatar)
 {
     $db = Database::getInstance();
     $db->query(
-		"update {chatoperator} set vcavatar = ? where operatorid = ?",
+        "UPDATE {chatoperator} SET vcavatar = ? WHERE operatorid = ?",
-		array($avatar, $operatorid)
+        array($avatar, $operator_id)
     );
 }
 
@@ -302,39 +333,47 @@ function update_operator_avatar($operatorid, $avatar)
  * @param string $login Operator's login
  * @param string $email Operator's
  * @param string $password Operator's password
- * @param string $localename Operator's local name
+ * @param string $locale_name Operator's local name
- * @param string $commonname Operator's international name
+ * @param string $common_name Operator's international name
  * @param string $avatar Operator's avatar
  * @param string $code Operator's code which use to start chat with specified
  *   operator
  * @return array Operator's array
  */
-function create_operator($login, $email, $password, $localename, $commonname, $avatar, $code) {
+function create_operator(
+    $login,
+    $email,
+    $password,
+    $locale_name,
+    $common_name,
+    $avatar,
+    $code
+) {
     $db = Database::getInstance();
     $db->query(
-		"INSERT INTO {chatoperator} (" .
+        ("INSERT INTO {chatoperator} ("
-			"vclogin, vcpassword, vclocalename, vccommonname, vcavatar, " .
+            . "vclogin, vcpassword, vclocalename, vccommonname, vcavatar, "
-			"vcemail, code, vcjabbername " .
+            . "vcemail, code, vcjabbername "
-		") VALUES (" .
+        . ") VALUES ("
-			":login, :pass, :localename, :commonname, :avatar, " .
+            . ":login, :pass, :localename, :commonname, :avatar, "
-			":email, :code, :jabber".
+            . ":email, :code, :jabber"
-		")",
+        . ")"),
         array(
             ':login' => $login,
             ':pass' => calculate_password_hash($login, $password),
-			':localename' => $localename,
+            ':localename' => $locale_name,
-			':commonname' => $commonname,
+            ':commonname' => $common_name,
             ':avatar' => $avatar,
             ':email' => $email,
             ':code' => $code,
-			':jabber' => ''
+            ':jabber' => '',
         )
     );
 
     $id = $db->insertedId();
 
     return $db->query(
-		"select * from {chatoperator} where operatorid = ?",
+        "SELECT * FROM {chatoperator} WHERE operatorid = ?",
         array($id),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
@@ -345,20 +384,21 @@ function create_operator($login, $email, $password, $localename, $commonname, $a
  *
  * This function remove operator and associations with groups for this operator
  * from datatabse.
- * It trigger 'operatorDelete' event and pass to event listeners associative
+ * It triggers 'operatorDelete' event and pass to event listeners associative
  * array with following keys:
  *  - 'id': int, deleted operator ID.
  *
  * @param int $operator_id Operator ID
  */
-function delete_operator($operator_id) {
+function delete_operator($operator_id)
+{
     $db = Database::getInstance();
     $db->query(
-		"delete from {chatgroupoperator} where operatorid = ?",
+        "DELETE FROM {chatgroupoperator} WHERE operatorid = ?",
         array($operator_id)
     );
     $db->query(
-		"delete from {chatoperator} where operatorid = ?",
+        "DELETE FROM {chatoperator} WHERE operatorid = ?",
         array($operator_id)
     );
 
@@ -375,20 +415,20 @@ function delete_operator($operator_id) {
  * @param int $istatus Operator status: '0' means 'available' and '1' means
  *   'away'
  */
-function notify_operator_alive($operatorid, $istatus)
+function notify_operator_alive($operator_id, $istatus)
 {
     $db = Database::getInstance();
     $db->query(
-		"update {chatoperator} set istatus = :istatus, dtmlastvisited = :now " .
+        ("UPDATE {chatoperator} SET istatus = :istatus, dtmlastvisited = :now "
-		"where operatorid = :operatorid",
+            . "WHERE operatorid = :operatorid"),
         array(
             ':istatus' => $istatus,
             ':now' => time(),
-			':operatorid' => $operatorid
+            ':operatorid' => $operator_id,
         )
     );
     if (isset($_SESSION[SESSION_PREFIX . "operator"])) {
-		if ($_SESSION[SESSION_PREFIX."operator"]['operatorid'] == $operatorid) {
+        if ($_SESSION[SESSION_PREFIX . "operator"]['operatorid'] == $operator_id) {
             $_SESSION[SESSION_PREFIX . "operator"]['istatus'] = $istatus;
         }
     }
@@ -396,26 +436,30 @@ function notify_operator_alive($operatorid, $istatus)
 
 /**
  * Indicates if at least one operator of the group is online
- * @param int $groupid Id of the group
+ * @param int $group_id Id of the group
  * @return boolean true if the group have online operators and false otherwise
  */
-function has_online_operators($groupid = "")
+function has_online_operators($group_id = "")
 {
     $db = Database::getInstance();
 
-	$query = "select count(*) as total, min(:now - dtmlastvisited) as time from {chatoperator}";
+    $query = "SELECT count(*) AS total, MIN(:now - dtmlastvisited) AS time "
+        . "FROM {chatoperator}";
     $values = array(':now' => time());
-	if ($groupid) {
+    if ($group_id) {
-		$query .= ", {chatgroupoperator}, {chatgroup} where {chatgroup}.groupid = {chatgroupoperator}.groupid and " .
+        $query .= ", {chatgroupoperator}, {chatgroup} "
-			"({chatgroup}.groupid = :groupid or {chatgroup}.parent = :groupid) and {chatoperator}.operatorid = " .
+            . "WHERE {chatgroup}.groupid = {chatgroupoperator}.groupid "
-			"{chatgroupoperator}.operatorid and istatus = 0";
+                . "AND ({chatgroup}.groupid = :groupid OR {chatgroup}.parent = :groupid) "
-		$values[':groupid'] = $groupid;
+                . "AND {chatoperator}.operatorid = {chatgroupoperator}.operatorid "
+                . "AND istatus = 0";
+        $values[':groupid'] = $group_id;
     } else {
         if (Settings::get('enablegroups') == 1) {
-			$query .= ", {chatgroupoperator} where {chatoperator}.operatorid = " .
+            $query .= ", {chatgroupoperator} "
-				"{chatgroupoperator}.operatorid and istatus = 0";
+                . "WHERE {chatoperator}.operatorid = {chatgroupoperator}.operatorid "
+                . "AND istatus = 0";
         } else {
-			$query .= " where istatus = 0";
+            $query .= " WHERE istatus = 0";
         }
     }
 
@@ -424,30 +468,31 @@ function has_online_operators($groupid = "")
         $values,
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
-	return $row['time'] < Settings::get('online_timeout') && $row['total'] > 0;
+
+    return ($row['time'] < Settings::get('online_timeout')) && ($row['total'] > 0);
 }
 
 /**
  * Indicates if operator online or not
  *
- * @param int $operatorid Id of the operator
+ * @param int $operator_id Id of the operator
  * @return boolean true if operator is online and false otherwise
  */
-function is_operator_online($operatorid)
+function is_operator_online($operator_id)
 {
     $db = Database::getInstance();
     $row = $db->query(
-		"select count(*) as total, " .
+        ("SELECT count(*) AS total, "
-		"min(:now - dtmlastvisited) as time " .
+            . "MIN(:now - dtmlastvisited) AS time "
-		"from {chatoperator} where operatorid = :operatorid",
+            . "FROM {chatoperator} WHERE operatorid = :operatorid"),
         array(
             ':now' => time(),
-			':operatorid' => $operatorid
+            ':operatorid' => $operator_id,
         ),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
 
-	return $row['time'] < Settings::get('online_timeout') && $row['total'] == 1;
+    return ($row['time'] < Settings::get('online_timeout')) && ($row['total'] == 1);
 }
 
 /**
@@ -458,17 +503,20 @@ function is_operator_online($operatorid)
  */
 function get_operator_name($operator)
 {
-	if (HOME_LOCALE == CURRENT_LOCALE)
+    if (HOME_LOCALE == CURRENT_LOCALE) {
         return $operator['vclocalename'];
-	else
+    } else {
         return $operator['vccommonname'];
     }
+}
 
 function append_query($link, $pv)
 {
     $infix = '?';
-	if (strstr($link, $infix) !== FALSE)
+    if (strstr($link, $infix) !== false) {
         $infix = '&amp;';
+    }
+
     return "$link$infix$pv";
 }
 
@@ -485,13 +533,20 @@ function append_query($link, $pv)
  * @return null|array Array with operator info if operator is logged in and
  *   null otherwise.
  */
-function check_login($redirect = true) {
+function check_login($redirect = true)
+{
     if (!isset($_SESSION[SESSION_PREFIX . "operator"])) {
         if (isset($_COOKIE[REMEMBER_OPERATOR_COOKIE_NAME])) {
             list($login, $pwd) = preg_split('/\x0/', base64_decode($_COOKIE[REMEMBER_OPERATOR_COOKIE_NAME]), 2);
             $op = operator_by_login($login);
-			if ($op && isset($pwd) && isset($op['vcpassword']) && calculate_password_hash($op['vclogin'], $op['vcpassword']) == $pwd && !operator_is_disabled($op)) {
+            $can_login = $op
+                && isset($pwd)
+                && isset($op['vcpassword'])
+                && calculate_password_hash($op['vclogin'], $op['vcpassword']) == $pwd
+                && !operator_is_disabled($op);
+            if ($can_login) {
                 $_SESSION[SESSION_PREFIX . "operator"] = $op;
+
                 return $op;
             }
         }
@@ -516,6 +571,7 @@ function check_login($redirect = true) {
             return null;
         }
     }
+
     return $_SESSION[SESSION_PREFIX . "operator"];
 }
 
@@ -530,7 +586,9 @@ function force_password($operator)
 
 function get_logged_in()
 {
-	return isset($_SESSION[SESSION_PREFIX."operator"]) ? $_SESSION[SESSION_PREFIX."operator"] : FALSE;
+    return isset($_SESSION[SESSION_PREFIX . "operator"])
+        ? $_SESSION[SESSION_PREFIX . "operator"]
+        : false;
 }
 
 /**
@@ -545,12 +603,20 @@ function get_logged_in()
  * @param boolean $remember Indicates if system should remember operator
  * @param boolean $https Indicates if cookie should be flagged as a secure one
  */
-function login_operator($operator, $remember, $https = FALSE) {
+function login_operator($operator, $remember, $https = false)
+{
     $_SESSION[SESSION_PREFIX . "operator"] = $operator;
     if ($remember) {
-		$value = base64_encode($operator['vclogin'] . "\x0" . calculate_password_hash($operator['vclogin'], $operator['vcpassword']));
+        $password_hash = calculate_password_hash($operator['vclogin'], $operator['vcpassword']);
-		setcookie(REMEMBER_OPERATOR_COOKIE_NAME, $value, time() + 60 * 60 * 24 * 1000, MIBEW_WEB_ROOT . "/", NULL, $https, TRUE);
+        setcookie(
-
+            REMEMBER_OPERATOR_COOKIE_NAME,
+            base64_encode($operator['vclogin'] . "\x0" . $password_hash),
+            time() + 60 * 60 * 24 * 1000,
+            MIBEW_WEB_ROOT . "/",
+            null,
+            $https,
+            true
+        );
     } elseif (isset($_COOKIE[REMEMBER_OPERATOR_COOKIE_NAME])) {
         setcookie(REMEMBER_OPERATOR_COOKIE_NAME, '', time() - 3600, MIBEW_WEB_ROOT . "/");
     }
@@ -558,7 +624,7 @@ function login_operator($operator, $remember, $https = FALSE) {
     // Trigger login event
     $args = array(
         'operator' => $operator,
-		'remember' => $remember
+        'remember' => $remember,
     );
     $dispatcher = EventDispatcher::getInstance();
     $dispatcher->triggerEvent('operatorLogin', $args);
@@ -569,7 +635,8 @@ function login_operator($operator, $remember, $https = FALSE) {
  *
  * Triggers 'operatorLogout' event after operator logged out.
  */
-function logout_operator() {
+function logout_operator()
+{
     unset($_SESSION[SESSION_PREFIX . "operator"]);
     unset($_SESSION['backpath']);
     if (isset($_COOKIE[REMEMBER_OPERATOR_COOKIE_NAME])) {
@@ -581,29 +648,34 @@ function logout_operator() {
     $dispatcher->triggerEvent('operatorLogout');
 }
 
-function setup_redirect_links($threadid, $operator, $token) {
+function setup_redirect_links($threadid, $operator, $token)
+{
     $result = array();
 
     $operator_in_isolation = in_isolation($operator);
 
-	$list_options = $operator_in_isolation?array('isolated_operator_id' => $operator['operatorid']):array();
+    $list_options = $operator_in_isolation
+        ? array('isolated_operator_id' => $operator['operatorid'])
+        : array();
     $operators = get_operators_list($list_options);
-	$operatorscount = count($operators);
+    $operators_count = count($operators);
 
-	$groupscount = 0;
+    $groups_count = 0;
     $groups = array();
     if (Settings::get('enablegroups') == "1") {
-		$groupslist = $operator_in_isolation?get_groups_for_operator($operator, true):get_groups(true);
+        $groupslist = $operator_in_isolation
+            ? get_groups_for_operator($operator, true)
+            : get_groups(true);
         foreach ($groupslist as $group) {
             if ($group['inumofagents'] == 0) {
                 continue;
             }
             $groups[] = $group;
         }
-		$groupscount = count($groups);
+        $groups_count = count($groups);
     }
 
-	$p = pagination_info(max($operatorscount, $groupscount), 8);
+    $p = pagination_info(max($operators_count, $groups_count), 8);
     $result['pagination'] = $p;
 
     $operators = array_slice($operators, $p['start'], $p['end'] - $p['start']);
@@ -616,13 +688,12 @@ function setup_redirect_links($threadid, $operator, $token) {
         $status = $agent['time'] < Settings::get('online_timeout')
             ? ($agent['istatus'] == 0
                 ? getlocal("char.redirect.operator.online_suff")
-						: getlocal("char.redirect.operator.away_suff")
+                : getlocal("char.redirect.operator.away_suff"))
-				)
             : "";
-		$agent_list .= "<li><a href=\"" . add_params(MIBEW_WEB_ROOT . "/operator/redirect.php", $params) .
+        $agent_list .= "<li><a href=\"" . add_params(MIBEW_WEB_ROOT . "/operator/redirect.php", $params)
-					   "\" title=\"" . topage(get_operator_name($agent)) . "\">" .
+            . "\" title=\"" . to_page(get_operator_name($agent)) . "\">"
-					   topage(get_operator_name($agent)) .
+            . to_page(get_operator_name($agent))
-					   "</a> $status</li>";
+            . "</a> $status</li>";
     }
     $result['redirectToAgent'] = $agent_list;
 
@@ -631,15 +702,13 @@ function setup_redirect_links($threadid, $operator, $token) {
         $params = array('thread' => $threadid, 'token' => $token);
         foreach ($groups as $group) {
             $params['nextGroup'] = $group['groupid'];
-			$status = $group['ilastseen'] !== NULL && $group['ilastseen'] < Settings::get('online_timeout')
+            $status = group_is_online($group)
                 ? getlocal("char.redirect.operator.online_suff")
-					: ($group['ilastseenaway'] !== NULL && $group['ilastseenaway'] < Settings::get('online_timeout')
+                : (group_is_away($group) ? getlocal("char.redirect.operator.away_suff") : "");
-							? getlocal("char.redirect.operator.away_suff")
+            $group_list .= "<li><a href=\"" . add_params(MIBEW_WEB_ROOT . "/operator/redirect.php", $params)
-							: "");
+                . "\" title=\"" . to_page(get_group_name($group)) . "\">"
-			$group_list .= "<li><a href=\"" . add_params(MIBEW_WEB_ROOT . "/operator/redirect.php", $params) .
+                . to_page(get_group_name($group))
-						   "\" title=\"" . topage(get_group_name($group)) . "\">" .
+                . "</a> $status</li>";
-						   topage(get_group_name($group)) .
-						   "</a> $status</li>";
         }
     }
     $result['redirectToGroup'] = $group_list;
@@ -650,26 +719,31 @@ function setup_redirect_links($threadid, $operator, $token) {
 function get_permission_list()
 {
     static $permission_list = array();
+
     if (count($permission_list) == 0) {
-		foreach (permission_ids() as $permid) {
+        foreach (permission_ids() as $perm_id) {
             $permission_list[] = array(
-				'id' => $permid,
+                'id' => $perm_id,
-				'descr' => getlocal("permission.$permid")
+                'descr' => getlocal("permission.$perm_id"),
             );
         }
     }
+
     return $permission_list;
 }
 
 function is_capable($perm, $operator)
 {
     $permissions = $operator && isset($operator['iperm']) ? $operator['iperm'] : 0;
+
     return $perm >= 0 && $perm < 32 && ($permissions & (1 << $perm)) != 0;
 }
 
 function in_isolation($operator)
 {
-	return (!is_capable(CAN_ADMINISTRATE, $operator) && Settings::get('enablegroups') && Settings::get('enablegroupsisolation'));
+    return !is_capable(CAN_ADMINISTRATE, $operator)
+        && Settings::get('enablegroups')
+        && Settings::get('enablegroupsisolation');
 }
 
 /**
@@ -682,11 +756,12 @@ function in_isolation($operator)
  *   Default value is TRUE.
  * @return array
  */
-function prepare_menu($operator, $hasright = true) {
+function prepare_menu($operator, $has_right = true)
+{
     $result = array();
 
-	$result['operator'] = topage(get_operator_name($operator));
+    $result['operator'] = to_page(get_operator_name($operator));
-	if ($hasright) {
+    if ($has_right) {
         $result['showban'] = Settings::get('enableban') == "1";
         $result['showstat'] = Settings::get('enablestatistics') == "1";
         $result['showadmin'] = is_capable(CAN_ADMINISTRATE, $operator);
@@ -700,49 +775,67 @@ function get_all_groups()
 {
     $db = Database::getInstance();
     $groups = $db->query(
-		"select {chatgroup}.groupid as groupid, parent, vclocalname, vclocaldescription " .
+        ("SELECT {chatgroup}.groupid AS groupid, parent, "
-		"from {chatgroup} order by vclocalname",
+            . "vclocalname, vclocaldescription "
-		NULL,
+            . "FROM {chatgroup} ORDER BY vclocalname"),
+        null,
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
+
     return get_sorted_child_groups_($groups);
 }
 
 function get_all_groups_for_operator($operator)
 {
     $db = Database::getInstance();
-	$query = "select g.groupid as groupid, g.parent, g.vclocalname, g.vclocaldescription " .
+    $query = "SELECT g.groupid AS groupid, g.parent, g.vclocalname, g.vclocaldescription "
-		"from {chatgroup} g, " .
+        . "FROM {chatgroup} g, "
-		"(select distinct parent from {chatgroup}, {chatgroupoperator} " .
+        . "(SELECT DISTINCT parent FROM {chatgroup}, {chatgroupoperator} "
-		"where {chatgroup}.groupid = {chatgroupoperator}.groupid " .
+            . "WHERE {chatgroup}.groupid = {chatgroupoperator}.groupid "
-		"and {chatgroupoperator}.operatorid = ?) i " .
+                . "AND {chatgroupoperator}.operatorid = ?) i "
-		"where g.groupid = i.parent or g.parent = i.parent " .
+        . "WHERE g.groupid = i.parent OR g.parent = i.parent "
-		"order by vclocalname";
+        . "ORDER BY vclocalname";
 
     $groups = $db->query(
         $query,
         array($operator['operatorid']),
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
+
     return get_sorted_child_groups_($groups);
 }
 
-function get_sorted_child_groups_($groupslist, $skipgroups = array(), $maxlevel = -1, $groupid = NULL, $level = 0)
+function get_sorted_child_groups_(
-{
+    $groups_list,
+    $skip_groups = array(),
+    $max_level = -1,
+    $group_id = null,
+    $level = 0
+) {
     $child_groups = array();
-	foreach ($groupslist as $index => $group) {
+    foreach ($groups_list as $index => $group) {
-		if ($group['parent'] == $groupid && !in_array($group['groupid'], $skipgroups)) {
+        if ($group['parent'] == $group_id && !in_array($group['groupid'], $skip_groups)) {
             $group['level'] = $level;
             $child_groups[] = $group;
-			if ($maxlevel == -1 || $level < $maxlevel) {
+            if ($max_level == -1 || $level < $max_level) {
-				$child_groups = array_merge($child_groups, get_sorted_child_groups_($groupslist, $skipgroups, $maxlevel, $group['groupid'], $level+1));
+                $child_groups = array_merge(
+                    $child_groups,
+                    get_sorted_child_groups_(
+                        $groups_list,
+                        $skip_groups,
+                        $max_level,
+                        $group['groupid'],
+                        $level + 1
+                    )
+                );
             }
         }
     }
+
     return $child_groups;
 }
 
-function get_groups_($checkaway, $operator, $order = NULL)
+function get_groups_($check_away, $operator, $order = null)
 {
     $db = Database::getInstance();
     if ($order) {
@@ -756,69 +849,83 @@ function get_groups_($checkaway, $operator, $order = NULL)
             default:
                 $orderby = "{chatgroup}.vclocalname";
         }
-		$orderby = sprintf(" IF(ISNULL({chatgroup}.parent),CONCAT('_',%s),'') %s, {chatgroup}.iweight ",
+        $orderby = sprintf(
+            " IF(ISNULL({chatgroup}.parent),CONCAT('_',%s),'') %s, {chatgroup}.iweight ",
             $orderby,
-					($order['desc']?'DESC':'ASC'));
+            ($order['desc'] ? 'DESC' : 'ASC')
+        );
     } else {
         $orderby = "iweight, vclocalname";
     }
 
     $values = array(
-		':now' => time()
+        ':now' => time(),
     );
-	$query = "select {chatgroup}.groupid as groupid, {chatgroup}.parent as parent, vclocalname, vclocaldescription, iweight" .
+    $query = "SELECT {chatgroup}.groupid AS groupid, "
-		", (SELECT count(*) from {chatgroupoperator} where {chatgroup}.groupid = " .
+        . "{chatgroup}.parent AS parent, "
-		"{chatgroupoperator}.groupid) as inumofagents" .
+        . "vclocalname, vclocaldescription, iweight, "
-		", (SELECT min(:now - dtmlastvisited) as time " .
+        . "(SELECT count(*) "
-		"from {chatgroupoperator}, {chatoperator} where istatus = 0 and " .
+            . "FROM {chatgroupoperator} "
-		"{chatgroup}.groupid = {chatgroupoperator}.groupid " .
+            . "WHERE {chatgroup}.groupid = {chatgroupoperator}.groupid"
-		"and {chatgroupoperator}.operatorid = {chatoperator}.operatorid) as ilastseen" .
+        . ") AS inumofagents, "
-		($checkaway
+        . "(SELECT MIN(:now - dtmlastvisited) AS time "
-			? ", (SELECT min(:now - dtmlastvisited) as time " .
+            . "FROM {chatgroupoperator}, {chatoperator} "
-			"from {chatgroupoperator}, {chatoperator} where istatus <> 0 and " .
+            . "WHERE istatus = 0 "
-			"{chatgroup}.groupid = {chatgroupoperator}.groupid " .
+                . "AND {chatgroup}.groupid = {chatgroupoperator}.groupid "
-			"and {chatgroupoperator}.operatorid = {chatoperator}.operatorid) as ilastseenaway"
+                . "AND {chatgroupoperator}.operatorid = {chatoperator}.operatorid" .
-			: ""
+        ") AS ilastseen"
-		) .
+        . ($check_away
-		" from {chatgroup} ";
+            ? ", (SELECT MIN(:now - dtmlastvisited) AS time "
+                    . "FROM {chatgroupoperator}, {chatoperator} "
+                    . "WHERE istatus <> 0 "
+                    . "AND {chatgroup}.groupid = {chatgroupoperator}.groupid "
+                    . "AND {chatgroupoperator}.operatorid = {chatoperator}.operatorid"
+                . ") AS ilastseenaway"
+            : "")
+        . " FROM {chatgroup} ";
 
     if ($operator) {
-		$query .= ", (select distinct parent from {chatgroup}, {chatgroupoperator} " .
+        $query .= ", (SELECT DISTINCT parent "
-			"where {chatgroup}.groupid = {chatgroupoperator}.groupid and {chatgroupoperator}.operatorid = :operatorid) i " .
+            . "FROM {chatgroup}, {chatgroupoperator} "
-			"where {chatgroup}.groupid = i.parent or {chatgroup}.parent = i.parent ";
+            . "WHERE {chatgroup}.groupid = {chatgroupoperator}.groupid "
+                . "AND {chatgroupoperator}.operatorid = :operatorid) i "
+            . "WHERE {chatgroup}.groupid = i.parent OR {chatgroup}.parent = i.parent ";
+
         $values[':operatorid'] = $operator['operatorid'];
     }
 
-	$query .= " order by " . $orderby;
+    $query .= " ORDER BY " . $orderby;
     $groups = $db->query(
         $query,
         $values,
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
+
     return get_sorted_child_groups_($groups);
 }
 
-function get_groups($checkaway)
+function get_groups($check_away)
 {
-	return get_groups_($checkaway, NULL);
+    return get_groups_($check_away, null);
 }
 
-function get_groups_for_operator($operator, $checkaway)
+function get_groups_for_operator($operator, $check_away)
 {
-	return get_groups_($checkaway, $operator);
+    return get_groups_($check_away, $operator);
 }
 
 function get_sorted_groups($order)
 {
-	return get_groups_(true, NULL, $order);
+    return get_groups_(true, null, $order);
 }
 
-function get_operator_groupids($operatorid)
+function get_operator_group_ids($operator_id)
 {
     $db = Database::getInstance();
+
     return $db->query(
-		"select groupid from {chatgroupoperator} where operatorid = ?",
+        "SELECT groupid FROM {chatgroupoperator} WHERE operatorid = ?",
-		array($operatorid),
+        array($operator_id),
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
 }
@@ -841,8 +948,7 @@ function calculate_password_hash($login, $password)
     if (CRYPT_BLOWFISH == 1) {
         if (defined('PHP_VERSION_ID') && (PHP_VERSION_ID > 50306)) {
             $hash = crypt($password, '$2y$08$' . $login);
-		}
+        } else {
-		else {
             $hash = crypt($password, '$2a$08$' . $login);
         }
     }
@@ -868,26 +974,23 @@ function check_password_hash($login, $password, $hash)
 {
     if (preg_match('/^\$/', $hash)) {
         return !strcmp(calculate_password_hash($login, $password), $hash);
-	}
+    } else {
-	else {
         return !strcmp(md5($password), $hash);
     }
 }
 
-function update_operator_groups($operatorid, $newvalue)
+function update_operator_groups($operator_id, $new_value)
 {
     $db = Database::getInstance();
     $db->query(
-		"delete from {chatgroupoperator} where operatorid = ?",
+        "DELETE FROM {chatgroupoperator} WHERE operatorid = ?",
-		array($operatorid)
+        array($operator_id)
     );
 
-	foreach ($newvalue as $groupid) {
+    foreach ($new_value as $group_id) {
         $db->query(
-			"insert into {chatgroupoperator} (groupid, operatorid) values (?,?)",
+            "INSERT INTO {chatgroupoperator} (groupid, operatorid) VALUES (?,?)",
-			array($groupid, $operatorid)
+            array($group_id, $operator_id)
         );
     }
 }
-
-?>

src/mibew/libs/operator_settings.php

@@ -15,7 +15,6 @@
  * limitations under the License.
  */
 
-
 /**
  * Builds list of operator settings tabs. The keys of the resulting array are
  * tabs titles and the values are tabs URLs.
@@ -24,19 +23,26 @@
  * @param int $active Number of the active tab. The count starts from 0.
  * @return array Tabs list
  */
-function setup_operator_settings_tabs($operator_id, $active) {
+function setup_operator_settings_tabs($operator_id, $active)
+{
     $tabs = array();
 
     if ($operator_id) {
         $tabs = array(
-			getlocal("page_agent.tab.main") => $active != 0 ? (MIBEW_WEB_ROOT . "/operator/operator.php?op=" . $operator_id) : "",
+            getlocal("page_agent.tab.main") => ($active != 0
-			getlocal("page_agent.tab.avatar") => $active != 1 ? (MIBEW_WEB_ROOT . "/operator/avatar.php?op=" . $operator_id) : "",
+                ? (MIBEW_WEB_ROOT . "/operator/operator.php?op=" . $operator_id)
-			getlocal("page_agent.tab.groups") => $active != 2 ? (MIBEW_WEB_ROOT . "/operator/opgroups.php?op=" . $operator_id) : "",
+                : ""),
-			getlocal("page_agent.tab.permissions") => $active != 3 ? (MIBEW_WEB_ROOT . "/operator/permissions.php?op=" . $operator_id) : ""
+            getlocal("page_agent.tab.avatar") => ($active != 1
+                ? (MIBEW_WEB_ROOT . "/operator/avatar.php?op=" . $operator_id)
+                : ""),
+            getlocal("page_agent.tab.groups") => ($active != 2
+                ? (MIBEW_WEB_ROOT . "/operator/opgroups.php?op=" . $operator_id)
+                : ""),
+            getlocal("page_agent.tab.permissions") => ($active != 3
+                ? (MIBEW_WEB_ROOT . "/operator/permissions.php?op=" . $operator_id)
+                : ""),
         );
     }
 
     return $tabs;
 }
-
-?>

src/mibew/libs/pagination.php

@@ -32,10 +32,12 @@ define('PAGINATION_LINKS_ON_PAGE', 5);
  * @param string $title Link title
  * @return string HTML markup
  */
-function generate_pagination_link($page, $title) {
+function generate_pagination_link($page, $title)
+{
     $lnk = $_SERVER['REQUEST_URI'];
     $href = preg_replace("/\?page=\d+\&/", "?", preg_replace("/\&page=\d+/", "", $lnk));
     $href .= strstr($href, "?") ? "&page=$page" : "?page=$page";
+
     return "<a href=\"" . htmlspecialchars($href) . "\" class=\"pagelink\">$title</a>";
 }
 
@@ -47,7 +49,8 @@ function generate_pagination_link($page, $title) {
  * @param string $alt Value of an 'alt' atribute of the image tag.
  * @return string HTML markup
  */
-function generate_pagination_image($style_path, $id, $alt) {
+function generate_pagination_image($style_path, $id, $alt)
+{
     return "<img src=\"" . $style_path . "/images/$id.gif\" border=\"0\" alt=\"" . htmlspecialchars($alt) . "\"/>";
 }
 
@@ -65,15 +68,16 @@ function generate_pagination_image($style_path, $id, $alt) {
  *   - start: int, index of item to start from.
  *   - end: int, index of item to end at.
  */
-function pagination_info($items_count, $default_items_per_page = 15) {
+function pagination_info($items_count, $default_items_per_page = 15)
+{
     if ($items_count) {
-		$items_per_page = verifyparam("items", "/^\d{1,3}$/", $default_items_per_page);
+        $items_per_page = verify_param("items", "/^\d{1,3}$/", $default_items_per_page);
         if ($items_per_page < 2) {
             $items_per_page = 2;
         }
 
         $total_pages = div($items_count + $items_per_page - 1, $items_per_page);
-		$curr_page = verifyparam("page", "/^\d{1,6}$/", 1);
+        $curr_page = verify_param("page", "/^\d{1,6}$/", 1);
 
         if ($curr_page < 1) {
             $curr_page = 1;
@@ -108,7 +112,8 @@ function pagination_info($items_count, $default_items_per_page = 15) {
  *     pagination_info function for details.
  *   - items: slice of items to display.
  */
-function setup_pagination($items, $default_items_per_page = 15) {
+function setup_pagination($items, $default_items_per_page = 15)
+{
     if (count($items) > 0) {
         $info = pagination_info(count($items), $default_items_per_page);
         if ($info) {
@@ -117,6 +122,7 @@ function setup_pagination($items, $default_items_per_page = 15) {
                 $info['start'],
                 $info['end'] - $info['start']
             );
+
             return array(
                 'info' => $info,
                 'items' => $items_slice,
@@ -140,7 +146,8 @@ function setup_pagination($items, $default_items_per_page = 15) {
  * page.
  * @return string HTML markup
  */
-function generate_pagination($style_path, $pagination, $bottom = true) {
+function generate_pagination($style_path, $pagination, $bottom = true)
+{
     $result = getlocal2(
         "tag.pagination.info",
         array(
@@ -148,7 +155,7 @@ function generate_pagination($style_path, $pagination, $bottom = true) {
             $pagination['total'],
             $pagination['start'] + 1,
             $pagination['end'],
-			$pagination['count']
+            $pagination['count'],
         )
     ) . "<br/>";
 
@@ -161,8 +168,8 @@ function generate_pagination($style_path, $pagination, $bottom = true) {
         $result .= "<div class='pagination'>";
         $curr_page = $pagination['page'];
 
-		$minPage = max($curr_page - PAGINATION_LINKS_ON_PAGE, 1);
+        $min_page = max($curr_page - PAGINATION_LINKS_ON_PAGE, 1);
-		$maxPage = min($curr_page + PAGINATION_LINKS_ON_PAGE, $pagination['total']);
+        $max_page = min($curr_page + PAGINATION_LINKS_ON_PAGE, $pagination['total']);
 
         if ($curr_page > 1) {
             $result .= generate_pagination_link(
@@ -175,15 +182,17 @@ function generate_pagination($style_path, $pagination, $bottom = true) {
             ) . PAGINATION_SPACING;
         }
 
-		for ($i = $minPage; $i <= $maxPage; $i++) {
+        for ($i = $min_page; $i <= $max_page; $i++) {
-			$title = abs($curr_page - $i) >= PAGINATION_LINKS_ON_PAGE && $i != 1 ? "..." : $i;
+            $title = (abs($curr_page - $i) >= PAGINATION_LINKS_ON_PAGE && $i != 1) ? "..." : $i;
-			if ($i != $curr_page)
+            if ($i != $curr_page) {
                 $result .= generate_pagination_link($i, $title);
-			else
+            } else {
                 $result .= "<span class=\"pagecurrent\">$title</span>";
-			if ($i < $maxPage)
+            }
+            if ($i < $max_page) {
                 $result .= PAGINATION_SPACING;
             }
+        }
 
         if ($curr_page < $pagination['total']) {
             $result .= PAGINATION_SPACING . generate_pagination_link(
@@ -197,7 +206,6 @@ function generate_pagination($style_path, $pagination, $bottom = true) {
         }
         $result .= "</div>";
     }
+
     return $result;
 }
-
-?>

src/mibew/libs/settings.php

@@ -25,20 +25,31 @@ use Mibew\Settings;
  * @param int $active Number of the active tab. The count starts from 0.
  * @return array Tabs list
  */
-function setup_settings_tabs($active) {
+function setup_settings_tabs($active)
+{
     $tabs = array(
-		getlocal("page_settings.tab.main") => $active != 0 ? (MIBEW_WEB_ROOT . "/operator/settings.php") : "",
+        getlocal("page_settings.tab.main") => ($active != 0
-		getlocal("page_settings.tab.features") => $active != 1 ? (MIBEW_WEB_ROOT . "/operator/features.php") : "",
+            ? (MIBEW_WEB_ROOT . "/operator/settings.php")
-		getlocal("page_settings.tab.performance") => $active != 2 ? (MIBEW_WEB_ROOT . "/operator/performance.php") : "",
+            : ""),
-		getlocal("page_settings.tab.page_themes") => $active != 3 ? (MIBEW_WEB_ROOT . "/operator/page_themes.php") : "",
+        getlocal("page_settings.tab.features") => ($active != 1
-		getlocal("page_settings.tab.themes") => $active != 4 ? (MIBEW_WEB_ROOT . "/operator/themes.php") : "",
+            ? (MIBEW_WEB_ROOT . "/operator/features.php")
+            : ""),
+        getlocal("page_settings.tab.performance") => ($active != 2
+            ? (MIBEW_WEB_ROOT . "/operator/performance.php")
+            : ""),
+        getlocal("page_settings.tab.page_themes") => ($active != 3
+            ? (MIBEW_WEB_ROOT . "/operator/page_themes.php")
+            : ""),
+        getlocal("page_settings.tab.themes") => ($active != 4
+            ? (MIBEW_WEB_ROOT . "/operator/themes.php")
+            : ""),
     );
 
     if (Settings::get('enabletracking')) {
-		$tabs[getlocal("page_settings.tab.invitationthemes")] = ($active != 5 ? (MIBEW_WEB_ROOT . "/operator/invitationthemes.php") : "");
+        $tabs[getlocal("page_settings.tab.invitationthemes")] = ($active != 5
+            ? (MIBEW_WEB_ROOT . "/operator/invitationthemes.php")
+            : "");
     }
 
     return $tabs;
 }
-
-?>

src/mibew/libs/statistics.php

@@ -29,6 +29,7 @@ function get_statistics_query($type)
         $query = preg_replace("/(\?|\&)type=\w+/", "", $query);
     }
     $query .= strstr($query, "?") ? "&type=$type" : "?type=$type";
+
     return $query;
 }
 
@@ -39,14 +40,21 @@ function get_statistics_query($type)
  * @param int $active Number of the active tab. The count starts from 0.
  * @return array Tabs list
  */
-function setup_statistics_tabs($active) {
+function setup_statistics_tabs($active)
+{
     $tabs = array(
-		getlocal("report.bydate.title") => $active != 0 ? (MIBEW_WEB_ROOT . "/operator/statistics.php".get_statistics_query('bydate')) : "",
+        getlocal("report.bydate.title") => ($active != 0
-		getlocal("report.byoperator.title") => $active != 1 ? (MIBEW_WEB_ROOT . "/operator/statistics.php".get_statistics_query('byagent')) : ""
+            ? (MIBEW_WEB_ROOT . "/operator/statistics.php" . get_statistics_query('bydate'))
+            : ""),
+        getlocal("report.byoperator.title") => ($active != 1
+            ? (MIBEW_WEB_ROOT . "/operator/statistics.php" . get_statistics_query('byagent'))
+            : "")
     );
 
     if (Settings::get('enabletracking')) {
-		$tabs[getlocal("report.bypage.title")] = ($active != 2 ? (MIBEW_WEB_ROOT . "/operator/statistics.php".get_statistics_query('bypage')) : "");
+        $tabs[getlocal("report.bypage.title")] = ($active != 2
+            ? (MIBEW_WEB_ROOT . "/operator/statistics.php" . get_statistics_query('bypage'))
+            : "");
     }
 
     return $tabs;
@@ -55,7 +63,8 @@ function setup_statistics_tabs($active) {
 /**
  * Calculate aggregated 'by thread' statistics
  */
-function calculate_thread_statistics() {
+function calculate_thread_statistics()
+{
     // Prepare database
     $db = Database::getInstance();
     $db_throw_exceptions = $db->throwExeptions(true);
@@ -79,40 +88,40 @@ function calculate_thread_statistics() {
         // Calculate statistics
         // Get base threads info
         $db_results = $db->query(
-			"SELECT (FLOOR(t.dtmcreated / :interval) * :interval) AS date, " .
+            ("SELECT (FLOOR(t.dtmcreated / :interval) * :interval) AS date, "
-				"COUNT(t.threadid) AS threads, " .
+                . "COUNT(t.threadid) AS threads, "
-				"SUM(tmp.operator_msgs) AS operator_msgs, " .
+                . "SUM(tmp.operator_msgs) AS operator_msgs, "
-				"SUM(tmp.user_msgs) AS user_msgs, " .
+                . "SUM(tmp.user_msgs) AS user_msgs, "
                 // Prevent negative values of avgchattime field.
                 // If avgchattime < 0 it becomes to zero.
                 // For random value 'a' result of expression ((abs(a) + a) / 2)
                 // equals to 'a' if 'a' more than zero
                 // and equals to zero otherwise
-				"ROUND(AVG( " .
+                . "ROUND(AVG( "
-					"ABS(tmp.last_msg_time - t.dtmchatstarted) + " .
+                    . "ABS(tmp.last_msg_time - t.dtmchatstarted) + "
-					"(tmp.last_msg_time - t.dtmchatstarted) " .
+                        . "(tmp.last_msg_time - t.dtmchatstarted) "
-				")/2,1) as avg_chat_time " .
+                . ")/2,1) AS avg_chat_time "
-			"FROM {chatthread} t, " .
+            . "FROM {chatthread} t, "
-				"(SELECT SUM(m.ikind = :kind_agent) AS operator_msgs, " .
+            . "(SELECT SUM(m.ikind = :kind_agent) AS operator_msgs, "
-					"SUM(m.ikind = :kind_user) AS user_msgs, " .
+                    . "SUM(m.ikind = :kind_user) AS user_msgs, "
-					"MAX(m.dtmcreated) as last_msg_time, " .
+                    . "MAX(m.dtmcreated) as last_msg_time, "
-					"threadid " .
+                    . "threadid "
-				"FROM {chatmessage} m " .
+                . "FROM {chatmessage} m "
                 // Calculate only users' and operators' messages
-				"WHERE m.ikind = :kind_user " .
+                . "WHERE m.ikind = :kind_user "
-					"OR m.ikind = :kind_agent " .
+                    . "OR m.ikind = :kind_agent "
-				"GROUP BY m.threadid) tmp " .
+                . "GROUP BY m.threadid) tmp "
-			"WHERE t.threadid = tmp.threadid " .
+            . "WHERE t.threadid = tmp.threadid "
-				"AND (t.dtmcreated - :start) > :interval " .
+                . "AND (t.dtmcreated - :start) > :interval "
                 // Calculate statistics only for threads that older than
                 // statistics_aggregation_interval
-				"AND (:today - t.dtmcreated) > :interval " .
+                . "AND (:today - t.dtmcreated) > :interval "
                 // Ignore threads when operator does not start chat
-				"AND t.dtmchatstarted <> 0 " .
+                . "AND t.dtmchatstarted <> 0 "
                 // Ignore not accepted invitations
-				"AND (t.invitationstate = :not_invited " .
+                . "AND (t.invitationstate = :not_invited "
-					"OR t.invitationstate = :invitation_accepted) " .
+                    . "OR t.invitationstate = :invitation_accepted) "
-			"GROUP BY date",
+            . "GROUP BY date"),
             array(
                 ':start' => $start,
                 ':today' => $today,
@@ -120,7 +129,7 @@ function calculate_thread_statistics() {
                 ':not_invited' => Thread::INVITATION_NOT_INVITED,
                 ':invitation_accepted' => Thread::INVITATION_ACCEPTED,
                 ':kind_agent' => Thread::KIND_AGENT,
-				':kind_user' => Thread::KIND_USER
+                ':kind_user' => Thread::KIND_USER,
             ),
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
@@ -134,23 +143,23 @@ function calculate_thread_statistics() {
 
         // Get info about missed threads
         $db_results = $db->query(
-			"SELECT (FLOOR(dtmcreated / :interval) * :interval) AS date, " .
+            ("SELECT (FLOOR(dtmcreated / :interval) * :interval) AS date, "
-				"COUNT(*) as missed_threads " .
+                . "COUNT(*) as missed_threads "
-			"FROM {chatthread} " .
+            . "FROM {chatthread} "
-			"WHERE (dtmcreated - :start) > :interval " .
+            . "WHERE (dtmcreated - :start) > :interval "
                 // Calculate statistics only for threads that older than
                 // statistics_aggregation_interval
-				"AND (:today - dtmcreated) > :interval " .
+                . "AND (:today - dtmcreated) > :interval "
                 // Ignore threads when operator does not start chat
-				"AND dtmchatstarted = 0 " .
+                . "AND dtmchatstarted = 0 "
                 // Ignore not accepted invitations
-				"AND invitationstate = :not_invited " .
+                . "AND invitationstate = :not_invited "
-			"GROUP BY date ORDER BY date DESC",
+            . "GROUP BY date ORDER BY date DESC"),
             array(
                 ':start' => $start,
                 ':today' => $today,
                 ':interval' => $interval,
-				':not_invited' => Thread::INVITATION_NOT_INVITED
+                ':not_invited' => Thread::INVITATION_NOT_INVITED,
             ),
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
@@ -164,23 +173,23 @@ function calculate_thread_statistics() {
 
         // Get info about average waiting time.
         $db_results = $db->query(
-			"SELECT (FLOOR(dtmcreated / :interval) * :interval) AS date, " .
+            ("SELECT (FLOOR(dtmcreated / :interval) * :interval) AS date, "
-				"ROUND(AVG(dtmchatstarted-dtmcreated),1) AS avg_waiting_time " .
+                . "ROUND(AVG(dtmchatstarted-dtmcreated),1) AS avg_waiting_time "
-			"FROM {chatthread} " .
+            . "FROM {chatthread} "
-			"WHERE (dtmcreated - :start) > :interval " .
+            . "WHERE (dtmcreated - :start) > :interval "
                 // Calculate statistics only for threads that older than
                 // statistics_aggregation_interval
-				"AND (:today - dtmcreated) > :interval " .
+                . "AND (:today - dtmcreated) > :interval "
                 // Ignore threads when operator does not start chat
-				"AND dtmchatstarted <> 0 " .
+                . "AND dtmchatstarted <> 0 "
                 // Ignore all invitations
-				"AND invitationstate = :not_invited " .
+                . "AND invitationstate = :not_invited "
-			"GROUP BY date",
+            . "GROUP BY date"),
             array(
                 ':start' => $start,
                 ':today' => $today,
                 ':interval' => $interval,
-				':not_invited' => Thread::INVITATION_NOT_INVITED
+                ':not_invited' => Thread::INVITATION_NOT_INVITED,
             ),
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
@@ -194,27 +203,27 @@ function calculate_thread_statistics() {
 
         // Get invitation info
         $db_results = $db->query(
-			"SELECT (FLOOR(dtmcreated / :interval) * :interval) AS date, " .
+            ("SELECT (FLOOR(dtmcreated / :interval) * :interval) AS date, "
-				"COUNT(*) AS invitations_sent, " .
+                . "COUNT(*) AS invitations_sent, "
-				"SUM(invitationstate = :invitation_accepted) AS invitations_accepted, " .
+                . "SUM(invitationstate = :invitation_accepted) AS invitations_accepted, "
-				"SUM(invitationstate = :invitation_rejected) AS invitations_rejected, " .
+                . "SUM(invitationstate = :invitation_rejected) AS invitations_rejected, "
-				"SUM(invitationstate = :invitation_ignored) AS invitations_ignored " .
+                . "SUM(invitationstate = :invitation_ignored) AS invitations_ignored "
-			"FROM {chatthread} " .
+            . "FROM {chatthread} "
-			"WHERE (dtmcreated - :start) > :interval " .
+            . "WHERE (dtmcreated - :start) > :interval "
                 // Calculate statistics only for threads that older than
                 // statistics_aggregation_interval
-				"AND (:today - dtmcreated) > :interval " .
+                . "AND (:today - dtmcreated) > :interval "
-				"AND (invitationstate = :invitation_accepted " .
+                . "AND (invitationstate = :invitation_accepted "
-					"OR invitationstate = :invitation_rejected " .
+                    . "OR invitationstate = :invitation_rejected "
-					"OR invitationstate = :invitation_ignored) " .
+                    . "OR invitationstate = :invitation_ignored) "
-			"GROUP BY date",
+            . "GROUP BY date"),
             array(
                 ':start' => $start,
                 ':today' => $today,
                 ':interval' => $interval,
                 ':invitation_accepted' => Thread::INVITATION_ACCEPTED,
                 ':invitation_rejected' => Thread::INVITATION_REJECTED,
-				':invitation_ignored' => Thread::INVITATION_IGNORED
+                ':invitation_ignored' => Thread::INVITATION_IGNORED,
             ),
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
@@ -241,7 +250,7 @@ function calculate_thread_statistics() {
                 'invitations_sent' => 0,
                 'invitations_accepted' => 0,
                 'invitations_rejected' => 0,
-				'invitations_ignored' => 0
+                'invitations_ignored' => 0,
             );
 
             // Prepare data for insert
@@ -252,17 +261,17 @@ function calculate_thread_statistics() {
 
             // Store data in database
             $db->query(
-				"INSERT INTO {chatthreadstatistics} (" .
+                ("INSERT INTO {chatthreadstatistics} ("
-					"date, threads, missedthreads, sentinvitations, " .
+                    . "date, threads, missedthreads, sentinvitations, "
-					"acceptedinvitations, rejectedinvitations, " .
+                    . "acceptedinvitations, rejectedinvitations, "
-					"ignoredinvitations, operatormessages, usermessages, " .
+                    . "ignoredinvitations, operatormessages, usermessages, "
-					"averagewaitingtime, averagechattime " .
+                    . "averagewaitingtime, averagechattime "
-				") VALUES (" .
+                . ") VALUES ("
-					":date, :threads, :missed_threads, :invitations_sent, " .
+                    . ":date, :threads, :missed_threads, :invitations_sent, "
-					":invitations_accepted, :invitations_rejected, " .
+                    . ":invitations_accepted, :invitations_rejected, "
-					":invitations_ignored, :operator_msgs, :user_msgs, " .
+                    . ":invitations_ignored, :operator_msgs, :user_msgs, "
-					":avg_waiting_time, :avg_chat_time " .
+                    . ":avg_waiting_time, :avg_chat_time "
-				")",
+                . ")"),
                 $insert_data
             );
         }
@@ -276,6 +285,7 @@ function calculate_thread_statistics() {
 
         // Set throw exceptions back
         $db->throwExeptions($db_throw_exceptions);
+
         return;
     }
 
@@ -289,7 +299,8 @@ function calculate_thread_statistics() {
 /**
  * Calculate aggregated 'by operator' statistics
  */
-function calculate_operator_statistics() {
+function calculate_operator_statistics()
+{
     // Prepare database
     $db = Database::getInstance();
     $db_throw_exceptions = $db->throwExeptions(true);
@@ -313,32 +324,32 @@ function calculate_operator_statistics() {
         // Caclculate statistics
         // Get base operator's info
         $db_results = $db->query(
-			"SELECT (FLOOR(m.dtmcreated / :interval) * :interval) AS date, " .
+            ("SELECT (FLOOR(m.dtmcreated / :interval) * :interval) AS date, "
-				"m.agentId AS operator_id, " .
+                . "m.agentId AS operator_id, "
-				"COUNT(distinct m.threadid) AS threads, " .
+                . "COUNT(distinct m.threadid) AS threads, "
-				"COUNT(m.messageid) AS messages, " .
+                . "COUNT(m.messageid) AS messages, "
-				"AVG(CHAR_LENGTH(m.tmessage)) AS avg_msg_length " .
+                . "AVG(CHAR_LENGTH(m.tmessage)) AS avg_msg_length "
                 // Use {chatmessage} as base table because of one thread can
                 // be related with more than one operator (they can change each
                 // other during conversation).
-			"FROM {chatmessage} m, {chatthread} t " .
+            . "FROM {chatmessage} m, {chatthread} t "
-			"WHERE m.ikind = :kind_agent " .
+            . "WHERE m.ikind = :kind_agent "
-				"AND  m.threadid = t.threadid " .
+                . "AND  m.threadid = t.threadid "
-				"AND (m.dtmcreated - :start) > :interval " .
+                . "AND (m.dtmcreated - :start) > :interval "
                 // Calculate statistics only for messages that older
                 // statistics_aggregation_interval
-				"AND (:today - m.dtmcreated) > :interval " .
+                . "AND (:today - m.dtmcreated) > :interval "
                 // Ignore not accepted invitations
-				"AND (t.invitationstate = :not_invited " .
+                . "AND (t.invitationstate = :not_invited "
-					"OR t.invitationstate = :invitation_accepted) " .
+                    . "OR t.invitationstate = :invitation_accepted) "
-			"GROUP BY date, operator_id",
+            . "GROUP BY date, operator_id"),
             array(
                 ':start' => $start,
                 ':today' => $today,
                 ':interval' => $interval,
                 ':not_invited' => Thread::INVITATION_NOT_INVITED,
                 ':invitation_accepted' => Thread::INVITATION_ACCEPTED,
-				':kind_agent' => Thread::KIND_AGENT
+                ':kind_agent' => Thread::KIND_AGENT,
             ),
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
@@ -352,31 +363,31 @@ function calculate_operator_statistics() {
 
         // Get info about invitations
         $db_results = $db->query(
-			"SELECT (FLOOR(dtmcreated / :interval) * :interval) AS date, " .
+            ("SELECT (FLOOR(dtmcreated / :interval) * :interval) AS date, "
-				"agentId as operator_id, " .
+                . "agentId AS operator_id, "
-				"COUNT(threadid) AS invitations_sent, " .
+                . "COUNT(threadid) AS invitations_sent, "
-				"SUM(invitationstate = :invitation_accepted) AS invitations_accepted, " .
+                . "SUM(invitationstate = :invitation_accepted) AS invitations_accepted, "
-				"SUM(invitationstate = :invitation_rejected) AS invitations_rejected, " .
+                . "SUM(invitationstate = :invitation_rejected) AS invitations_rejected, "
-				"SUM(invitationstate = :invitation_ignored) AS invitations_ignored " .
+                . "SUM(invitationstate = :invitation_ignored) AS invitations_ignored "
-			"FROM {chatthread} " .
+            . "FROM {chatthread} "
-			"WHERE (dtmcreated - :start) > :interval " .
+            . "WHERE (dtmcreated - :start) > :interval "
                 // Calculate statistics only for threads that older than
                 // statistics_aggregation_interval
-				"AND (:today - dtmcreated) > :interval " .
+                . "AND (:today - dtmcreated) > :interval "
                 // Check if thread has related operator
-				"AND agentId != 0 " .
+                . "AND agentId != 0 "
                 // Ignore not accepted invitations
-				"AND (invitationstate = :invitation_accepted " .
+                . "AND (invitationstate = :invitation_accepted "
-					"OR invitationstate = :invitation_rejected " .
+                    . "OR invitationstate = :invitation_rejected "
-					"OR invitationstate = :invitation_ignored) " .
+                    . "OR invitationstate = :invitation_ignored) "
-			"GROUP BY date, operator_id",
+            . "GROUP BY date, operator_id"),
             array(
                 ':start' => $start,
                 ':today' => $today,
                 ':interval' => $interval,
                 ':invitation_accepted' => Thread::INVITATION_ACCEPTED,
                 ':invitation_rejected' => Thread::INVITATION_REJECTED,
-				':invitation_ignored' => Thread::INVITATION_IGNORED
+                ':invitation_ignored' => Thread::INVITATION_IGNORED,
             ),
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
@@ -400,7 +411,7 @@ function calculate_operator_statistics() {
                 'invitations_sent' => 0,
                 'invitations_accepted' => 0,
                 'invitations_rejected' => 0,
-				'invitations_ignored' => 0
+                'invitations_ignored' => 0,
             );
 
             // Prepare data for insert
@@ -410,16 +421,16 @@ function calculate_operator_statistics() {
             }
 
             $db->query(
-				"INSERT INTO {chatoperatorstatistics} (" .
+                ("INSERT INTO {chatoperatorstatistics} ("
-					"date, operatorid, threads, messages, averagelength, " .
+                    . "date, operatorid, threads, messages, averagelength, "
-					"sentinvitations, acceptedinvitations, " .
+                    . "sentinvitations, acceptedinvitations, "
-					"rejectedinvitations, ignoredinvitations " .
+                    . "rejectedinvitations, ignoredinvitations "
-				") VALUES (".
+                . ") VALUES ("
-					":date, :operator_id, :threads, :messages, " .
+                    . ":date, :operator_id, :threads, :messages, "
-					":avg_msg_length, :invitations_sent, " .
+                    . ":avg_msg_length, :invitations_sent, "
-					":invitations_accepted, :invitations_rejected, " .
+                    . ":invitations_accepted, :invitations_rejected, "
-					":invitations_ignored " .
+                    . ":invitations_ignored "
-				")",
+                . ")"),
                 $insert_data
             );
         }
@@ -433,6 +444,7 @@ function calculate_operator_statistics() {
 
         // Set throw exceptions back
         $db->throwExeptions($db_throw_exceptions);
+
         return;
     }
 
@@ -446,7 +458,8 @@ function calculate_operator_statistics() {
 /**
  * Calculate aggregated 'by page' statistics
  */
-function calculate_page_statistics() {
+function calculate_page_statistics()
+{
     // Prepare database
     $db = Database::getInstance();
     $db_throw_exceptions = $db->throwExeptions(true);
@@ -472,18 +485,18 @@ function calculate_page_statistics() {
         // Calculate statistics
         // Get main pages info
         $db_results = $db->query(
-			"SELECT FLOOR(visittime / :interval) * :interval AS date, " .
+            ("SELECT FLOOR(visittime / :interval) * :interval AS date, "
-				"address, " .
+                . "address, "
-				"COUNT(DISTINCT pageid) AS visits " .
+                . "COUNT(DISTINCT pageid) AS visits "
-			"FROM {visitedpage} ".
+            . "FROM {visitedpage} "
-			"WHERE calculated = 0 " .
+            . "WHERE calculated = 0 "
-				"AND (visittime - :start) > :interval " .
+                . "AND (visittime - :start) > :interval "
-				"AND (:today - visittime) > :interval " .
+                . "AND (:today - visittime) > :interval "
-			"GROUP BY date, address",
+            . "GROUP BY date, address"),
             array(
                 ':start' => $start,
                 ':today' => $today,
-				':interval' => $interval
+                ':interval' => $interval,
             ),
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
@@ -497,28 +510,28 @@ function calculate_page_statistics() {
 
         // Get total chats count
         $db_results = $db->query(
-			"SELECT FLOOR(p.visittime / :interval) * :interval AS date, " .
+            ("SELECT FLOOR(p.visittime / :interval) * :interval AS date, "
-				"p.address AS address, " .
+                . "p.address AS address, "
-				"COUNT(DISTINCT t.threadid) AS chats " .
+                . "COUNT(DISTINCT t.threadid) AS chats "
-			"FROM {visitedpage} p, {chatthread} t, " .
+            . "FROM {visitedpage} p, {chatthread} t, "
-				"(SELECT " .
+                . "(SELECT "
-					"COUNT(*) AS msgs, " .
+                    . "COUNT(*) AS msgs, "
-					"m.threadid " .
+                    . "m.threadid "
-				"FROM {chatmessage} m " .
+                . "FROM {chatmessage} m "
-				"WHERE m.ikind = :kind_user OR m.ikind = :kind_agent " .
+                . "WHERE m.ikind = :kind_user OR m.ikind = :kind_agent "
-				"GROUP BY m.threadid) tmp " .
+                . "GROUP BY m.threadid) tmp "
-			"WHERE t.referer = p.address " .
+            . "WHERE t.referer = p.address "
-				"AND p.calculated = 0 " .
+                . "AND p.calculated = 0 "
-				"AND t.threadid = tmp.threadid " .
+                . "AND t.threadid = tmp.threadid "
-				"AND tmp.msgs > 0 " .
+                . "AND tmp.msgs > 0 "
-				"AND t.dtmchatstarted <> 0 " .
+                . "AND t.dtmchatstarted <> 0 "
-				"AND (p.visittime - :start) > :interval " .
+                . "AND (p.visittime - :start) > :interval "
-				"AND (:today - p.visittime) > :interval " .
+                . "AND (:today - p.visittime) > :interval "
-				"AND DATE(FROM_UNIXTIME(p.visittime)) " .
+                . "AND DATE(FROM_UNIXTIME(p.visittime)) "
-					"= DATE(FROM_UNIXTIME(t.dtmcreated)) " .
+                    . "= DATE(FROM_UNIXTIME(t.dtmcreated)) "
-				"AND (t.invitationstate = :not_invited " .
+                . "AND (t.invitationstate = :not_invited "
-					"OR t.invitationstate = :invitation_accepted) " .
+                    . "OR t.invitationstate = :invitation_accepted) "
-			"GROUP BY date, address",
+            . "GROUP BY date, address"),
             array(
                 ':start' => $start,
                 ':today' => $today,
@@ -526,7 +539,7 @@ function calculate_page_statistics() {
                 ':not_invited' => Thread::INVITATION_NOT_INVITED,
                 ':invitation_accepted' => Thread::INVITATION_ACCEPTED,
                 ':kind_agent' => Thread::KIND_AGENT,
-				':kind_user' => Thread::KIND_USER
+                ':kind_user' => Thread::KIND_USER,
             ),
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
@@ -540,23 +553,23 @@ function calculate_page_statistics() {
 
         // Get info about accepted invitations
         $db_results = $db->query(
-			"SELECT FLOOR(p.visittime / :interval) * :interval AS date, " .
+            ("SELECT FLOOR(p.visittime / :interval) * :interval AS date, "
-				"p.address AS address, " .
+                . "p.address AS address, "
-				"COUNT(DISTINCT t.threadid) AS invitations_accepted " .
+                . "COUNT(DISTINCT t.threadid) AS invitations_accepted "
-			"FROM {visitedpage} p, {chatthread} t " .
+            . "FROM {visitedpage} p, {chatthread} t "
-			"WHERE t.referer = p.address " .
+            . "WHERE t.referer = p.address "
-				"AND p.calculated = 0 " .
+                . "AND p.calculated = 0 "
-				"AND (p.visittime - :start) > :interval " .
+                . "AND (p.visittime - :start) > :interval "
-				"AND (:today - p.visittime) > :interval " .
+                . "AND (:today - p.visittime) > :interval "
-				"AND DATE(FROM_UNIXTIME(p.visittime)) " .
+                . "AND DATE(FROM_UNIXTIME(p.visittime)) "
-					"= DATE(FROM_UNIXTIME(t.dtmcreated)) " .
+                    . "= DATE(FROM_UNIXTIME(t.dtmcreated)) "
-				"AND t.invitationstate = :invitation_accepted " .
+                . "AND t.invitationstate = :invitation_accepted "
-			"GROUP BY date, address",
+            . "GROUP BY date, address"),
             array(
                 ':start' => $start,
                 ':today' => $today,
                 ':interval' => $interval,
-				':invitation_accepted' => Thread::INVITATION_ACCEPTED
+                ':invitation_accepted' => Thread::INVITATION_ACCEPTED,
             ),
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
@@ -570,23 +583,23 @@ function calculate_page_statistics() {
 
         // Get info about rejected invitations
         $db_results = $db->query(
-			"SELECT FLOOR(p.visittime / :interval) * :interval AS date, " .
+            ("SELECT FLOOR(p.visittime / :interval) * :interval AS date, "
-				"p.address AS address, " .
+                . "p.address AS address, "
-				"COUNT(DISTINCT t.threadid) AS invitations_rejected " .
+                . "COUNT(DISTINCT t.threadid) AS invitations_rejected "
-			"FROM {visitedpage} p, {chatthread} t " .
+            . "FROM {visitedpage} p, {chatthread} t "
-			"WHERE t.referer = p.address " .
+            . "WHERE t.referer = p.address "
-				"AND p.calculated = 0 " .
+                . "AND p.calculated = 0 "
-				"AND (p.visittime - :start) > :interval " .
+                . "AND (p.visittime - :start) > :interval "
-				"AND (:today - p.visittime) > :interval " .
+                . "AND (:today - p.visittime) > :interval "
-				"AND DATE(FROM_UNIXTIME(p.visittime)) " .
+                . "AND DATE(FROM_UNIXTIME(p.visittime)) "
-					"= DATE(FROM_UNIXTIME(t.dtmcreated)) " .
+                    . "= DATE(FROM_UNIXTIME(t.dtmcreated)) "
-				"AND t.invitationstate = :invitation_rejected " .
+                . "AND t.invitationstate = :invitation_rejected "
-			"GROUP BY date, address",
+            . "GROUP BY date, address"),
             array(
                 ':start' => $start,
                 ':today' => $today,
                 ':interval' => $interval,
-				':invitation_rejected' => Thread::INVITATION_REJECTED
+                ':invitation_rejected' => Thread::INVITATION_REJECTED,
             ),
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
@@ -600,23 +613,23 @@ function calculate_page_statistics() {
 
         // Get info about ignored invitations
         $db_results = $db->query(
-			"SELECT FLOOR(p.visittime / :interval) * :interval AS date, " .
+            ("SELECT FLOOR(p.visittime / :interval) * :interval AS date, "
-				"p.address AS address, " .
+                . "p.address AS address, "
-				"COUNT(DISTINCT t.threadid) AS invitations_ignored " .
+                . "COUNT(DISTINCT t.threadid) AS invitations_ignored "
-			"FROM {visitedpage} p, {chatthread} t " .
+            . "FROM {visitedpage} p, {chatthread} t "
-			"WHERE t.referer = p.address " .
+            . "WHERE t.referer = p.address "
-				"AND p.calculated = 0 " .
+                . "AND p.calculated = 0 "
-				"AND (p.visittime - :start) > :interval " .
+                . "AND (p.visittime - :start) > :interval "
-				"AND (:today - p.visittime) > :interval " .
+                . "AND (:today - p.visittime) > :interval "
-				"AND DATE(FROM_UNIXTIME(p.visittime)) " .
+                . "AND DATE(FROM_UNIXTIME(p.visittime)) "
-					"= DATE(FROM_UNIXTIME(t.dtmcreated)) " .
+                    . "= DATE(FROM_UNIXTIME(t.dtmcreated)) "
-				"AND t.invitationstate = :invitation_ignored " .
+                . "AND t.invitationstate = :invitation_ignored "
-			"GROUP BY date, address",
+            . "GROUP BY date, address"),
             array(
                 ':start' => $start,
                 ':today' => $today,
                 ':interval' => $interval,
-				':invitation_ignored' => Thread::INVITATION_IGNORED
+                ':invitation_ignored' => Thread::INVITATION_IGNORED,
             ),
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
@@ -638,7 +651,7 @@ function calculate_page_statistics() {
                 'chats' => 0,
                 'invitations_accepted' => 0,
                 'invitations_rejected' => 0,
-				'invitations_ignored' => 0
+                'invitations_ignored' => 0,
             );
 
             $row['invitations_sent'] = $row['invitations_accepted']
@@ -652,27 +665,27 @@ function calculate_page_statistics() {
             }
 
             $db->query(
-				"INSERT INTO {visitedpagestatistics} (" .
+                ("INSERT INTO {visitedpagestatistics} ("
-					"date, address, visits, chats, " .
+                    . "date, address, visits, chats, "
-					"sentinvitations, acceptedinvitations, " .
+                    . "sentinvitations, acceptedinvitations, "
-					"rejectedinvitations, ignoredinvitations " .
+                    . "rejectedinvitations, ignoredinvitations "
-				") VALUES (".
+                . ") VALUES ("
-					":date, :address, :visits, :chats, :invitations_sent, " .
+                    . ":date, :address, :visits, :chats, :invitations_sent, "
-					":invitations_accepted, :invitations_rejected, " .
+                    . ":invitations_accepted, :invitations_rejected, "
-					":invitations_ignored " .
+                    . ":invitations_ignored "
-				")",
+                . ")"),
                 $insert_data
             );
         }
 
         // Mark all visited pages as 'calculated'
         $db->query(
-			"UPDATE {visitedpage} SET calculated = 1 " .
+            ("UPDATE {visitedpage} SET calculated = 1 "
-			"WHERE (:today - visittime) > :interval " .
+                . "WHERE (:today - visittime) > :interval "
-				"AND calculated = 0",
+                . "AND calculated = 0"),
             array(
                 ':today' => $today,
-				':interval' => $interval
+                ':interval' => $interval,
             )
         );
 
@@ -688,6 +701,7 @@ function calculate_page_statistics() {
 
         // Set throw exceptions back
         $db->throwExeptions($db_throw_exceptions);
+
         return;
     }
 
@@ -708,7 +722,8 @@ function calculate_page_statistics() {
  * @param array $keys List of keys.
  * @return array|boolean Extended statistics info or boolean false on failure
  */
-function extend_statistics_info($stat_info, $additional_info, $keys) {
+function extend_statistics_info($stat_info, $additional_info, $keys)
+{
     $result = $stat_info;
     foreach ($additional_info as $row) {
         // Build key field
@@ -719,6 +734,7 @@ function extend_statistics_info($stat_info, $additional_info, $keys) {
                     "There is no '{$key}' key in additional_info row!",
                     E_USER_WARNING
                 );
+
                 return false;
             }
             $key_field[] = $row[$key];
@@ -733,7 +749,6 @@ function extend_statistics_info($stat_info, $additional_info, $keys) {
         // Extend info
         $result[$key_field] += $row;
     }
+
     return $result;
 }
-
-?>

src/mibew/libs/track.php

@@ -20,27 +20,25 @@ use Mibew\Database;
 use Mibew\Settings;
 use Mibew\Thread;
 
-// Initialize libraries
+function track_visitor($visitor_id, $entry, $referer)
-require_once(MIBEW_FS_ROOT.'/libs/chat.php');
-
-function track_visitor($visitorid, $entry, $referer)
 {
-	$visitor = track_get_visitor_by_id($visitorid);
+    $visitor = track_get_visitor_by_id($visitor_id);
 
-	if (FALSE === $visitor) {
+    if (false === $visitor) {
         $visitor = track_visitor_start($entry, $referer);
+
         return $visitor;
     } else {
         $db = Database::getInstance();
         $db->query(
-			"update {chatsitevisitor} set lasttime = :now " .
+            "UPDATE {chatsitevisitor} SET lasttime = :now WHERE visitorid = :visitorid",
-			"where visitorid = :visitorid",
             array(
                 ':visitorid' => $visitor['visitorid'],
-				':now' => time()
+                ':now' => time(),
             )
         );
         track_visit_page($visitor['visitorid'], $referer);
+
         return $visitor['visitorid'];
     }
 }
@@ -51,14 +49,17 @@ function track_visitor_start($entry, $referer)
 
     $db = Database::getInstance();
     $db->query(
-		"insert into {chatsitevisitor} (userid,username,firsttime,lasttime,entry,details) ".
+        ("INSERT INTO {chatsitevisitor} ( "
-		"values (:userid, :username, :now, :now, :entry, :details)",
+            . "userid, username, firsttime, lasttime, entry,details "
+        . ") VALUES ( "
+            . ":userid, :username, :now, :now, :entry, :details "
+        . ")"),
         array(
             ':userid' => $visitor['id'],
             ':username' => $visitor['name'],
             ':now' => time(),
             ':entry' => $entry,
-			':details' => track_build_details()
+            ':details' => track_build_details(),
         )
     );
 
@@ -71,22 +72,24 @@ function track_visitor_start($entry, $referer)
     return $id ? $id : 0;
 }
 
-function track_get_visitor_by_id($visitorid)
+function track_get_visitor_by_id($visitor_id)
 {
     $db = Database::getInstance();
+
     return $db->query(
-		"select * from {chatsitevisitor} where visitorid = ?",
+        "SELECT * FROM {chatsitevisitor} WHERE visitorid = ?",
-		array($visitorid),
+        array($visitor_id),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
 }
 
-function track_get_visitor_by_threadid($threadid)
+function track_get_visitor_by_thread_id($thread_id)
 {
     $db = Database::getInstance();
+
     return $db->query(
-		"select * from {chatsitevisitor} where threadid = ?",
+        "SELECT * FROM {chatsitevisitor} WHERE threadid = ?",
-		array($threadid),
+        array($thread_id),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
 }
@@ -97,36 +100,44 @@ function track_get_visitor_by_threadid($threadid)
  * @param string $user_id User id
  * @return boolean|array Visitor array or boolean false if visitor not exists
  */
-function track_get_visitor_by_user_id($user_id) {
+function track_get_visitor_by_user_id($user_id)
+{
     $db = Database::getInstance();
+
     return $db->query(
-		"select * from {chatsitevisitor} where userid = ?",
+        "SELECT * FROM {chatsitevisitor} WHERE userid = ?",
         array($user_id),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
 }
 
-function track_visit_page($visitorid, $page)
+function track_visit_page($visitor_id, $page)
 {
     $db = Database::getInstance();
 
     if (empty($page)) {
         return;
     }
-	$lastpage = $db->query(
+    $last_page = $db->query(
-		"select address from {visitedpage} where visitorid = ? " .
+        ("SELECT address "
-		"order by visittime desc limit 1",
+            . "FROM {visitedpage} "
-		array($visitorid),
+            . "WHERE visitorid = ? "
+            . "ORDER BY visittime DESC "
+            . "LIMIT 1"),
+        array($visitor_id),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
-	if ( $lastpage['address'] != $page ) {
+    if ($last_page['address'] != $page) {
         $db->query(
-			"insert into {visitedpage} (visitorid, address, visittime) " .
+            ("INSERT INTO {visitedpage} ("
-			"values (:visitorid, :page, :now)",
+                . "visitorid, address, visittime "
+            . ") VALUES ( "
+                . ":visitorid, :page, :now "
+            .")"),
             array(
-				':visitorid' => $visitorid,
+                ':visitorid' => $visitor_id,
                 ':page' => $page,
-				':now' => time()
+                ':now' => time(),
             )
         );
     }
@@ -136,8 +147,7 @@ function track_get_path($visitor)
 {
     $db = Database::getInstance();
     $query_result = $db->query(
-		"select address, visittime from {visitedpage} " .
+        "SELECT address, visittime FROM {visitedpage} WHERE visitorid = ?",
-		"where visitorid = ?",
         array($visitor['visitorid']),
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
@@ -145,6 +155,7 @@ function track_get_path($visitor)
     foreach ($query_result as $page) {
         $result[$page['visittime']] = $page['address'];
     }
+
     return $result;
 }
 
@@ -152,11 +163,10 @@ function track_build_details()
 {
     $result = array(
         'user_agent' => $_SERVER['HTTP_USER_AGENT'],
-	'remote_host' => get_remote_host()
+        'remote_host' => get_remote_host(),
     );
 
     return serialize($result);
-
 }
 
 function track_retrieve_details($visitor)
@@ -167,27 +177,28 @@ function track_retrieve_details($visitor)
 /**
  * Remove old visitors
  */
-function track_remove_old_visitors() {
+function track_remove_old_visitors()
+{
     $db = Database::getInstance();
 
     // Remove associations of visitors with closed threads
     $db->query(
-		"UPDATE {chatsitevisitor} SET threadid = NULL " .
+        "UPDATE {chatsitevisitor} SET threadid = NULL "
-		"WHERE threadid IS NOT NULL AND " .
+        . "WHERE threadid IS NOT NULL AND "
-		" (SELECT count(*) FROM {chatthread} " .
+        . "(SELECT count(*) FROM {chatthread} "
-			"WHERE threadid = {chatsitevisitor}.threadid" .
+        . "WHERE threadid = {chatsitevisitor}.threadid "
-			" AND istate <> " . Thread::STATE_CLOSED . " " .
+        . "AND istate <> " . Thread::STATE_CLOSED . " "
-			" AND istate <> " . Thread::STATE_LEFT . ") = 0"
+        . "AND istate <> " . Thread::STATE_LEFT . ") = 0 "
     );
 
     // Remove old visitors
     $db->query(
-		"DELETE FROM {chatsitevisitor} " .
+        ("DELETE FROM {chatsitevisitor} "
-		"WHERE (:now - lasttime) > :lifetime ".
+            . "WHERE (:now - lasttime) > :lifetime "
-		"AND threadid IS NULL",
+            . "AND threadid IS NULL"),
         array(
             ':lifetime' => Settings::get('tracking_lifetime'),
-			':now' => time()
+            ':now' => time(),
         )
     );
 }
@@ -195,19 +206,20 @@ function track_remove_old_visitors() {
 /**
  * Remove old tracks
  */
-function track_remove_old_tracks() {
+function track_remove_old_tracks()
+{
     $db = Database::getInstance();
 
     // Remove old visitors' tracks
     $db->query(
-		"DELETE FROM {visitedpage} " .
+        ("DELETE FROM {visitedpage} "
-		"WHERE (:now - visittime) > :lifetime " .
+            . "WHERE (:now - visittime) > :lifetime "
             // Remove only tracks that are included in statistics
-			"AND calculated = 1 " .
+            . "AND calculated = 1 "
-			"AND visitorid NOT IN (SELECT visitorid FROM {chatsitevisitor}) ",
+            . "AND visitorid NOT IN (SELECT visitorid FROM {chatsitevisitor}) "),
         array(
             ':lifetime' => Settings::get('tracking_lifetime'),
-			':now' => time()
+            ':now' => time(),
         )
     );
 }
@@ -215,15 +227,17 @@ function track_remove_old_tracks() {
 /**
  * Return user id by visitor id.
  *
- * @param int $visitorid Id of the visitor
+ * @param int $visitor_id Id of the visitor
  * @return string|boolean user id or boolean false if there is no visitor with
  * specified visitor id
  */
-function track_get_user_id($visitorid) {
+function track_get_user_id($visitor_id)
-	$visitor = track_get_visitor_by_id($visitorid);
+{
+    $visitor = track_get_visitor_by_id($visitor_id);
     if (!$visitor) {
         return false;
     }
+
     return $visitor['userid'];
 }
 
@@ -234,17 +248,16 @@ function track_get_user_id($visitorid) {
  * visitor.
  * @param Thread $thread Chat thread object
  */
-function track_visitor_bind_thread($user_id, $thread) {
+function track_visitor_bind_thread($user_id, $thread)
+{
     $db = Database::getInstance();
     $db->query(
-		'UPDATE {chatsitevisitor} ' .
+        ('UPDATE {chatsitevisitor} '
-		'SET threadid = :thread_id ' .
+            . 'SET threadid = :thread_id '
-		'WHERE userid = :user_id',
+            . 'WHERE userid = :user_id'),
         array(
             ':thread_id' => $thread->id,
-			':user_id' => $user_id
+            ':user_id' => $user_id,
         )
     );
 }
-
-?>

src/mibew/libs/userinfo.php

@@ -18,50 +18,50 @@
 // Import namespaces and classes of the core
 use Mibew\Settings;
 
-function get_useragent_version($userAgent)
+function get_user_agent_version($user_agent)
 {
     $known_agents = get_known_user_agents();
     if (is_array($known_agents)) {
-		$userAgent = strtolower($userAgent);
+        $user_agent = strtolower($user_agent);
         foreach ($known_agents as $agent) {
-			if (strstr($userAgent, $agent)) {
+            if (strstr($user_agent, $agent)) {
-				if (preg_match("/" . $agent . "[\\s\/]?(\\d+(\\.\\d+(\\.\\d+(\\.\\d+)?)?)?)/", $userAgent, $matches)) {
+                if (preg_match("/" . $agent . "[\\s\/]?(\\d+(\\.\\d+(\\.\\d+(\\.\\d+)?)?)?)/", $user_agent, $matches)) {
                     $ver = $matches[1];
                     if ($agent == 'safari') {
-						if (preg_match("/version\/(\\d+(\\.\\d+(\\.\\d+)?)?)/", $userAgent, $matches)) {
+                        if (preg_match("/version\/(\\d+(\\.\\d+(\\.\\d+)?)?)/", $user_agent, $matches)) {
                             $ver = $matches[1];
                         } else {
                             $ver = "1 or 2 (build " . $ver . ")";
                         }
-						if (preg_match("/mobile\/(\\d+(\\.\\d+(\\.\\d+)?)?)/", $userAgent, $matches)) {
+                        if (preg_match("/mobile\/(\\d+(\\.\\d+(\\.\\d+)?)?)/", $user_agent, $matches)) {
-							$userAgent = "iPhone " . $matches[1] . " ($agent $ver)";
+                            $user_agent = "iPhone " . $matches[1] . " ($agent $ver)";
                             break;
                         }
                     }
 
-					$userAgent = ucfirst($agent) . " " . $ver;
+                    $user_agent = ucfirst($agent) . " " . $ver;
                     break;
                 }
             }
         }
     }
-	return $userAgent;
+
+    return $user_agent;
 }
 
 function get_user_addr($addr)
 {
     if (Settings::get('geolink') && preg_match("/(\\d+\\.\\d+\\.\\d+\\.\\d+)/", $addr, $matches)) {
-		$userip = $matches[1];
+        $user_ip = $matches[1];
         return get_popup(
-			str_replace("{ip}", $userip, Settings::get('geolink')),
+            str_replace("{ip}", $user_ip, Settings::get('geolink')),
             '',
             htmlspecialchars($addr),
             "GeoLocation",
-			"ip$userip",
+            "ip$user_ip",
             Settings::get('geolinkparams')
         );
     }
+
     return htmlspecialchars($addr);
 }
-
-?>

src/mibew/license.php

@@ -28,5 +28,3 @@ $page['fixedwrap'] = true;
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('license', $page);
-
-?>

src/mibew/mail.php

@@ -25,15 +25,16 @@ require_once(dirname(__FILE__).'/libs/init.php');
 require_once(MIBEW_FS_ROOT . '/libs/chat.php');
 require_once(MIBEW_FS_ROOT . '/libs/groups.php');
 require_once(MIBEW_FS_ROOT . '/libs/notify.php');
+require_once(MIBEW_FS_ROOT . '/libs/track.php');
 
 $page = array(
-	'errors' =>array()
+    'errors' => array(),
 );
 
-$token = verifyparam( "token", "/^\d{1,8}$/");
+$token = verify_param("token", "/^\d{1,8}$/");
-$threadid = verifyparam( "thread", "/^\d{1,8}$/");
+$thread_id = verify_param("thread", "/^\d{1,8}$/");
 
-$thread = Thread::load($threadid, $token);
+$thread = Thread::load($thread_id, $token);
 if (!$thread) {
     die("wrong thread");
 }
@@ -41,9 +42,9 @@ if (! $thread) {
 // Initialize chat style which is currently used in system
 $chat_style = new ChatStyle(ChatStyle::currentStyle());
 
-$email = getparam('email');
+$email = get_param('email');
 $page['email'] = $email;
-$group = is_null($thread->groupId)?NULL:group_by_id($thread->groupId);
+$group = is_null($thread->groupId) ? null : group_by_id($thread->groupId);
 if (!$email) {
     $page['errors'][] = no_field("form.field.email");
 } elseif (!is_valid_email($email)) {
@@ -73,16 +74,15 @@ foreach ($messages as $msg) {
 $subject = getstring("mail.user.history.subject");
 $body = getstring2(
     "mail.user.history.body",
-	array($thread->userName, $history, Settings::get('title'), Settings::get('hosturl'))
+    array($thread->userName,
+        $history,
+        Settings::get('title'),
+        Settings::get('hosturl')
+    )
 );
 
 mibew_mail($email, $mibew_mailbox, $subject, $body);
 
-$page = array_merge_recursive(
+$page = array_merge_recursive($page, setup_logo($group));
-	$page,
-	setup_logo($group)
-);
 
 $chat_style->render('mailsent', $page);
-exit;
-?>

src/mibew/operator/agent.php

@@ -28,6 +28,7 @@ require_once(MIBEW_FS_ROOT.'/libs/chat.php');
 require_once(MIBEW_FS_ROOT . '/libs/groups.php');
 require_once(MIBEW_FS_ROOT . '/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/pagination.php');
+require_once(MIBEW_FS_ROOT . '/libs/track.php');
 
 $operator = check_login();
 
@@ -43,9 +44,9 @@ if (Settings::get('enablessl') == "1" && Settings::get('forcessl') == "1") {
     }
 }
 
-$threadid = verifyparam("thread", "/^\d{1,8}$/");
+$thread_id = verify_param("thread", "/^\d{1,8}$/");
 $page = array(
-	'errors' => array()
+    'errors' => array(),
 );
 
 // Initialize chat style which is currently used in system
@@ -62,17 +63,17 @@ if (!isset($_GET['token'])) {
         exit;
     }
 
-	$thread = Thread::load($threadid);
+    $thread = Thread::load($thread_id);
     if (!$thread || !isset($thread->lastToken)) {
         $page['errors'][] = getlocal("thread.error.wrong_thread");
         $chat_style->render('error', $page);
         exit;
     }
 
-	$viewonly = verifyparam("viewonly", "/^true$/", false);
+    $view_only = verify_param("viewonly", "/^true$/", false);
 
-	$forcetake = verifyparam("force", "/^true$/", false);
+    $force_take = verify_param("force", "/^true$/", false);
-	if (!$viewonly && $thread->state == Thread::STATE_CHATTING && $operator['operatorid'] != $thread->agentId) {
+    if (!$view_only && $thread->state == Thread::STATE_CHATTING && $operator['operatorid'] != $thread->agentId) {
 
         if (!is_capable(CAN_TAKEOVER, $operator)) {
             $page['errors'][] = getlocal("thread.error.cannot_take_over");
@@ -80,11 +81,11 @@ if (!isset($_GET['token'])) {
             exit;
         }
 
-		if ($forcetake == false) {
+        if ($force_take == false) {
             $page = array(
-				'user' => topage($thread->userName),
+                'user' => to_page($thread->userName),
-				'agent' => topage($thread->agentName),
+                'agent' => to_page($thread->agentName),
-				'link' => $_SERVER['PHP_SELF'] . "?thread=$threadid&force=true",
+                'link' => $_SERVER['PHP_SELF'] . "?thread=$thread_id&force=true",
                 'title' => getlocal("confirm.take.head"),
             );
             $page_style->render('confirm', $page);
@@ -92,7 +93,7 @@ if (!isset($_GET['token'])) {
         }
     }
 
-	if (!$viewonly) {
+    if (!$view_only) {
         if (!$thread->take($operator)) {
             $page['errors'][] = getlocal("thread.error.cannot_take");
             $chat_style->render('error', $page);
@@ -105,13 +106,15 @@ if (!isset($_GET['token'])) {
     }
 
     $token = $thread->lastToken;
-	header("Location: " . MIBEW_WEB_ROOT . "/operator/agent.php?thread=" . intval($threadid) . "&token=" . urlencode($token));
+    $redirect_to = MIBEW_WEB_ROOT . "/operator/agent.php?thread="
+        . intval($thread_id) . "&token=" . urlencode($token);
+    header("Location: " . $redirect_to);
     exit;
 }
 
-$token = verifyparam("token", "/^\d{1,8}$/");
+$token = verify_param("token", "/^\d{1,8}$/");
 
-$thread = Thread::load($threadid, $token);
+$thread = Thread::load($thread_id, $token);
 if (!$thread) {
     die("wrong thread");
 }
@@ -129,11 +132,11 @@ $page = array_merge_recursive(
 
 start_html_output();
 
-$pparam = verifyparam("act", "/^(redirect)$/", "default");
+$pparam = verify_param("act", "/^(redirect)$/", "default");
 if ($pparam == "redirect") {
     $page = array_merge_recursive(
         $page,
-		setup_redirect_links($threadid, $operator, $token)
+        setup_redirect_links($thread_id, $operator, $token)
     );
     $chat_style->render('redirect', $page);
 } else {
@@ -142,5 +145,3 @@ if ($pparam == "redirect") {
     // Render the page
     $chat_style->render('chat', $page);
 }
-
-?>

src/mibew/operator/avatar.php

@@ -25,29 +25,27 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/operator_settings.php');
 
 $operator = check_login();
-csrfchecktoken();
+csrf_check_token();
 
-$opId = verifyparam("op", "/^\d{1,9}$/");
+$op_id = verify_param("op", "/^\d{1,9}$/");
 $page = array(
-	'opid' => $opId,
+    'opid' => $op_id,
     'avatar' => '',
     'errors' => array(),
 );
 
-$canmodify = ($opId == $operator['operatorid'] && is_capable(CAN_MODIFYPROFILE, $operator))
+$can_modify = ($op_id == $operator['operatorid'] && is_capable(CAN_MODIFYPROFILE, $operator))
     || is_capable(CAN_ADMINISTRATE, $operator);
 
-$op = operator_by_id($opId);
+$op = operator_by_id($op_id);
 
 if (!$op) {
     $page['errors'][] = getlocal("no_such_operator");
-
 } elseif (isset($_POST['op'])) {
     $avatar = $op['vcavatar'];
 
-	if (!$canmodify) {
+    if (!$can_modify) {
         $page['errors'][] = getlocal('page_agent.cannot_modify');
-
     } elseif (isset($_FILES['avatarFile']) && $_FILES['avatarFile']['name']) {
         $valid_types = array("gif", "jpg", "png", "tif", "jpeg");
 
@@ -55,7 +53,7 @@ if (!$op) {
         $tmp_file_name = $_FILES['avatarFile']['tmp_name'];
 
         $ext = preg_replace('/\//', '', strtolower(substr($orig_filename, 1 + strrpos($orig_filename, "."))));
-		$new_file_name = intval($opId). ".$ext";
+        $new_file_name = intval($op_id) . ".$ext";
 
         $file_size = $_FILES['avatarFile']['size'];
         if ($file_size == 0 || $file_size > Settings::get('max_uploaded_file_size')) {
@@ -81,36 +79,30 @@ if (!$op) {
     if (count($page['errors']) == 0) {
         update_operator_avatar($op['operatorid'], $avatar);
 
-		if ($opId && $avatar && $_SESSION[SESSION_PREFIX."operator"] && $operator['operatorid'] == $opId) {
+        if ($op_id && $avatar && $_SESSION[SESSION_PREFIX . "operator"] && $operator['operatorid'] == $op_id) {
             $_SESSION[SESSION_PREFIX . "operator"]['vcavatar'] = $avatar;
         }
-		header("Location: " . MIBEW_WEB_ROOT . "/operator/avatar.php?op=" . intval($opId));
+        header("Location: " . MIBEW_WEB_ROOT . "/operator/avatar.php?op=" . intval($op_id));
         exit;
     } else {
-		$page['avatar'] = topage($op['vcavatar']);
+        $page['avatar'] = to_page($op['vcavatar']);
     }
-
 } else {
-	if (isset($_GET['delete']) && $_GET['delete'] == "true" && $canmodify) {
+    if (isset($_GET['delete']) && $_GET['delete'] == "true" && $can_modify) {
         update_operator_avatar($op['operatorid'], '');
-		header("Location: " . MIBEW_WEB_ROOT . "/operator/avatar.php?op=" . intval($opId));
+        header("Location: " . MIBEW_WEB_ROOT . "/operator/avatar.php?op=" . intval($op_id));
         exit;
     }
-	$page['avatar'] = topage($op['vcavatar']);
+    $page['avatar'] = to_page($op['vcavatar']);
 }
 
-$page['currentop'] = $op ? topage(get_operator_name($op)) . " (" . $op['vclogin'] . ")" : getlocal("not_found");
+$page['currentop'] = $op ? to_page(get_operator_name($op)) . " (" . $op['vclogin'] . ")" : getlocal("not_found");
-$page['canmodify'] = $canmodify ? "1" : "";
+$page['canmodify'] = $can_modify ? "1" : "";
 $page['title'] = getlocal("page_avatar.title");
-$page['menuid'] = ($operator['operatorid'] == $opId) ? "profile" : "operators";
+$page['menuid'] = ($operator['operatorid'] == $op_id) ? "profile" : "operators";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
+$page['tabs'] = setup_operator_settings_tabs($op_id, 1);
-	prepare_menu($operator)
-);
-$page['tabs'] = setup_operator_settings_tabs($opId, 1);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('avatar', $page);
-
-?>

src/mibew/operator/ban.php

@@ -25,9 +25,10 @@ require_once(dirname(dirname(__FILE__)).'/libs/init.php');
 require_once(MIBEW_FS_ROOT . '/libs/chat.php');
 require_once(MIBEW_FS_ROOT . '/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/pagination.php');
+require_once(MIBEW_FS_ROOT . '/libs/track.php');
 
 $operator = check_login();
-csrfchecktoken();
+csrf_check_token();
 $page = array('banId' => '');
 $page['saved'] = false;
 $page['thread'] = '';
@@ -35,11 +36,11 @@ $page['threadid'] = '';
 $page['errors'] = array();
 
 if (isset($_POST['address'])) {
-	$banId = verifyparam("banId", "/^(\d{1,9})?$/", "");
+    $ban_id = verify_param("banId", "/^(\d{1,9})?$/", "");
-	$address = getparam("address");
+    $address = get_param("address");
-	$days = getparam("days");
+    $days = get_param("days");
-	$comment = getparam('comment');
+    $comment = get_param('comment');
-	$threadid = isset($_POST['threadid']) ? getparam('threadid') : "";
+    $thread_id = isset($_POST['threadid']) ? get_param('threadid') : "";
 
     if (!$address) {
         $page['errors'][] = no_field("form.field.address");
@@ -55,8 +56,8 @@ if (isset($_POST['address'])) {
 
     $existing_ban = ban_for_addr($address);
 
-	if ((!$banId && $existing_ban) ||
+    if ((!$ban_id && $existing_ban) ||
-		($banId && $existing_ban && $banId != $existing_ban['banid'])) {
+        ($ban_id && $existing_ban && $ban_id != $existing_ban['banid'])) {
         $page['errors'][] = getlocal2("ban.error.duplicate", array($address, $existing_ban['banid']));
     }
 
@@ -64,80 +65,74 @@ if (isset($_POST['address'])) {
         $db = Database::getInstance();
         $now = time();
         $till_time = $now + $days * 24 * 60 * 60;
-		if (!$banId) {
+        if (!$ban_id) {
             $db->query(
-				"insert into {chatban} (dtmcreated,dtmtill,address,comment) " .
+                ("INSERT INTO {chatban} (dtmcreated, dtmtill, address, comment) "
-				"values (:now,:till,:address,:comment)",
+                    . "VALUES (:now,:till,:address,:comment)"),
                 array(
                     ':now' => $now,
                     ':till' => $till_time,
                     ':address' => $address,
-					':comment' => $comment
+                    ':comment' => $comment,
                 )
             );
         } else {
             $db->query(
-				"update {chatban} set dtmtill = :till,address = :address, " .
+                ("UPDATE {chatban} SET dtmtill = :till, address = :address, "
-				"comment = :comment where banid = :banid",
+                    . "comment = :comment WHERE banid = :banid"),
                 array(
                     ':till' => $till_time,
                     ':address' => $address,
                     ':comment' => $comment,
-					':banid' => $banId
+                    ':banid' => $ban_id,
                 )
             );
         }
 
         $page['saved'] = true;
         $page['address'] = $address;
-
     } else {
-		$page['banId'] = topage($banId);
+        $page['banId'] = to_page($ban_id);
-		$page['formaddress'] = topage($address);
+        $page['formaddress'] = to_page($address);
-		$page['formdays'] = topage($days);
+        $page['formdays'] = to_page($days);
-		$page['formcomment'] = topage($comment);
+        $page['formcomment'] = to_page($comment);
-		$page['threadid'] = $threadid;
+        $page['threadid'] = $thread_id;
     }
 } elseif (isset($_GET['id'])) {
-	$banId = verifyparam('id', "/^\d{1,9}$/");
+    $ban_id = verify_param('id', "/^\d{1,9}$/");
     $db = Database::getInstance();
     $ban = $db->query(
-		"select banid,(dtmtill - :now)" .
+        ("SELECT banid, (dtmtill - :now) AS days, address, comment "
-		" as days,address,comment from {chatban} where banid = :banid",
+            . "FROM {chatban} WHERE banid = :banid"),
         array(
-			':banid' => $banId,
+            ':banid' => $ban_id,
-			':now' => time()
+            ':now' => time(),
         ),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
 
     if ($ban) {
-		$page['banId'] = topage($ban['banid']);
+        $page['banId'] = to_page($ban['banid']);
-		$page['formaddress'] = topage($ban['address']);
+        $page['formaddress'] = to_page($ban['address']);
-		$page['formdays'] = topage(round($ban['days'] / 86400));
+        $page['formdays'] = to_page(round($ban['days'] / 86400));
-		$page['formcomment'] = topage($ban['comment']);
+        $page['formcomment'] = to_page($ban['comment']);
     } else {
         $page['errors'][] = "Wrong id";
     }
 } elseif (isset($_GET['thread'])) {
-	$threadid = verifyparam('thread', "/^\d{1,9}$/");
+    $thread_id = verify_param('thread', "/^\d{1,9}$/");
-	$thread = Thread::load($threadid);
+    $thread = Thread::load($thread_id);
     if ($thread) {
-		$page['thread'] = topage($thread->userName);
+        $page['thread'] = to_page($thread->userName);
-		$page['threadid'] = $threadid;
+        $page['threadid'] = $thread_id;
-		$page['formaddress'] = topage($thread->remote);
+        $page['formaddress'] = to_page($thread->remote);
         $page['formdays'] = 15;
     }
 }
 
 $page['title'] = getlocal("page_ban.title");
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator, false));
-	$page,
-	prepare_menu($operator, false)
-);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('ban', $page);
-
-?>

src/mibew/operator/blocked.php

@@ -24,9 +24,10 @@ require_once(dirname(dirname(__FILE__)).'/libs/init.php');
 require_once(MIBEW_FS_ROOT . '/libs/chat.php');
 require_once(MIBEW_FS_ROOT . '/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/pagination.php');
+require_once(MIBEW_FS_ROOT . '/libs/track.php');
 
 $operator = check_login();
-csrfchecktoken();
+csrf_check_token();
 
 $page = array(
     'errors' => array(),
@@ -37,38 +38,33 @@ setlocale(LC_TIME, getstring("time.locale"));
 $db = Database::getInstance();
 
 if (isset($_GET['act']) && $_GET['act'] == 'del') {
-	$banId = isset($_GET['id']) ? $_GET['id'] : "";
+    $ban_id = isset($_GET['id']) ? $_GET['id'] : "";
 
-	if (!preg_match("/^\d+$/", $banId)) {
+    if (!preg_match("/^\d+$/", $ban_id)) {
         $page['errors'][] = "Cannot delete: wrong argument";
     }
 
     if (count($page['errors']) == 0) {
-		$db->query("delete from {chatban} where banid = ?", array($banId));
+        $db->query("DELETE FROM {chatban} WHERE banid = ?", array($ban_id));
         header("Location: " . MIBEW_WEB_ROOT . "/operator/blocked.php");
         exit;
     }
 }
 
-$blockedList = $db->query(
+$blocked_list = $db->query(
-	"select banid, dtmtill as till,address,comment from {chatban}",
+    "SELECT banid, dtmtill AS till,address,comment FROM {chatban}",
-	NULL,
+    null,
     array('return_rows' => Database::RETURN_ALL_ROWS)
 );
 
 $page['title'] = getlocal("page_bans.title");
 $page['menuid'] = "blocked";
 
-$pagination = setup_pagination($blockedList);
+$pagination = setup_pagination($blocked_list);
 $page['pagination'] = $pagination['info'];
 $page['pagination.items'] = $pagination['items'];
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('blocked_visitors', $page);
-
-?>

src/mibew/operator/canned.php

@@ -29,7 +29,7 @@ require_once(MIBEW_FS_ROOT.'/libs/pagination.php');
 
 $operator = check_login();
 force_password($operator);
-csrfchecktoken();
+csrf_check_token();
 
 $page = array(
     'errors' => array(),
@@ -44,31 +44,30 @@ foreach ($all_locales as $id) {
 }
 $page['locales'] = $locales_with_label;
 
-$lang = verifyparam("lang", "/^[\w-]{2,5}$/", "");
+$lang = verify_param("lang", "/^[\w-]{2,5}$/", "");
 if (!$lang || !in_array($lang, $all_locales)) {
     $lang = in_array(CURRENT_LOCALE, $all_locales) ? CURRENT_LOCALE : $all_locales[0];
 }
 
 # groups
 
-$groupid = "";
+$group_id = verify_param("group", "/^\d{0,8}$/", "");
-$groupid = verifyparam("group", "/^\d{0,8}$/", "");
+if ($group_id) {
-if ($groupid) {
+    $group = group_by_id($group_id);
-	$group = group_by_id($groupid);
     if (!$group) {
         $page['errors'][] = getlocal("page.group.no_such");
-		$groupid = "";
+        $group_id = "";
     }
 }
 
-$allgroups = in_isolation($operator)?get_all_groups_for_operator($operator):get_all_groups();
+$all_groups = in_isolation($operator) ? get_all_groups_for_operator($operator) : get_all_groups();
 $page['groups'] = array();
 $page['groups'][] = array(
     'groupid' => '',
     'vclocalname' => getlocal("page.gen_button.default_group"),
-	'level' => 0
+    'level' => 0,
 );
-foreach ($allgroups as $g) {
+foreach ($all_groups as $g) {
     $page['groups'][] = $g;
 }
 
@@ -83,15 +82,17 @@ if (isset($_GET['act']) && $_GET['act'] == 'delete') {
 
     if (count($page['errors']) == 0) {
         $db = Database::getInstance();
-		$db->query("delete from {chatresponses} where id = ?", array($key));
+        $db->query("DELETE FROM {chatresponses} WHERE id = ?", array($key));
-		header("Location: " . MIBEW_WEB_ROOT . "/operator/canned.php?lang=" . urlencode($lang) . "&group=" . intval($groupid));
+        $redirect_to =  MIBEW_WEB_ROOT . "/operator/canned.php?lang="
+            . urlencode($lang) . "&group=" . intval($group_id);
+        header("Location: " . $redirect_to);
         exit;
     }
 }
 
 // Get messages and setup pagination
 
-$messages = load_canned_messages($lang, $groupid);
+$messages = load_canned_messages($lang, $group_id);
 $pagination = setup_pagination($messages);
 $page['pagination'] = $pagination['info'];
 $page['pagination.items'] = $pagination['items'];
@@ -99,16 +100,11 @@ $page['pagination.items'] = $pagination['items'];
 # form values
 
 $page['formlang'] = $lang;
-$page['formgroup'] = $groupid;
+$page['formgroup'] = $group_id;
 $page['title'] = getlocal("canned.title");
 $page['menuid'] = "canned";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('canned', $page);
-
-?>

src/mibew/operator/cannededit.php

@@ -25,9 +25,9 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/pagination.php');
 
 $operator = check_login();
-csrfchecktoken();
+csrf_check_token();
 
-$stringid = verifyparam("key", "/^\d{0,9}$/", "");
+$string_id = verify_param("key", "/^\d{0,9}$/", "");
 
 $page = array(
     'errors' => array(),
@@ -35,11 +35,11 @@ $page = array(
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 
-if ($stringid) {
+if ($string_id) {
-	$canned_message = load_canned_message($stringid);
+    $canned_message = load_canned_message($string_id);
     if (!$canned_message) {
         $page['errors'][] = getlocal("cannededit.no_such");
-		$stringid = "";
+        $string_id = "";
     } else {
         $title = $canned_message['vctitle'];
         $message = $canned_message['vcvalue'];
@@ -47,49 +47,41 @@ if ($stringid) {
 } else {
     $message = '';
     $title = '';
-	$page['locale'] = verifyparam("lang", "/^[\w-]{2,5}$/", "");
+    $page['locale'] = verify_param("lang", "/^[\w-]{2,5}$/", "");
     $page['groupid'] = "";
-	$page['groupid'] = verifyparam("group", "/^\d{0,8}$/");
+    $page['groupid'] = verify_param("group", "/^\d{0,8}$/");
 }
 
 if (isset($_POST['message']) && isset($_POST['title'])) {
-	$title = getparam('title');
+    $title = get_param('title');
     if (!$title) {
         $page['errors'][] = no_field("form.field.title");
     }
 
-	$message = getparam('message');
+    $message = get_param('message');
     if (!$message) {
         $page['errors'][] = no_field("form.field.message");
     }
 
     if (count($page['errors']) == 0) {
-		if ($stringid) {
+        if ($string_id) {
-			save_canned_message($stringid, $title, $message);
+            save_canned_message($string_id, $title, $message);
         } else {
             add_canned_message($page['locale'], $page['groupid'], $title, $message);
         }
         $page['saved'] = true;
-		$page = array_merge(
+        $page = array_merge($page, prepare_menu($operator, false));
-			$page,
-			prepare_menu($operator, false)
-		);
         $page_style->render('cannededit', $page);
         exit;
     }
 }
 
 $page['saved'] = false;
-$page['key'] = $stringid;
+$page['key'] = $string_id;
-$page['formtitle'] = topage($title);
+$page['formtitle'] = to_page($title);
-$page['formmessage'] = topage($message);
+$page['formmessage'] = to_page($message);
-$page['title'] = empty($stringid) ? getlocal("cannednew.title") : getlocal("cannededit.title");
+$page['title'] = empty($string_id) ? getlocal("cannednew.title") : getlocal("cannededit.title");
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator, false));
-	$page,
-	prepare_menu($operator, false)
-);
 
 $page_style->render('cannededit', $page);
-
-?>

src/mibew/operator/features.php

@@ -25,7 +25,7 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/settings.php');
 
 $operator = check_login();
-csrfchecktoken();
+csrf_check_token();
 
 $page = array(
     'agentId' => '',
@@ -33,13 +33,22 @@ $page = array(
 );
 
 $options = array(
-	'enableban', 'usercanchangename',
+    'enableban',
-	'enablegroups', 'enablegroupsisolation',
+    'usercanchangename',
-	'enablestatistics', 'enabletracking',
+    'enablegroups',
-	'enablessl', 'forcessl',
+    'enablegroupsisolation',
-	'enablepresurvey', 'surveyaskmail', 'surveyaskgroup', 'surveyaskmessage',
+    'enablestatistics',
-	'enablepopupnotification', 'showonlineoperators',
+    'enabletracking',
-	'enablecaptcha');
+    'enablessl',
+    'forcessl',
+    'enablepresurvey',
+    'surveyaskmail',
+    'surveyaskgroup',
+    'surveyaskmessage',
+    'enablepopupnotification',
+    'showonlineoperators',
+    'enablecaptcha',
+);
 
 if (Settings::get('featuresversion') != FEATURES_VERSION) {
     Settings::set('featuresversion', FEATURES_VERSION);
@@ -53,7 +62,7 @@ foreach ($options as $opt) {
 if (isset($_POST['sent'])) {
     if (is_capable(CAN_ADMINISTRATE, $operator)) {
         foreach ($options as $opt) {
-			Settings::set($opt,(verifyparam($opt, "/^on$/", "") == "on" ? "1" : "0"));
+            Settings::set($opt, (verify_param($opt, "/^on$/", "") == "on" ? "1" : "0"));
         }
         Settings::update();
         header("Location: " . MIBEW_WEB_ROOT . "/operator/features.php?stored");
@@ -72,14 +81,9 @@ foreach ($options as $opt) {
 $page['title'] = getlocal("settings.title");
 $page['menuid'] = "settings";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
 $page['tabs'] = setup_settings_tabs(1);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('features', $page);
-
-?>

src/mibew/operator/getcode.php

@@ -34,55 +34,67 @@ $page = array(
     'errors' => array(),
 );
 
-$imageLocales = get_image_locales_map(MIBEW_FS_ROOT.'/locales');
+$image_locales_map = get_image_locales_map(MIBEW_FS_ROOT . '/locales');
-$image = verifyparam(isset($_GET['image']) ? "image" : "i", "/^\w+$/", "mibew");
+$image = verify_param(isset($_GET['image']) ? "image" : "i", "/^\w+$/", "mibew");
-if (!isset($imageLocales[$image])) {
+if (!isset($image_locales_map[$image])) {
     $page['errors'][] = "Unknown image: $image";
-	$avail = array_keys($imageLocales);
+    $avail = array_keys($image_locales_map);
     $image = $avail[0];
 }
-$image_locales = $imageLocales[$image];
+$image_locales = $image_locales_map[$image];
 
-$stylelist = ChatStyle::availableStyles();
+$style_list = ChatStyle::availableStyles();
-$stylelist[""] = getlocal("page.preview.style_default");
+$style_list[""] = getlocal("page.preview.style_default");
-$style = verifyparam("style", "/^\w*$/", "");
+$style = verify_param("style", "/^\w*$/", "");
-if ($style && !in_array($style, $stylelist)) {
+if ($style && !in_array($style, $style_list)) {
     $style = "";
 }
 
-$invitationstylelist = InvitationStyle::availableStyles();
+$invitation_style_list = InvitationStyle::availableStyles();
-$invitationstylelist[""] = getlocal("page.preview.style_default");
+$invitation_style_list[""] = getlocal("page.preview.style_default");
-$invitationstyle = verifyparam("invitationstyle", "/^\w*$/", "");
+$invitation_style = verify_param("invitationstyle", "/^\w*$/", "");
-if ($invitationstyle && !in_array($invitationstyle, $invitationstylelist)) {
+if ($invitation_style && !in_array($invitation_style, $invitation_style_list)) {
-	$invitationstyle = "";
+    $invitation_style = "";
 }
 
-$groupid = verifyparam_groupid("group", $page['errors']);
+$group_id = verifyparam_groupid("group", $page['errors']);
-$showhost = verifyparam("hostname", "/^on$/", "") == "on";
+$show_host = verify_param("hostname", "/^on$/", "") == "on";
-$forcesecure = verifyparam("secure", "/^on$/", "") == "on";
+$force_secure = verify_param("secure", "/^on$/", "") == "on";
-$modsecurity = verifyparam("modsecurity", "/^on$/", "") == "on";
+$mod_security = verify_param("modsecurity", "/^on$/", "") == "on";
 
-$code_type = verifyparam("codetype", "/^(button|operator_code)$/", "button");
+$code_type = verify_param("codetype", "/^(button|operator_code)$/", "button");
 $operator_code = ($code_type == "operator_code");
 
-$lang = verifyparam("lang", "/^[\w-]{2,5}$/", "");
+$lang = verify_param("lang", "/^[\w-]{2,5}$/", "");
-if (!$lang || !in_array($lang, $image_locales))
+if (!$lang || !in_array($lang, $image_locales)) {
     $lang = in_array(CURRENT_LOCALE, $image_locales) ? CURRENT_LOCALE : $image_locales[0];
+}
 
 $file = MIBEW_FS_ROOT . '/locales/${lang}/button/${image}_on.gif';
 $size = get_gifimage_size($file);
 
-$imagehref = get_app_location($showhost, $forcesecure) . "/b.php?i=$image&lang=$lang";
+$image_href = get_app_location($show_host, $force_secure) . "/b.php?i=$image&lang=$lang";
-if ($groupid) {
+if ($group_id) {
-	$imagehref .= "&group=$groupid";
+    $image_href .= "&group=$group_id";
 }
-$message = get_image($imagehref, $size[0], $size[1]);
+$message = get_image($image_href, $size[0], $size[1]);
 
-$page['buttonCode'] = generate_button("", $lang, $style, $invitationstyle, $groupid, $message, $showhost, $forcesecure, $modsecurity, $operator_code);
+$page['buttonCode'] = generate_button(
-$page['availableImages'] = array_keys($imageLocales);
+    "",
+    $lang,
+    $style,
+    $invitation_style,
+    $group_id,
+    $message,
+    $show_host,
+    $force_secure,
+    $mod_security,
+    $operator_code
+);
+$page['availableImages'] = array_keys($image_locales_map);
 $page['availableLocales'] = $image_locales;
-$page['availableChatStyles'] = $stylelist;
+$page['availableChatStyles'] = $style_list;
-$page['availableInvitationStyles'] = $invitationstylelist;
+$page['availableInvitationStyles'] = $invitation_style_list;
 $page['groups'] = get_groups_list();
 
 $page['availableCodeTypes'] = array(
@@ -90,14 +102,14 @@ $page['availableCodeTypes'] = array(
     'operator_code' => getlocal('page.gen_button.operator_code')
 );
 
-$page['formgroup'] = $groupid;
+$page['formgroup'] = $group_id;
 $page['formstyle'] = $style;
-$page['forminvitationstyle'] = $invitationstyle;
+$page['forminvitationstyle'] = $invitation_style;
 $page['formimage'] = $image;
 $page['formlang'] = $lang;
-$page['formhostname'] = $showhost;
+$page['formhostname'] = $show_host;
-$page['formsecure'] = $forcesecure;
+$page['formsecure'] = $force_secure;
-$page['formmodsecurity'] = $modsecurity;
+$page['formmodsecurity'] = $mod_security;
 $page['formcodetype'] = $code_type;
 
 $page['enabletracking'] = Settings::get('enabletracking');
@@ -106,12 +118,7 @@ $page['operator_code'] = $operator_code;
 $page['title'] = getlocal("page.gen_button.title");
 $page['menuid'] = "getcode";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('gen_button', $page);
-
-?>

src/mibew/operator/group.php

@@ -24,133 +24,137 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/groups.php');
 
 $operator = check_login();
-csrfchecktoken();
+csrf_check_token();
 
 $page = array(
     'grid' => '',
     'errors' => array(),
 );
 
-$groupid = '';
+$group_id = '';
 
 if (isset($_POST['name'])) {
-	$groupid = verifyparam("gid", "/^(\d{1,9})?$/", "");
+    $group_id = verify_param("gid", "/^(\d{1,9})?$/", "");
-	$name = getparam('name');
+    $name = get_param('name');
-	$description = getparam('description');
+    $description = get_param('description');
-	$commonname = getparam('commonname');
+    $common_name = get_param('commonname');
-	$commondescription = getparam('commondescription');
+    $common_description = get_param('commondescription');
-	$email = getparam('email');
+    $email = get_param('email');
-	$weight = getparam('weight');
+    $weight = get_param('weight');
-	$parentgroup = verifyparam("parentgroup", "/^(\d{1,9})?$/", "");
+    $parent_group = verify_param("parentgroup", "/^(\d{1,9})?$/", "");
-	$title = getparam('title');
+    $title = get_param('title');
-	$chattitle = getparam('chattitle');
+    $chat_title = get_param('chattitle');
-	$hosturl = getparam('hosturl');
+    $host_url = get_param('hosturl');
-	$logo = getparam('logo');
+    $logo = get_param('logo');
 
-	if (!$name)
+    if (!$name) {
         $page['errors'][] = no_field("form.field.groupname");
+    }
 
-	if ($email != '' && !is_valid_email($email))
+    if ($email != '' && !is_valid_email($email)) {
         $page['errors'][] = wrong_field("form.field.mail");
+    }
 
-	if (! preg_match("/^(\d{1,9})?$/", $weight))
+    if (!preg_match("/^(\d{1,9})?$/", $weight)) {
         $page['errors'][] = wrong_field("form.field.groupweight");
+    }
 
-	if ($weight == '')
+    if ($weight == '') {
         $weight = 0;
+    }
 
-	if (! $parentgroup)
+    if (!$parent_group) {
-		$parentgroup = NULL;
+        $parent_group = null;
+    }
 
     $existing_group = group_by_name($name);
-	if ((!$groupid && $existing_group) ||
+    $duplicate_name = (!$group_id && $existing_group)
-		($groupid && $existing_group && $groupid != $existing_group['groupid']))
+        || ($group_id
+            && $existing_group
+            && $group_id != $existing_group['groupid']);
+
+    if ($duplicate_name) {
         $page['errors'][] = getlocal("page.group.duplicate_name");
+    }
 
     if (count($page['errors']) == 0) {
-		if (!$groupid) {
+        if (!$group_id) {
-			$newdep = create_group(array(
+            $new_dep = create_group(array(
                 'name' => $name,
                 'description' => $description,
-				'commonname' => $commonname,
+                'commonname' => $common_name,
-				'commondescription' => $commondescription,
+                'commondescription' => $common_description,
                 'email' => $email,
                 'weight' => $weight,
-				'parent' => $parentgroup,
+                'parent' => $parent_group,
                 'title' => $title,
-				'chattitle' => $chattitle,
+                'chattitle' => $chat_title,
-				'hosturl' => $hosturl,
+                'hosturl' => $host_url,
                 'logo' => $logo));
-			header("Location: " . MIBEW_WEB_ROOT . "/operator/groupmembers.php?gid=" . intval($newdep['groupid']));
+            header("Location: " . MIBEW_WEB_ROOT . "/operator/groupmembers.php?gid=" . intval($new_dep['groupid']));
             exit;
         } else {
             update_group(array(
-				'id' => $groupid,
+                'id' => $group_id,
                 'name' => $name,
                 'description' => $description,
-				'commonname' => $commonname,
+                'commonname' => $common_name,
-				'commondescription' => $commondescription,
+                'commondescription' => $common_description,
                 'email' => $email,
                 'weight' => $weight,
-				'parent' => $parentgroup,
+                'parent' => $parent_group,
                 'title' => $title,
-				'chattitle' => $chattitle,
+                'chattitle' => $chat_title,
-				'hosturl' => $hosturl,
+                'hosturl' => $host_url,
                 'logo' => $logo));
-			header("Location: " . MIBEW_WEB_ROOT . "/operator/group.php?gid=" . intval($groupid) . "&stored");
+            header("Location: " . MIBEW_WEB_ROOT . "/operator/group.php?gid=" . intval($group_id) . "&stored");
             exit;
         }
     } else {
-		$page['formname'] = topage($name);
+        $page['formname'] = to_page($name);
-		$page['formdescription'] = topage($description);
+        $page['formdescription'] = to_page($description);
-		$page['formcommonname'] = topage($commonname);
+        $page['formcommonname'] = to_page($common_name);
-		$page['formcommondescription'] = topage($commondescription);
+        $page['formcommondescription'] = to_page($common_description);
-		$page['formemail'] = topage($email);
+        $page['formemail'] = to_page($email);
-		$page['formweight'] = topage($weight);
+        $page['formweight'] = to_page($weight);
-		$page['formparentgroup'] = topage($parentgroup);
+        $page['formparentgroup'] = to_page($parent_group);
-		$page['grid'] = topage($groupid);
+        $page['grid'] = to_page($group_id);
-		$page['formtitle'] = topage($title);
+        $page['formtitle'] = to_page($title);
-		$page['formchattitle'] = topage($chattitle);
+        $page['formchattitle'] = to_page($chat_title);
-		$page['formhosturl'] = topage($hosturl);
+        $page['formhosturl'] = to_page($host_url);
-		$page['formlogo'] = topage($logo);
+        $page['formlogo'] = to_page($logo);
     }
-
 } elseif (isset($_GET['gid'])) {
-	$groupid = verifyparam('gid', "/^\d{1,9}$/");
+    $group_id = verify_param('gid', "/^\d{1,9}$/");
-	$group = group_by_id($groupid);
+    $group = group_by_id($group_id);
 
     if (!$group) {
         $page['errors'][] = getlocal("page.group.no_such");
-		$page['grid'] = topage($groupid);
+        $page['grid'] = to_page($group_id);
     } else {
-		$page['formname'] = topage($group['vclocalname']);
+        $page['formname'] = to_page($group['vclocalname']);
-		$page['formdescription'] = topage($group['vclocaldescription']);
+        $page['formdescription'] = to_page($group['vclocaldescription']);
-		$page['formcommonname'] = topage($group['vccommonname']);
+        $page['formcommonname'] = to_page($group['vccommonname']);
-		$page['formcommondescription'] = topage($group['vccommondescription']);
+        $page['formcommondescription'] = to_page($group['vccommondescription']);
-		$page['formemail'] = topage($group['vcemail']);
+        $page['formemail'] = to_page($group['vcemail']);
-		$page['formweight'] = topage($group['iweight']);
+        $page['formweight'] = to_page($group['iweight']);
-		$page['formparentgroup'] = topage($group['parent']);
+        $page['formparentgroup'] = to_page($group['parent']);
-		$page['grid'] = topage($group['groupid']);
+        $page['grid'] = to_page($group['groupid']);
-		$page['formtitle'] = topage($group['vctitle']);
+        $page['formtitle'] = to_page($group['vctitle']);
-		$page['formchattitle'] = topage($group['vcchattitle']);
+        $page['formchattitle'] = to_page($group['vcchattitle']);
-		$page['formhosturl'] = topage($group['vchosturl']);
+        $page['formhosturl'] = to_page($group['vchosturl']);
-		$page['formlogo'] = topage($group['vclogo']);
+        $page['formlogo'] = to_page($group['vclogo']);
     }
 }
 
 $page['stored'] = isset($_GET['stored']);
-$page['availableParentGroups'] = get_available_parent_groups($groupid);
+$page['availableParentGroups'] = get_available_parent_groups($group_id);
 $page['title'] = getlocal("page.group.title");
 $page['menuid'] = "groups";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
-$page['tabs'] = setup_group_settings_tabs($groupid, 0);
+$page['tabs'] = setup_group_settings_tabs($group_id, 0);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('group', $page);
-
-?>

src/mibew/operator/groupmembers.php

@@ -24,36 +24,35 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/groups.php');
 
 $operator = check_login();
-csrfchecktoken();
+csrf_check_token();
 
-$groupid = verifyparam("gid", "/^\d{1,9}$/");
+$group_id = verify_param("gid", "/^\d{1,9}$/");
-$page = array('groupid' => $groupid);
+$page = array('groupid' => $group_id);
 $page['operators'] = get_operators_list(array());
 $page['errors'] = array();
 
-$group = group_by_id($groupid);
+$group = group_by_id($group_id);
 
 if (!$group) {
     $page['errors'][] = getlocal("page.group.no_such");
-
 } elseif (isset($_POST['gid'])) {
 
     $new_members = array();
     foreach ($page['operators'] as $op) {
-		if (verifyparam("op" . $op['operatorid'], "/^on$/", "") == "on") {
+        if (verify_param("op" . $op['operatorid'], "/^on$/", "") == "on") {
             $new_members[] = $op['operatorid'];
         }
     }
 
-	update_group_members($groupid, $new_members);
+    update_group_members($group_id, $new_members);
-	header("Location: " . MIBEW_WEB_ROOT . "/operator/groupmembers.php?gid=" . intval($groupid) . "&stored");
+    header("Location: " . MIBEW_WEB_ROOT . "/operator/groupmembers.php?gid=" . intval($group_id) . "&stored");
     exit;
 }
 
 $page['formop'] = array();
-$page['currentgroup'] = $group ? topage(htmlspecialchars($group['vclocalname'])) : "";
+$page['currentgroup'] = $group ? to_page(htmlspecialchars($group['vclocalname'])) : "";
 
-foreach (get_group_members($groupid) as $rel) {
+foreach (get_group_members($group_id) as $rel) {
     $page['formop'][] = $rel['operatorid'];
 }
 
@@ -61,14 +60,9 @@ $page['stored'] = isset($_GET['stored']);
 $page['title'] = getlocal("page.groupmembers.title");
 $page['menuid'] = "groups";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
-$page['tabs'] = setup_group_settings_tabs($groupid, 1);
+$page['tabs'] = setup_group_settings_tabs($group_id, 1);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('groupmembers', $page);
-
-?>

src/mibew/operator/groups.php

@@ -25,13 +25,13 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/groups.php');
 
 $operator = check_login();
-csrfchecktoken();
+csrf_check_token();
 
 if (isset($_GET['act']) && $_GET['act'] == 'del') {
 
-	$groupid = isset($_GET['gid']) ? $_GET['gid'] : "";
+    $group_id = isset($_GET['gid']) ? $_GET['gid'] : "";
 
-	if (!preg_match("/^\d+$/", $groupid)) {
+    if (!preg_match("/^\d+$/", $group_id)) {
         $page['errors'][] = getlocal("page.groups.error.cannot_delete");
     }
 
@@ -41,17 +41,17 @@ if (isset($_GET['act']) && $_GET['act'] == 'del') {
 
     if (count($page['errors']) == 0) {
         $db = Database::getInstance();
-		$db->query("delete from {chatgroup} where groupid = ?", array($groupid));
+        $db->query("delete from {chatgroup} where groupid = ?", array($group_id));
-		$db->query("delete from {chatgroupoperator} where groupid = ?", array($groupid));
+        $db->query("delete from {chatgroupoperator} where groupid = ?", array($group_id));
-		$db->query("update {chatthread} set groupid = 0 where groupid = ?",array($groupid));
+        $db->query("update {chatthread} set groupid = 0 where groupid = ?", array($group_id));
         header("Location: " . MIBEW_WEB_ROOT . "/operator/groups.php");
         exit;
     }
 }
 
 $page = array();
-$sort['by'] = verifyparam("sortby", "/^(name|lastseen|weight)$/", "name");
+$sort['by'] = verify_param("sortby", "/^(name|lastseen|weight)$/", "name");
-$sort['desc'] = (verifyparam("sortdirection", "/^(desc|asc)$/", "desc") == "desc");
+$sort['desc'] = (verify_param("sortdirection", "/^(desc|asc)$/", "desc") == "desc");
 $page['groups'] = get_sorted_groups($sort);
 $page['formsortby'] = $sort['by'];
 $page['formsortdirection'] = $sort['desc'] ? 'desc' : 'asc';
@@ -59,7 +59,7 @@ $page['canmodify'] = is_capable(CAN_ADMINISTRATE, $operator);
 $page['availableOrders'] = array(
     array('id' => 'name', 'name' => getlocal('form.field.groupname')),
     array('id' => 'lastseen', 'name' => getlocal('page_agents.status')),
-	array('id' => 'weight', 'name' => getlocal('page.groups.weight'))
+    array('id' => 'weight', 'name' => getlocal('page.groups.weight')),
 );
 $page['availableDirections'] = array(
     array('id' => 'desc', 'name' => getlocal('page.groups.sortdirection.desc')),
@@ -69,12 +69,7 @@ $page['availableDirections'] = array(
 $page['title'] = getlocal("page.groups.title");
 $page['menuid'] = "groups";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('groups', $page);
-
-?>

src/mibew/operator/history.php

@@ -27,6 +27,7 @@ require_once(MIBEW_FS_ROOT.'/libs/chat.php');
 require_once(MIBEW_FS_ROOT . '/libs/userinfo.php');
 require_once(MIBEW_FS_ROOT . '/libs/pagination.php');
 require_once(MIBEW_FS_ROOT . '/libs/cron.php');
+require_once(MIBEW_FS_ROOT . '/libs/track.php');
 
 $operator = check_login();
 force_password($operator);
@@ -36,60 +37,63 @@ setlocale(LC_TIME, getstring("time.locale"));
 $page = array();
 $query = isset($_GET['q']) ? myiconv(getoutputenc(), MIBEW_ENCODING, $_GET['q']) : false;
 
-$searchType = verifyparam('type', '/^(all|message|operator|visitor)$/', 'all');
+$search_type = verify_param('type', '/^(all|message|operator|visitor)$/', 'all');
-$searchInSystemMessages = (verifyparam('insystemmessages', '/^on$/', 'off') == 'on') || !$query;
+$search_in_system_messages = (verify_param('insystemmessages', '/^on$/', 'off') == 'on') || !$query;
 
 if ($query !== false) {
     $db = Database::getInstance();
     $groups = $db->query(
-		"select {chatgroup}.groupid as groupid, vclocalname " .
+        ("SELECT {chatgroup}.groupid AS groupid, vclocalname " .
-		"from {chatgroup} order by vclocalname",
+            "FROM {chatgroup} " .
-		NULL,
+            "ORDER BY vclocalname"),
+        null,
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
 
-	$groupName = array();
+    $group_name = array();
     foreach ($groups as $group) {
-		$groupName[$group['groupid']] = $group['vclocalname'];
+        $group_name[$group['groupid']] = $group['vclocalname'];
     }
-	$page['groupName'] = $groupName;
+    $page['groupName'] = $group_name;
 
     $values = array(
         ':query' => "%{$query}%",
         ':invitation_accepted' => Thread::INVITATION_ACCEPTED,
-		':invitation_not_invited' => Thread::INVITATION_NOT_INVITED
+        ':invitation_not_invited' => Thread::INVITATION_NOT_INVITED,
     );
 
-	$searchConditions = array();
+    $search_conditions = array();
-	if ($searchType == 'message' || $searchType == 'all') {
+    if ($search_type == 'message' || $search_type == 'all') {
-		$searchConditions[] = "({chatmessage}.tmessage LIKE :query" .
+        $search_conditions[] = "({chatmessage}.tmessage LIKE :query"
-					($searchInSystemMessages?'':" AND ({chatmessage}.ikind = :kind_user OR {chatmessage}.ikind = :kind_agent)") .
+            . ($search_in_system_messages
-					")";
+                ? ''
-		if (! $searchInSystemMessages) {
+                : " AND ({chatmessage}.ikind = :kind_user OR {chatmessage}.ikind = :kind_agent)")
+            . ")";
+        if (!$search_in_system_messages) {
             $values[':kind_user'] = Thread::KIND_USER;
             $values[':kind_agent'] = Thread::KIND_AGENT;
         }
     }
-	if ($searchType == 'operator' || $searchType == 'all') {
+    if ($search_type == 'operator' || $search_type == 'all') {
-		$searchConditions[] = "({chatthread}.agentName LIKE :query)";
+        $search_conditions[] = "({chatthread}.agentName LIKE :query)";
     }
-	if ($searchType == 'visitor' || $searchType == 'all') {
+    if ($search_type == 'visitor' || $search_type == 'all') {
-		$searchConditions[] = "({chatthread}.userName LIKE :query)";
+        $search_conditions[] = "({chatthread}.userName LIKE :query)";
-		$searchConditions[] = "({chatthread}.remote LIKE :query)";
+        $search_conditions[] = "({chatthread}.remote LIKE :query)";
     }
 
     // Load threads
     list($threads_count) = $db->query(
-		"SELECT COUNT(DISTINCT {chatthread}.dtmcreated) " .
+        ("SELECT COUNT(DISTINCT {chatthread}.dtmcreated) "
-			"FROM {chatthread}, {chatmessage} " .
+        . "FROM {chatthread}, {chatmessage} "
-			"WHERE {chatmessage}.threadid = {chatthread}.threadid " .
+        . "WHERE {chatmessage}.threadid = {chatthread}.threadid "
-				"AND ({chatthread}.invitationstate = :invitation_accepted " .
+            . "AND ({chatthread}.invitationstate = :invitation_accepted "
-					"OR {chatthread}.invitationstate = :invitation_not_invited) " .
+                . "OR {chatthread}.invitationstate = :invitation_not_invited) "
-				"AND (" . implode(' OR ', $searchConditions) . ")",
+            . "AND (" . implode(' OR ', $search_conditions) . ")"),
         $values,
         array(
             'return_rows' => Database::RETURN_ONE_ROW,
-			'fetch_type' => Database::FETCH_NUM
+            'fetch_type' => Database::FETCH_NUM,
         )
     );
 
@@ -102,14 +106,14 @@ if ($query !== false) {
         $limit_end = intval($pagination_info['end'] - $pagination_info['start']);
 
         $threads_list = $db->query(
-			"SELECT DISTINCT {chatthread}.* " .
+            ("SELECT DISTINCT {chatthread}.* "
-				"FROM {chatthread}, {chatmessage} " .
+            . "FROM {chatthread}, {chatmessage} "
-				"WHERE {chatmessage}.threadid = {chatthread}.threadid " .
+            . "WHERE {chatmessage}.threadid = {chatthread}.threadid "
-					"AND ({chatthread}.invitationstate = :invitation_accepted " .
+                . "AND ({chatthread}.invitationstate = :invitation_accepted "
-						"OR {chatthread}.invitationstate = :invitation_not_invited) " .
+                    . "OR {chatthread}.invitationstate = :invitation_not_invited) "
-					"AND (" . implode(' OR ', $searchConditions) . ") " .
+                . "AND (" . implode(' OR ', $search_conditions) . ") "
-				"ORDER BY {chatthread}.dtmcreated DESC " .
+            . "ORDER BY {chatthread}.dtmcreated DESC "
-				"LIMIT " . $limit_start . ", " .$limit_end,
+            . "LIMIT " . $limit_start . ", " . $limit_end),
             $values,
             array('return_rows' => Database::RETURN_ALL_ROWS)
         );
@@ -122,23 +126,18 @@ if ($query !== false) {
         $page['pagination.items'] = false;
     }
 
-	$page['formq'] = topage($query);
+    $page['formq'] = to_page($query);
 } else {
     $page['pagination'] = false;
     $page['pagination.items'] = false;
 }
 
-$page['formtype'] = $searchType;
+$page['formtype'] = $search_type;
-$page['forminsystemmessages'] = $searchInSystemMessages;
+$page['forminsystemmessages'] = $search_in_system_messages;
 $page['title'] = getlocal("page_analysis.search.title");
 $page['menuid'] = "history";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('thread_search', $page);
-
-?>

src/mibew/operator/index.php

@@ -26,7 +26,7 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 $operator = check_login();
 force_password($operator);
 
-$isonline = is_operator_online($operator['operatorid']);
+$is_online = is_operator_online($operator['operatorid']);
 
 $page = array(
     'version' => MIBEW_VERSION,
@@ -37,17 +37,12 @@ $page = array(
     'updateWizard' => MIBEW_WEB_ROOT . "/install/",
     'newFeatures' => Settings::get('featuresversion') != FEATURES_VERSION,
     'featuresPage' => MIBEW_WEB_ROOT . "/operator/features.php",
-	'isOnline' => $isonline,
+    'isOnline' => $is_online,
     'title' => getlocal("topMenu.admin"),
     'menuid' => "main",
 );
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('menu', $page);
-
-?>

src/mibew/operator/invitationstate.php

@@ -21,5 +21,3 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 
 $processor = \Mibew\RequestProcessor\InviteProcessor::getInstance();
 $processor->receiveRequest($_POST['data']);
-
-?>

src/mibew/operator/invitationthemes.php

@@ -28,28 +28,25 @@ require_once(MIBEW_FS_ROOT.'/libs/settings.php');
 
 $operator = check_login();
 
-$stylelist = InvitationStyle::availableStyles();
+$style_list = InvitationStyle::availableStyles();
 
-$preview = verifyparam("preview", "/^\w+$/", "default");
+$preview = verify_param("preview", "/^\w+$/", "default");
-if (!in_array($preview, $stylelist)) {
+if (!in_array($preview, $style_list)) {
-	$preview = $stylelist[0];
+    $preview = $style_list[0];
 }
 
 $page['formpreview'] = $preview;
 $page['preview'] = $preview;
-$page['availablePreviews'] = $stylelist;
+$page['availablePreviews'] = $style_list;
-$page['operatorName'] = (empty($operator['vclocalname'])?$operator['vccommonname']:$operator['vclocalname']);
+$page['operatorName'] = (empty($operator['vclocalname'])
+    ? $operator['vccommonname']
+    : $operator['vclocalname']);
 $page['title'] = getlocal("page.preview.title");
 $page['menuid'] = "settings";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
 $page['tabs'] = setup_settings_tabs(5);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('invitation_themes', $page);
-
-?>

src/mibew/operator/invite.php

@@ -17,22 +17,21 @@
 
 require_once(dirname(dirname(__FILE__)) . '/libs/init.php');
 require_once(MIBEW_FS_ROOT . '/libs/invitation.php');
-require_once(MIBEW_FS_ROOT.'/libs/track.php');
+require_once(MIBEW_FS_ROOT . '/libs/chat.php');
 require_once(MIBEW_FS_ROOT . '/libs/operator.php');
+require_once(MIBEW_FS_ROOT . '/libs/track.php');
 
 $operator = check_login();
 
-$visitorid = verifyparam("visitor", "/^\d{1,8}$/");
+$visitor_id = verify_param("visitor", "/^\d{1,8}$/");
 
-$thread = invitation_invite($visitorid, $operator);
+$thread = invitation_invite($visitor_id, $operator);
 if (!$thread) {
     die("Invitation failed!");
 }
 
 // Open chat window for operator
-$redirect_to = MIBEW_WEB_ROOT .
+$redirect_to = MIBEW_WEB_ROOT
-	'/operator/agent.php?thread=' . intval($thread->id) .
+    . '/operator/agent.php?thread=' . intval($thread->id)
-	'&token=' . urlencode($thread->lastToken);
+    . '&token=' . urlencode($thread->lastToken);
 header('Location: ' . $redirect_to);
-
-?>

src/mibew/operator/login.php

@@ -29,18 +29,20 @@ $page = array(
 );
 
 if (isset($_POST['login']) && isset($_POST['password'])) {
-	$login = getparam('login');
+    $login = get_param('login');
-	$password = getparam('password');
+    $password = get_param('password');
     $remember = isset($_POST['isRemember']) && $_POST['isRemember'] == "on";
 
     $operator = operator_by_login($login);
-	if ($operator && isset($operator['vcpassword']) && check_password_hash($operator['vclogin'], $password, $operator['vcpassword']) && !operator_is_disabled($operator)) {
+    $operator_can_login = $operator
+        && isset($operator['vcpassword'])
+        && check_password_hash($operator['vclogin'], $password, $operator['vcpassword'])
+        && !operator_is_disabled($operator);
 
+    if ($operator_can_login) {
         $target = $password == ''
             ? MIBEW_WEB_ROOT . "/operator/operator.php?op=" . intval($operator['operatorid'])
-				: (isset($_SESSION['backpath'])
+            : (isset($_SESSION['backpath']) ? $_SESSION['backpath'] : MIBEW_WEB_ROOT . "/operator/index.php");
-					? $_SESSION['backpath']
-					: MIBEW_WEB_ROOT . "/operator/index.php");
 
         login_operator($operator, $remember, is_secure_request());
         header("Location: $target");
@@ -54,10 +56,11 @@ if (isset($_POST['login']) && isset($_POST['password'])) {
         $page['formlogin'] = $login;
     }
 } elseif (isset($_GET['login'])) {
-	$login = getgetparam('login');
+    $login = get_get_param('login');
-	if (preg_match("/^(\w{1,15})$/", $login))
+    if (preg_match("/^(\w{1,15})$/", $login)) {
         $page['formlogin'] = $login;
     }
+}
 
 $page['localeLinks'] = get_locale_links(MIBEW_WEB_ROOT . "/operator/login.php");
 $page['title'] = getlocal("page_login.title");
@@ -67,5 +70,3 @@ $page['fixedwrap'] = true;
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('login', $page);
-
-?>

src/mibew/operator/logout.php

@@ -21,5 +21,3 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 logout_operator();
 
 header("Location: " . MIBEW_WEB_ROOT . "/operator/login.php");
-exit;
-?>

src/mibew/operator/operator.php

@@ -24,34 +24,36 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/operator_settings.php');
 
 $operator = check_login();
-csrfchecktoken();
+csrf_check_token();
 
 $page = array(
     'opid' => '',
     'errors' => array(),
 );
 
-$opId = '';
+$op_id = '';
 
 if ((isset($_POST['login']) || !is_capable(CAN_ADMINISTRATE, $operator)) && isset($_POST['password'])) {
-	$opId = verifyparam("opid", "/^(\d{1,9})?$/", "");
+    $op_id = verify_param("opid", "/^(\d{1,9})?$/", "");
     if (is_capable(CAN_ADMINISTRATE, $operator)) {
-		$login = getparam('login');
+        $login = get_param('login');
     } else {
         $login = $operator['vclogin'];
     }
-	$email = getparam('email');
+    $email = get_param('email');
-	$password = getparam('password');
+    $password = get_param('password');
-	$passwordConfirm = getparam('passwordConfirm');
+    $password_confirm = get_param('passwordConfirm');
-	$localname = getparam('name');
+    $local_name = get_param('name');
-	$commonname = getparam('commonname');
+    $common_name = get_param('commonname');
-	$code = getparam('code');
+    $code = get_param('code');
 
-	if (!$localname)
+    if (!$local_name) {
         $page['errors'][] = no_field("form.field.agent_name");
+    }
 
-	if (!$commonname)
+    if (!$common_name) {
         $page['errors'][] = no_field("form.field.agent_commonname");
+    }
 
     if (!$login) {
         $page['errors'][] = no_field("form.field.login");
@@ -67,107 +69,108 @@ if ((isset($_POST['login']) || !is_capable(CAN_ADMINISTRATE, $operator)) && isse
         $page['errors'][] = getlocal("page_agent.error.wrong_agent_code");
     }
 
-	if (!$opId && !$password)
+    if (!$op_id && !$password) {
         $page['errors'][] = no_field("form.field.password");
+    }
 
-	if ($password != $passwordConfirm)
+    if ($password != $password_confirm) {
         $page['errors'][] = getlocal("my_settings.error.password_match");
+    }
 
     $existing_operator = operator_by_login($login);
-	if ((!$opId && $existing_operator) ||
+    $duplicate_login = (!$op_id && $existing_operator)
-		($opId && $existing_operator && $opId != $existing_operator['operatorid']))
+        || ($op_id
+            && $existing_operator
+            && $op_id != $existing_operator['operatorid']);
+    if ($duplicate_login) {
         $page['errors'][] = getlocal("page_agent.error.duplicate_login");
+    }
 
     // Check if operator with specified email already exists in the database
     $existing_operator = operator_by_email($email);
-	if (
+    $duplicate_email =
         // Create operator with email already in database
-		(!$opId && $existing_operator) ||
+        (!$op_id && $existing_operator)
         // Update operator email to existing one
-		($opId && $existing_operator && $opId != $existing_operator['operatorid'])
+        || ($op_id
-	) {
+            && $existing_operator
+            && $op_id != $existing_operator['operatorid']);
+    if ($duplicate_email) {
         $page['errors'][] = getlocal("page_agent.error.duplicate_email");
     }
 
-	$canmodify = ($opId == $operator['operatorid'] && is_capable(CAN_MODIFYPROFILE, $operator))
+    $can_modify = ($op_id == $operator['operatorid'] && is_capable(CAN_MODIFYPROFILE, $operator))
         || is_capable(CAN_ADMINISTRATE, $operator);
-	if (!$canmodify) {
+    if (!$can_modify) {
         $page['errors'][] = getlocal('page_agent.cannot_modify');
     }
 
     if (count($page['errors']) == 0) {
-		if (!$opId) {
+        if (!$op_id) {
-			$newop = create_operator($login, $email, $password, $localname, $commonname, "", $code);
+            $new_operator = create_operator($login, $email, $password, $local_name, $common_name, "", $code);
-			header("Location: " . MIBEW_WEB_ROOT . "/operator/avatar.php?op=" . intval($newop['operatorid']));
+            header("Location: " . MIBEW_WEB_ROOT . "/operator/avatar.php?op=" . intval($new_operator['operatorid']));
             exit;
         } else {
-			update_operator($opId, $login, $email, $password, $localname, $commonname, $code);
+            update_operator($op_id, $login, $email, $password, $local_name, $common_name, $code);
             // update the session password
-			if (!empty($password) && $opId == $operator['operatorid']) {
+            if (!empty($password) && $op_id == $operator['operatorid']) {
-				$toDashboard = check_password_hash($login, '', $operator['vcpassword']) && $password != '';
+                $to_dashboard = check_password_hash($login, '', $operator['vcpassword']) && $password != '';
                 $_SESSION[SESSION_PREFIX . "operator"]['vcpassword'] = calculate_password_hash($login, $password);
-				if($toDashboard) {
+                if ($to_dashboard) {
                     header("Location: " . MIBEW_WEB_ROOT . "/operator/index.php");
                     exit;
                 }
             }
-			header("Location: " . MIBEW_WEB_ROOT . "/operator/operator.php?op=" . intval($opId) . "&stored");
+            header("Location: " . MIBEW_WEB_ROOT . "/operator/operator.php?op=" . intval($op_id) . "&stored");
             exit;
         }
     } else {
-		$page['formlogin'] = topage($login);
+        $page['formlogin'] = to_page($login);
-		$page['formname'] = topage($localname);
+        $page['formname'] = to_page($local_name);
-		$page['formemail'] = topage($email);
+        $page['formemail'] = to_page($email);
-		$page['formcommonname'] = topage($commonname);
+        $page['formcommonname'] = to_page($common_name);
-		$page['formcode'] = topage($code);
+        $page['formcode'] = to_page($code);
-		$page['opid'] = topage($opId);
+        $page['opid'] = to_page($op_id);
     }
-
 } elseif (isset($_GET['op'])) {
-	$opId = verifyparam('op', "/^\d{1,9}$/");
+    $op_id = verify_param('op', "/^\d{1,9}$/");
-	$op = operator_by_id($opId);
+    $op = operator_by_id($op_id);
 
     if (!$op) {
         $page['errors'][] = getlocal("no_such_operator");
-		$page['opid'] = topage($opId);
+        $page['opid'] = to_page($op_id);
     } else {
         //show an error if the admin password hasn't been set yet.
-		if (check_password_hash($operator['vclogin'], '', $operator['vcpassword']) && !isset($_GET['stored']))
+        if (check_password_hash($operator['vclogin'], '', $operator['vcpassword']) && !isset($_GET['stored'])) {
-		{
             $page['errors'][] = getlocal("my_settings.error.no_password");
         }
 
-		$page['formlogin'] = topage($op['vclogin']);
+        $page['formlogin'] = to_page($op['vclogin']);
-		$page['formname'] = topage($op['vclocalename']);
+        $page['formname'] = to_page($op['vclocalename']);
-		$page['formemail'] = topage($op['vcemail']);
+        $page['formemail'] = to_page($op['vcemail']);
-		$page['formcommonname'] = topage($op['vccommonname']);
+        $page['formcommonname'] = to_page($op['vccommonname']);
-		$page['formcode'] = topage($op['code']);
+        $page['formcode'] = to_page($op['code']);
-		$page['opid'] = topage($op['operatorid']);
+        $page['opid'] = to_page($op['operatorid']);
     }
 }
 
-if (!$opId && !is_capable(CAN_ADMINISTRATE, $operator)) {
+if (!$op_id && !is_capable(CAN_ADMINISTRATE, $operator)) {
     $page['errors'][] = getlocal("page_agent.error.forbidden_create");
 }
 
-$canmodify = ($opId == $operator['operatorid'] && is_capable(CAN_MODIFYPROFILE, $operator))
+$can_modify = ($op_id == $operator['operatorid'] && is_capable(CAN_MODIFYPROFILE, $operator))
     || is_capable(CAN_ADMINISTRATE, $operator);
 
 $page['stored'] = isset($_GET['stored']);
-$page['canmodify'] = $canmodify ? "1" : "";
+$page['canmodify'] = $can_modify ? "1" : "";
 $page['canchangelogin'] = is_capable(CAN_ADMINISTRATE, $operator);
 $page['needChangePassword'] = check_password_hash($operator['vclogin'], '', $operator['vcpassword']);
 $page['title'] = getlocal("page_agent.title");
-$page['menuid'] = ($opId == $operator['operatorid']) ? "profile" : "operators";
+$page['menuid'] = ($op_id == $operator['operatorid']) ? "profile" : "operators";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
-$page['tabs'] = setup_operator_settings_tabs($opId, 0);
+$page['tabs'] = setup_operator_settings_tabs($op_id, 0);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('agent', $page);
-
-?>

src/mibew/operator/operators.php

@@ -25,7 +25,7 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 
 $operator = check_login();
 force_password($operator);
-csrfchecktoken();
+csrf_check_token();
 
 $page = array(
     'errors' => array(),
@@ -33,8 +33,8 @@ $page = array(
 
 if (isset($_GET['act'])) {
 
-	$operatorid = isset($_GET['id']) ? $_GET['id'] : "";
+    $operator_id = isset($_GET['id']) ? $_GET['id'] : "";
-	if (!preg_match("/^\d+$/", $operatorid)) {
+    if (!preg_match("/^\d+$/", $operator_id)) {
         $page['errors'][] = getlocal("no_such_operator");
     }
 
@@ -43,12 +43,12 @@ if (isset($_GET['act'])) {
             $page['errors'][] = getlocal("page_agents.error.forbidden_remove");
         }
 
-		if ($operatorid == $operator['operatorid']) {
+        if ($operator_id == $operator['operatorid']) {
             $page['errors'][] = getlocal("page_agents.error.cannot_remove_self");
         }
 
         if (count($page['errors']) == 0) {
-			$op = operator_by_id($operatorid);
+            $op = operator_by_id($operator_id);
             if (!$op) {
                 $page['errors'][] = getlocal("no_such_operator");
             } elseif ($op['vclogin'] == 'admin') {
@@ -57,7 +57,7 @@ if (isset($_GET['act'])) {
         }
 
         if (count($page['errors']) == 0) {
-			delete_operator($operatorid);
+            delete_operator($operator_id);
             header("Location: " . MIBEW_WEB_ROOT . "/operator/operators.php");
             exit;
         }
@@ -65,15 +65,17 @@ if (isset($_GET['act'])) {
     if ($_GET['act'] == 'disable' || $_GET['act'] == 'enable') {
         $act_disable = ($_GET['act'] == 'disable');
         if (!is_capable(CAN_ADMINISTRATE, $operator)) {
-			$page['errors'][] = $act_disable?getlocal('page_agents.disable.not.allowed'):getlocal('page_agents.enable.not.allowed');
+            $page['errors'][] = $act_disable
+                ? getlocal('page_agents.disable.not.allowed')
+                : getlocal('page_agents.enable.not.allowed');
         }
 
-		if ($operatorid == $operator['operatorid'] && $act_disable) {
+        if ($operator_id == $operator['operatorid'] && $act_disable) {
             $page['errors'][] = getlocal('page_agents.cannot.disable.self');
         }
 
         if (count($page['errors']) == 0) {
-			$op = operator_by_id($operatorid);
+            $op = operator_by_id($operator_id);
             if (!$op) {
                 $page['errors'][] = getlocal("no_such_operator");
             } elseif ($op['vclogin'] == 'admin' && $act_disable) {
@@ -85,7 +87,7 @@ if (isset($_GET['act'])) {
             $db = Database::getInstance();
             $db->query(
                 "update {chatoperator} set idisabled = ? where operatorid = ?",
-				array(($act_disable ? '1' : '0'), $operatorid)
+                array(($act_disable ? '1' : '0'), $operator_id)
             );
 
             header("Location: " . MIBEW_WEB_ROOT . "/operator/operators.php");
@@ -94,8 +96,8 @@ if (isset($_GET['act'])) {
     }
 }
 
-$sort['by'] = verifyparam("sortby", "/^(login|commonname|localename|lastseen)$/", "login");
+$sort['by'] = verify_param("sortby", "/^(login|commonname|localename|lastseen)$/", "login");
-$sort['desc'] = (verifyparam("sortdirection", "/^(desc|asc)$/", "desc") == "desc");
+$sort['desc'] = (verify_param("sortdirection", "/^(desc|asc)$/", "desc") == "desc");
 $page['formsortby'] = $sort['by'];
 $page['formsortdirection'] = $sort['desc'] ? 'desc' : 'asc';
 $list_options['sort'] = $sort;
@@ -108,7 +110,7 @@ $page['availableOrders'] = array(
     array('id' => 'login', 'name' => getlocal('page_agents.login')),
     array('id' => 'localename', 'name' => getlocal('page_agents.agent_name')),
     array('id' => 'commonname', 'name' => getlocal('page_agents.commonname')),
-	array('id' => 'lastseen', 'name' => getlocal('page_agents.status'))
+    array('id' => 'lastseen', 'name' => getlocal('page_agents.status')),
 );
 $page['availableDirections'] = array(
     array('id' => 'desc', 'name' => getlocal('page_agents.sortdirection.desc')),
@@ -120,12 +122,7 @@ $page['menuid'] = "operators";
 
 setlocale(LC_TIME, getstring("time.locale"));
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('agents', $page);
-
-?>

src/mibew/operator/opgroups.php

@@ -24,64 +24,62 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/operator_settings.php');
 
 $operator = check_login();
-csrfchecktoken();
+csrf_check_token();
 
 $operator_in_isolation = in_isolation($operator);
 
-$opId = verifyparam("op", "/^\d{1,9}$/");
+$op_id = verify_param("op", "/^\d{1,9}$/");
-$page = array('opid' => $opId);
+$page = array('opid' => $op_id);
-$page['groups'] = $operator_in_isolation?get_all_groups_for_operator($operator):get_all_groups();
+$page['groups'] = $operator_in_isolation
+    ? get_all_groups_for_operator($operator)
+    : get_all_groups();
 $page['errors'] = array();
 
-$canmodify = is_capable(CAN_ADMINISTRATE, $operator);
+$can_modify = is_capable(CAN_ADMINISTRATE, $operator);
 
-$op = operator_by_id($opId);
+$op = operator_by_id($op_id);
 
 if (!$op) {
     $page['errors'][] = getlocal("no_such_operator");
-
 } elseif (isset($_POST['op'])) {
 
-	if (!$canmodify) {
+    if (!$can_modify) {
         $page['errors'][] = getlocal('page_agent.cannot_modify');
     }
 
     if (count($page['errors']) == 0) {
         $new_groups = array();
         foreach ($page['groups'] as $group) {
-			if (verifyparam("group" . $group['groupid'], "/^on$/", "") == "on") {
+            if (verify_param("group" . $group['groupid'], "/^on$/", "") == "on") {
                 $new_groups[] = $group['groupid'];
             }
         }
 
         update_operator_groups($op['operatorid'], $new_groups);
-		header("Location: " . MIBEW_WEB_ROOT . "/operator/opgroups.php?op=" . intval($opId) . "&stored");
+        header("Location: " . MIBEW_WEB_ROOT . "/operator/opgroups.php?op=" . intval($op_id) . "&stored");
         exit;
     }
 }
 
 $page['formgroup'] = array();
-$page['currentop'] = $op ? topage(get_operator_name($op)) . " (" . $op['vclogin'] . ")" : getlocal("not_found");
+$page['currentop'] = $op
-$page['canmodify'] = $canmodify ? "1" : "";
+    ? to_page(get_operator_name($op)) . " (" . $op['vclogin'] . ")"
+    : getlocal("not_found");
+$page['canmodify'] = $can_modify ? "1" : "";
 
 if ($op) {
-	foreach (get_operator_groupids($opId) as $rel) {
+    foreach (get_operator_group_ids($op_id) as $rel) {
         $page['formgroup'][] = $rel['groupid'];
     }
 }
 
 $page['stored'] = isset($_GET['stored']);
 $page['title'] = getlocal("operator.groups.title");
-$page['menuid'] = ($page['operatorid'] == $opId) ? "profile" : "operators";
+$page['menuid'] = ($page['operatorid'] == $op_id) ? "profile" : "operators";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
-$page['tabs'] = setup_operator_settings_tabs($opId, 2);
+$page['tabs'] = setup_operator_settings_tabs($op_id, 2);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('operator_groups', $page);
-
-?>

src/mibew/operator/page_themes.php

@@ -25,12 +25,12 @@ require_once(MIBEW_FS_ROOT.'/libs/settings.php');
 
 $operator = check_login();
 
-$stylelist = PageStyle::availableStyles();
+$style_list = PageStyle::availableStyles();
 
-$preview = verifyparam("preview", "/^\w+$/", "default");
+$preview = verify_param("preview", "/^\w+$/", "default");
-if (!in_array($preview, $stylelist)) {
+if (!in_array($preview, $style_list)) {
-	$style_names = array_keys($stylelist);
+    $style_names = array_keys($style_list);
-	$preview = $stylelist[$style_names[0]];
+    $preview = $style_list[$style_names[0]];
 }
 
 $preview_style = new PageStyle($preview);
@@ -40,26 +40,21 @@ $screenshots = array();
 foreach ($style_config['screenshots'] as $name => $desc) {
     $screenshots[] = array(
         'name' => $name,
-		'file' => MIBEW_WEB_ROOT . '/' . $preview_style->filesPath()
+        'file' => (MIBEW_WEB_ROOT . '/' . $preview_style->filesPath()
-			. '/screenshots/' . $name . '.png',
+            . '/screenshots/' . $name . '.png'),
-		'description' => $desc
+        'description' => $desc,
     );
 }
 
 $page['formpreview'] = $preview;
-$page['availablePreviews'] = $stylelist;
+$page['availablePreviews'] = $style_list;
 $page['screenshotsList'] = $screenshots;
 $page['title'] = getlocal("page.preview.title");
 $page['menuid'] = "settings";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
 $page['tabs'] = setup_settings_tabs(3);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('page_themes', $page);
-
-?>

src/mibew/operator/performance.php

@@ -25,7 +25,7 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/settings.php');
 
 $operator = check_login();
-csrfchecktoken();
+csrf_check_token();
 
 $page = array(
     'agentId' => '',
@@ -33,10 +33,17 @@ $page = array(
 );
 
 $options = array(
-	'online_timeout', 'updatefrequency_operator', 'updatefrequency_chat',
+    'online_timeout',
+    'updatefrequency_operator',
+    'updatefrequency_chat',
     'max_connections_from_one_host',
-	'updatefrequency_tracking', 'visitors_limit', 'invitation_lifetime',
+    'updatefrequency_tracking',
-	'tracking_lifetime', 'thread_lifetime', 'statistics_aggregation_interval');
+    'visitors_limit',
+    'invitation_lifetime',
+    'tracking_lifetime',
+    'thread_lifetime',
+    'statistics_aggregation_interval',
+);
 
 $params = array();
 foreach ($options as $opt) {
@@ -44,58 +51,57 @@ foreach ($options as $opt) {
 }
 
 if (isset($_POST['onlinetimeout'])) {
-	$params['online_timeout'] = getparam('onlinetimeout');
+    $params['online_timeout'] = get_param('onlinetimeout');
     if (!is_numeric($params['online_timeout'])) {
         $page['errors'][] = wrong_field("settings.onlinetimeout");
     }
 
-	$params['updatefrequency_operator'] = getparam('frequencyoperator');
+    $params['updatefrequency_operator'] = get_param('frequencyoperator');
     if (!is_numeric($params['updatefrequency_operator'])) {
         $page['errors'][] = wrong_field("settings.frequencyoperator");
     }
 
-	$params['updatefrequency_chat'] = getparam('frequencychat');
+    $params['updatefrequency_chat'] = get_param('frequencychat');
     if (!is_numeric($params['updatefrequency_chat'])) {
         $page['errors'][] = wrong_field("settings.frequencychat");
     }
 
-	$params['max_connections_from_one_host'] = getparam('onehostconnections');
+    $params['max_connections_from_one_host'] = get_param('onehostconnections');
     if (!is_numeric($params['max_connections_from_one_host'])) {
         $page['errors'][] = getlocal("settings.wrong.onehostconnections");
     }
 
-	$params['thread_lifetime'] = getparam('threadlifetime');
+    $params['thread_lifetime'] = get_param('threadlifetime');
     if (!is_numeric($params['thread_lifetime'])) {
         $page['errors'][] = getlocal("settings.wrong.threadlifetime");
     }
 
-	$params['statistics_aggregation_interval'] = getparam('statistics_aggregation_interval');
+    $params['statistics_aggregation_interval'] = get_param('statistics_aggregation_interval');
     if (!is_numeric($params['statistics_aggregation_interval'])) {
         $page['errors'][] = wrong_field("settings.statistics_aggregation_interval");
     }
 
     if (Settings::get('enabletracking')) {
 
-	    $params['updatefrequency_tracking'] = getparam('frequencytracking');
+        $params['updatefrequency_tracking'] = get_param('frequencytracking');
         if (!is_numeric($params['updatefrequency_tracking'])) {
             $page['errors'][] = wrong_field("settings.frequencytracking");
         }
 
-	    $params['visitors_limit'] = getparam('visitorslimit');
+        $params['visitors_limit'] = get_param('visitorslimit');
         if (!is_numeric($params['visitors_limit'])) {
             $page['errors'][] = wrong_field("settings.visitorslimit");
         }
 
-	    $params['invitation_lifetime'] = getparam('invitationlifetime');
+        $params['invitation_lifetime'] = get_param('invitationlifetime');
         if (!is_numeric($params['invitation_lifetime'])) {
             $page['errors'][] = wrong_field("settings.invitationlifetime");
         }
 
-	    $params['tracking_lifetime'] = getparam('trackinglifetime');
+        $params['tracking_lifetime'] = get_param('trackinglifetime');
         if (!is_numeric($params['tracking_lifetime'])) {
             $page['errors'][] = wrong_field("settings.trackinglifetime");
         }
-
     }
 
     if (count($page['errors']) == 0) {
@@ -121,7 +127,6 @@ if (Settings::get('enabletracking')) {
     $page['formvisitorslimit'] = $params['visitors_limit'];
     $page['forminvitationlifetime'] = $params['invitation_lifetime'];
     $page['formtrackinglifetime'] = $params['tracking_lifetime'];
-
 }
 
 $page['enabletracking'] = Settings::get('enabletracking');
@@ -130,14 +135,9 @@ $page['stored'] = isset($_GET['stored']);
 $page['title'] = getlocal("settings.title");
 $page['menuid'] = "settings";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
 $page['tabs'] = setup_settings_tabs(2);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('performance', $page);
-
-?>

src/mibew/operator/permissions.php

@@ -24,20 +24,19 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/operator_settings.php');
 
 $operator = check_login();
-csrfchecktoken();
+csrf_check_token();
 
-$opId = verifyparam("op", "/^\d{1,9}$/");
+$op_id = verify_param("op", "/^\d{1,9}$/");
 $page = array(
-	'opid' => $opId,
+    'opid' => $op_id,
     'canmodify' => is_capable(CAN_ADMINISTRATE, $operator) ? "1" : "",
     'errors' => array(),
 );
 
-$op = operator_by_id($opId);
+$op = operator_by_id($op_id);
 
 if (!$op) {
     $page['errors'][] = getlocal("no_such_operator");
-
 } elseif (isset($_POST['op'])) {
 
     if (!is_capable(CAN_ADMINISTRATE, $operator)) {
@@ -47,7 +46,7 @@ if (!$op) {
     $new_permissions = isset($op['iperm']) ? $op['iperm'] : 0;
 
     foreach (permission_ids() as $perm => $id) {
-		if (verifyparam("permissions$id", "/^on$/", "") == "on") {
+        if (verify_param("permissions$id", "/^on$/", "") == "on") {
             $new_permissions |= (1 << $perm);
         } else {
             $new_permissions &= ~(1 << $perm);
@@ -57,18 +56,17 @@ if (!$op) {
     if (count($page['errors']) == 0) {
         update_operator_permissions($op['operatorid'], $new_permissions);
 
-		if ($opId && $_SESSION[SESSION_PREFIX."operator"] && $operator['operatorid'] == $opId) {
+        if ($op_id && $_SESSION[SESSION_PREFIX . "operator"] && $operator['operatorid'] == $op_id) {
             $_SESSION[SESSION_PREFIX . "operator"]['iperm'] = $new_permissions;
         }
-		header("Location: " . MIBEW_WEB_ROOT . "/operator/permissions.php?op=" . intval($opId) . "&stored");
+        header("Location: " . MIBEW_WEB_ROOT . "/operator/permissions.php?op=" . intval($op_id) . "&stored");
         exit;
     }
-
 }
 
 $page['permissionsList'] = get_permission_list();
 $page['formpermissions'] = array("");
-$page['currentop'] = $op ? topage(get_operator_name($op)) . " (" . $op['vclogin'] . ")" : getlocal("not_found");
+$page['currentop'] = $op ? to_page(get_operator_name($op)) . " (" . $op['vclogin'] . ")" : getlocal("not_found");
 
 if ($op) {
     foreach (permission_ids() as $perm => $id) {
@@ -80,16 +78,11 @@ if ($op) {
 
 $page['stored'] = isset($_GET['stored']);
 $page['title'] = getlocal("permissions.title");
-$page['menuid'] = ($operator['operatorid'] == $opId) ? "profile" : "operators";
+$page['menuid'] = ($operator['operatorid'] == $op_id) ? "profile" : "operators";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
-$page['tabs'] = setup_operator_settings_tabs($opId, 3);
+$page['tabs'] = setup_operator_settings_tabs($op_id, 3);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('permissions', $page);
-
-?>

src/mibew/operator/redirect.php

@@ -25,13 +25,14 @@ require_once(dirname(dirname(__FILE__)).'/libs/init.php');
 require_once(MIBEW_FS_ROOT . '/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/chat.php');
 require_once(MIBEW_FS_ROOT . '/libs/groups.php');
+require_once(MIBEW_FS_ROOT . '/libs/track.php');
 
 $operator = check_login();
 
-$threadid = verifyparam("thread", "/^\d{1,8}$/");
+$thread_id = verify_param("thread", "/^\d{1,8}$/");
-$token = verifyparam("token", "/^\d{1,8}$/");
+$token = verify_param("token", "/^\d{1,8}$/");
 
-$thread = Thread::load($threadid, $token);
+$thread = Thread::load($thread_id, $token);
 if (!$thread) {
     die("wrong thread");
 }
@@ -44,15 +45,18 @@ $page = array(
 $chat_style = new ChatStyle(ChatStyle::currentStyle());
 
 if (isset($_GET['nextGroup'])) {
-	$nextid = verifyparam("nextGroup", "/^\d{1,8}$/");
+    $next_id = verify_param("nextGroup", "/^\d{1,8}$/");
-	$nextGroup = group_by_id($nextid);
+    $next_group = group_by_id($next_id);
 
-	if ($nextGroup) {
+    if ($next_group) {
-		$page['message'] = getlocal2("chat.redirected.group.content", array(topage(get_group_name($nextGroup))));
+        $page['message'] = getlocal2(
+            "chat.redirected.group.content",
+            array(to_page(get_group_name($next_group)))
+        );
         if ($thread->state == Thread::STATE_CHATTING) {
             $thread->state = Thread::STATE_WAITING;
             $thread->nextAgent = 0;
-			$thread->groupId = $nextid;
+            $thread->groupId = $next_id;
             $thread->agentId = 0;
             $thread->agentName = '';
             $thread->save();
@@ -71,26 +75,29 @@ if (isset($_GET['nextGroup'])) {
     } else {
         $page['errors'][] = "Unknown group";
     }
-
 } else {
-	$nextid = verifyparam("nextAgent", "/^\d{1,8}$/");
+    $next_id = verify_param("nextAgent", "/^\d{1,8}$/");
-	$nextOperator = operator_by_id($nextid);
+    $next_operator = operator_by_id($next_id);
 
-	if ($nextOperator) {
+    if ($next_operator) {
-		$page['message'] = getlocal2("chat.redirected.content", array(topage(get_operator_name($nextOperator))));
+        $page['message'] = getlocal2(
+            "chat.redirected.content",
+            array(to_page(get_operator_name($next_operator)))
+        );
         if ($thread->state == Thread::STATE_CHATTING) {
             $thread->state = Thread::STATE_WAITING;
-			$thread->nextAgent = $nextid;
+            $thread->nextAgent = $next_id;
             $thread->agentId = 0;
             if ($thread->groupId != 0) {
                 $db = Database::getInstance();
                 list($groups_count) = $db->query(
-					"select count(*) AS count from {chatgroupoperator} " .
+                    ("SELECT count(*) AS count "
-					"where operatorid = ? and groupid = ?",
+                        . "FROM {chatgroupoperator} "
-					array($nextid, $thread->groupId),
+                        . "WHERE operatorid = ? AND groupid = ?"),
+                    array($next_id, $thread->groupId),
                     array(
                         'return_rows' => Database::RETURN_ONE_ROW,
-						'fetch_type' => Database::FETCH_NUM
+                        'fetch_type' => Database::FETCH_NUM,
                     )
                 );
                 if ($groups_count === 0) {
@@ -114,15 +121,10 @@ if (isset($_GET['nextGroup'])) {
     }
 }
 
-$page = array_merge_recursive(
+$page = array_merge_recursive($page, setup_logo());
-	$page,
-	setup_logo()
-);
 
 if (count($page['errors']) > 0) {
     $chat_style->render('error', $page);
 } else {
     $chat_style->render('redirected', $page);
 }
-
-?>

src/mibew/operator/resetpwd.php

@@ -36,10 +36,10 @@ $page = array(
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 
-$opId = verifyparam("id", "/^\d{1,9}$/");
+$op_id = verify_param("id", "/^\d{1,9}$/");
-$token = verifyparam("token", "/^[\dabcdef]+$/");
+$token = verify_param("token", "/^[\dabcdef]+$/");
 
-$operator = operator_by_id($opId);
+$operator = operator_by_id($op_id);
 
 if (!$operator) {
     $page['errors'][] = "No such operator";
@@ -50,23 +50,29 @@ if (!$operator) {
 }
 
 if (count($page['errors']) == 0 && isset($_POST['password'])) {
-	$password = getparam('password');
+    $password = get_param('password');
-	$passwordConfirm = getparam('passwordConfirm');
+    $password_confirm = get_param('passwordConfirm');
 
-	if (!$password)
+    if (!$password) {
         $page['errors'][] = no_field("form.field.password");
+    }
 
-	if ($password != $passwordConfirm)
+    if ($password != $password_confirm) {
         $page['errors'][] = getlocal("my_settings.error.password_match");
+    }
 
     if (count($page['errors']) == 0) {
         $page['isdone'] = true;
 
         $db = Database::getInstance();
         $db->query(
-			"update {chatoperator} set vcpassword = ?, vcrestoretoken = '' " .
+            ("UPDATE {chatoperator} "
-			"where operatorid = ?",
+                . "SET vcpassword = ?, vcrestoretoken = '' "
-			array(calculate_password_hash($operator['vclogin'], $password), $opId)
+                . "WHERE operatorid = ?"),
+            array(
+                calculate_password_hash($operator['vclogin'], $password),
+                $op_id,
+            )
         );
 
         $page['loginname'] = $operator['vclogin'];
@@ -75,10 +81,8 @@ if (count($page['errors']) == 0 && isset($_POST['password'])) {
     }
 }
 
-$page['id'] = $opId;
+$page['id'] = $op_id;
 $page['token'] = $token;
 $page['isdone'] = false;
 
 $page_style->render('resetpwd', $page);
-
-?>

src/mibew/operator/restore.php

@@ -34,39 +34,53 @@ $page = array(
     'errors' => array(),
 );
 
-$loginoremail = "";
+$login_or_email = "";
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 
 if (isset($_POST['loginoremail'])) {
-	$loginoremail = getparam("loginoremail");
+    $login_or_email = get_param("loginoremail");
 
-	$torestore = is_valid_email($loginoremail) ? operator_by_email($loginoremail) : operator_by_login($loginoremail);
+    $to_restore = is_valid_email($login_or_email)
-	if (!$torestore) {
+        ? operator_by_email($login_or_email)
+        : operator_by_login($login_or_email);
+    if (!$to_restore) {
         $page['errors'][] = getlocal("no_such_operator");
     }
 
-	$email = $torestore['vcemail'];
+    $email = $to_restore['vcemail'];
     if (count($page['errors']) == 0 && !is_valid_email($email)) {
         $page['errors'][] = "Operator hasn't set his e-mail";
     }
 
     if (count($page['errors']) == 0) {
-		$token = sha1($torestore['vclogin'] . (function_exists('openssl_random_pseudo_bytes') ? openssl_random_pseudo_bytes(32) : (time() + microtime()) . mt_rand(0, 99999999)));
+        $token = sha1($to_restore['vclogin'] . (function_exists('openssl_random_pseudo_bytes')
+            ? openssl_random_pseudo_bytes(32)
+            : (time() + microtime()) . mt_rand(0, 99999999)));
 
         $db = Database::getInstance();
         $db->query(
-			"update {chatoperator} set dtmrestore = :now, " .
+            ("UPDATE {chatoperator} "
-			"vcrestoretoken = :token where operatorid = :operatorid",
+                . "SET dtmrestore = :now, vcrestoretoken = :token "
+                . "WHERE operatorid = :operatorid"),
             array(
                 ':now' => time(),
                 ':token' => $token,
-				':operatorid' => $torestore['operatorid']
+                ':operatorid' => $to_restore['operatorid'],
             )
         );
 
-		$href = get_app_location(true, false) . "/operator/resetpwd.php?id=" . $torestore['operatorid'] . "&token=$token";
+        $href = get_app_location(true, false) . "/operator/resetpwd.php?id="
-		mibew_mail($email, $email, getstring("restore.mailsubj"), getstring2("restore.mailtext", array(get_operator_name($torestore), $href)));
+            . $to_restore['operatorid'] . "&token=$token";
+        mibew_mail(
+            $email,
+            $email,
+            getstring("restore.mailsubj"),
+            getstring2(
+                "restore.mailtext",
+                array(get_operator_name($to_restore), $href)
+            )
+        );
 
         $page['isdone'] = true;
         $page_style->render('restore', $page);
@@ -74,11 +88,9 @@ if (isset($_POST['loginoremail'])) {
     }
 }
 
-$page['formloginoremail'] = topage($loginoremail);
+$page['formloginoremail'] = to_page($login_or_email);
 
 $page['localeLinks'] = get_locale_links(MIBEW_WEB_ROOT . "/operator/restore.php");
 $page['isdone'] = false;
 
 $page_style->render('restore', $page);
-
-?>

src/mibew/operator/settings.php

@@ -29,7 +29,7 @@ require_once(MIBEW_FS_ROOT.'/libs/cron.php');
 
 $operator = check_login();
 force_password($operator);
-csrfchecktoken();
+csrf_check_token();
 
 $page = array(
     'agentId' => '',
@@ -47,7 +47,7 @@ $options = array(
     'geolink',
     'geolinkparams',
     'sendmessagekey',
-	'cron_key'
+    'cron_key',
 );
 
 $params = array();
@@ -70,29 +70,33 @@ if (Settings::get('enabletracking')) {
 }
 
 if (isset($_POST['email']) && isset($_POST['title']) && isset($_POST['logo'])) {
-	$params['email'] = getparam('email');
+    $params['email'] = get_param('email');
-	$params['title'] = getparam('title');
+    $params['title'] = get_param('title');
-	$params['logo'] = getparam('logo');
+    $params['logo'] = get_param('logo');
-	$params['hosturl'] = getparam('hosturl');
+    $params['hosturl'] = get_param('hosturl');
-	$params['usernamepattern'] = getparam('usernamepattern');
+    $params['usernamepattern'] = get_param('usernamepattern');
-	$params['chattitle'] = getparam('chattitle');
+    $params['chattitle'] = get_param('chattitle');
-	$params['geolink'] = getparam('geolink');
+    $params['geolink'] = get_param('geolink');
-	$params['geolinkparams'] = getparam('geolinkparams');
+    $params['geolinkparams'] = get_param('geolinkparams');
-	$params['sendmessagekey'] = verifyparam('sendmessagekey', "/^c?enter$/");
+    $params['sendmessagekey'] = verify_param('sendmessagekey', "/^c?enter$/");
-	$params['cron_key'] = getparam('cronkey');
+    $params['cron_key'] = get_param('cronkey');
 
-	$styles_params['chat_style'] = verifyparam("chat_style", "/^\w+$/", $styles_params['chat_style']);
+    $styles_params['chat_style'] = verify_param("chat_style", "/^\w+$/", $styles_params['chat_style']);
     if (!in_array($styles_params['chat_style'], $chat_style_list)) {
         $styles_params['chat_style'] = $chat_style_list[0];
     }
 
-	$styles_params['page_style'] = verifyparam("page_style", "/^\w+$/", $styles_params['page_style']);
+    $styles_params['page_style'] = verify_param("page_style", "/^\w+$/", $styles_params['page_style']);
     if (!in_array($styles_params['page_style'], $page_style_list)) {
         $styles_params['page_style'] = $page_style_list[0];
     }
 
     if (Settings::get('enabletracking')) {
-		$styles_params['invitation_style'] = verifyparam("invitation_style", "/^\w+$/", $styles_params['invitation_style']);
+        $styles_params['invitation_style'] = verify_param(
+            "invitation_style",
+            "/^\w+$/",
+            $styles_params['invitation_style']
+        );
         if (!in_array($styles_params['invitation_style'], $invitation_style_list)) {
             $styles_params['invitation_style'] = $invitation_style_list[0];
         }
@@ -103,9 +107,15 @@ if (isset($_POST['email']) && isset($_POST['title']) && isset($_POST['logo'])) {
     }
 
     if ($params['geolinkparams']) {
-		foreach (preg_split("/,/", $params['geolinkparams']) as $oneparam) {
+        foreach (preg_split("/,/", $params['geolinkparams']) as $one_param) {
-			if (!preg_match("/^\s*(toolbar|scrollbars|location|status|menubar|width|height|resizable)=\d{1,4}$/", $oneparam)) {
+            $wrong_param = !preg_match(
-				$page['errors'][] = "Wrong link parameter: \"$oneparam\", should be one of 'toolbar, scrollbars, location, status, menubar, width, height or resizable'";
+                "/^\s*(toolbar|scrollbars|location|status|menubar|width|height|resizable)=\d{1,4}$/",
+                $one_param
+            );
+            if ($wrong_param) {
+                $page['errors'][] = "Wrong link parameter: \"$one_param\", "
+                    . "should be one of 'toolbar, scrollbars, location, "
+                    . "status, menubar, width, height or resizable'";
             }
         }
     }
@@ -134,17 +144,17 @@ if (isset($_POST['email']) && isset($_POST['title']) && isset($_POST['logo'])) {
     }
 }
 
-$page['formemail'] = topage($params['email']);
+$page['formemail'] = to_page($params['email']);
-$page['formtitle'] = topage($params['title']);
+$page['formtitle'] = to_page($params['title']);
-$page['formlogo'] = topage($params['logo']);
+$page['formlogo'] = to_page($params['logo']);
-$page['formhosturl'] = topage($params['hosturl']);
+$page['formhosturl'] = to_page($params['hosturl']);
-$page['formgeolink'] = topage($params['geolink']);
+$page['formgeolink'] = to_page($params['geolink']);
-$page['formgeolinkparams'] = topage($params['geolinkparams']);
+$page['formgeolinkparams'] = to_page($params['geolinkparams']);
-$page['formusernamepattern'] = topage($params['usernamepattern']);
+$page['formusernamepattern'] = to_page($params['usernamepattern']);
 $page['formpagestyle'] = $styles_params['page_style'];
 $page['availablePageStyles'] = $page_style_list;
 $page['formchatstyle'] = $styles_params['chat_style'];
-$page['formchattitle'] = topage($params['chattitle']);
+$page['formchattitle'] = to_page($params['chattitle']);
 $page['formsendmessagekey'] = $params['sendmessagekey'];
 $page['availableChatStyles'] = $chat_style_list;
 $page['stored'] = isset($_GET['stored']);
@@ -161,14 +171,9 @@ if (Settings::get('enabletracking')) {
     $page['availableInvitationStyles'] = $invitation_style_list;
 }
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
 $page['tabs'] = setup_settings_tabs(0);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('settings', $page);
-
-?>

src/mibew/operator/statistics.php

@@ -26,6 +26,7 @@ require_once(MIBEW_FS_ROOT.'/libs/chat.php');
 require_once(MIBEW_FS_ROOT . '/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/statistics.php');
 require_once(MIBEW_FS_ROOT . '/libs/cron.php');
+require_once(MIBEW_FS_ROOT . '/libs/track.php');
 
 $operator = check_login();
 force_password($operator);
@@ -33,15 +34,15 @@ force_password($operator);
 setlocale(LC_TIME, getstring("time.locale"));
 
 $page = array();
-$page['operator'] = topage(get_operator_name($operator));
+$page['operator'] = to_page(get_operator_name($operator));
 $page['availableDays'] = range(1, 31);
 $page['availableMonth'] = get_month_selection(time() - 400 * 24 * 60 * 60, time() + 50 * 24 * 60 * 60);
 $page['showresults'] = false;
-$statisticstype = verifyparam("type", "/^(bydate|byagent|bypage)$/", "bydate");
+$statistics_type = verify_param("type", "/^(bydate|byagent|bypage)$/", "bydate");
-$page['type'] = $statisticstype;
+$page['type'] = $statistics_type;
-$page['showbydate'] = ($statisticstype == 'bydate');
+$page['showbydate'] = ($statistics_type == 'bydate');
-$page['showbyagent'] = ($statisticstype == 'byagent');
+$page['showbyagent'] = ($statistics_type == 'byagent');
-$page['showbypage'] = ($statisticstype == 'bypage');
+$page['showbypage'] = ($statistics_type == 'bypage');
 
 $page['cron_path'] = cron_get_uri(Settings::get('cron_key'));
 $page['last_cron_run'] = Settings::get('_last_cron_run');
@@ -51,13 +52,12 @@ $page['show_invitations_info'] = (bool)Settings::get('enabletracking');
 $page['errors'] = array();
 
 if (isset($_GET['startday'])) {
-	$startday = verifyparam("startday", "/^\d+$/");
+    $start_day = verify_param("startday", "/^\d+$/");
-	$startmonth = verifyparam("startmonth", "/^\d{2}.\d{2}$/");
+    $start_month = verify_param("startmonth", "/^\d{2}.\d{2}$/");
-	$endday = verifyparam("endday", "/^\d+$/");
+    $end_day = verify_param("endday", "/^\d+$/");
-	$endmonth = verifyparam("endmonth", "/^\d{2}.\d{2}$/");
+    $end_month = verify_param("endmonth", "/^\d{2}.\d{2}$/");
-	$start = get_form_date($startday, $startmonth);
+    $start = get_form_date($start_day, $start_month);
-	$end = get_form_date($endday, $endmonth) + 24 * 60 * 60;
+    $end = get_form_date($end_day, $end_month) + 24 * 60 * 60;
-
 } else {
     $curr = getdate(time());
     if ($curr['mday'] < 7) {
@@ -86,111 +86,106 @@ if ($start > $end) {
     $page['errors'][] = getlocal("statistics.wrong.dates");
 }
 
-$activetab = 0;
+$active_tab = 0;
 $db = Database::getInstance();
-if ($statisticstype == 'bydate') {
+if ($statistics_type == 'bydate') {
     $page['reportByDate'] = $db->query(
-		"SELECT DATE(FROM_UNIXTIME(date)) AS date, " .
+        ("SELECT DATE(FROM_UNIXTIME(date)) AS date, "
-			"threads, " .
+            . "threads, "
-			"missedthreads, " .
+            . "missedthreads, "
-			"sentinvitations, " .
+            . "sentinvitations, "
-			"acceptedinvitations, " .
+            . "acceptedinvitations, "
-			"rejectedinvitations, " .
+            . "rejectedinvitations, "
-			"ignoredinvitations, " .
+            . "ignoredinvitations, "
-			"operatormessages AS agents, " .
+            . "operatormessages AS agents, "
-			"usermessages AS users, " .
+            . "usermessages AS users, "
-			"averagewaitingtime AS avgwaitingtime, " .
+            . "averagewaitingtime AS avgwaitingtime, "
-			"averagechattime AS avgchattime " .
+            . "averagechattime AS avgchattime "
-		"FROM {chatthreadstatistics} s " .
+        . "FROM {chatthreadstatistics} s "
-		"WHERE s.date >= :start " .
+        . "WHERE s.date >= :start "
-			"AND s.date < :end " .
+            . "AND s.date < :end "
-		"GROUP BY DATE(FROM_UNIXTIME(date)) " .
+        . "GROUP BY DATE(FROM_UNIXTIME(date)) "
-		"ORDER BY s.date DESC",
+        . "ORDER BY s.date DESC"),
         array(
             ':start' => $start,
-			':end' => $end
+            ':end' => $end,
         ),
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
 
     $page['reportByDateTotal'] = $db->query(
-		"SELECT DATE(FROM_UNIXTIME(date)) AS date, " .
+        ("SELECT DATE(FROM_UNIXTIME(date)) AS date, "
-			"SUM(threads) AS threads, " .
+            . "SUM(threads) AS threads, "
-			"SUM(missedthreads) AS missedthreads, " .
+            . "SUM(missedthreads) AS missedthreads, "
-			"SUM(sentinvitations) AS sentinvitations, " .
+            . "SUM(sentinvitations) AS sentinvitations, "
-			"SUM(acceptedinvitations) AS acceptedinvitations, " .
+            . "SUM(acceptedinvitations) AS acceptedinvitations, "
-			"SUM(rejectedinvitations) AS rejectedinvitations, " .
+            . "SUM(rejectedinvitations) AS rejectedinvitations, "
-			"SUM(ignoredinvitations) AS ignoredinvitations, " .
+            . "SUM(ignoredinvitations) AS ignoredinvitations, "
-			"SUM(operatormessages) AS agents, " .
+            . "SUM(operatormessages) AS agents, "
-			"SUM(usermessages) AS users, " .
+            . "SUM(usermessages) AS users, "
-			"ROUND(SUM(averagewaitingtime * s.threads) / SUM(s.threads),1) AS avgwaitingtime, " .
+            . "ROUND(SUM(averagewaitingtime * s.threads) / SUM(s.threads),1) AS avgwaitingtime, "
-			"ROUND(SUM(averagechattime * s.threads) / SUM(s.threads),1) AS avgchattime " .
+            . "ROUND(SUM(averagechattime * s.threads) / SUM(s.threads),1) AS avgchattime "
-		"FROM {chatthreadstatistics} s " .
+        . "FROM {chatthreadstatistics} s "
-		"WHERE s.date >= :start " .
+        . "WHERE s.date >= :start "
-			"AND s.date < :end",
+            . "AND s.date < :end"),
         array(
             ':start' => $start,
-			':end' => $end
+            ':end' => $end,
         ),
         array('return_rows' => Database::RETURN_ONE_ROW)
     );
 
-	$activetab = 0;
+    $active_tab = 0;
-} elseif($statisticstype == 'byagent') {
+} elseif ($statistics_type == 'byagent') {
     $page['reportByAgent'] = $db->query(
-		"SELECT o.vclocalename AS name, " .
+        ("SELECT o.vclocalename AS name, "
-			"SUM(s.threads) AS threads, " .
+            . "SUM(s.threads) AS threads, "
-			"SUM(s.messages) AS msgs, " .
+            . "SUM(s.messages) AS msgs, "
-			"ROUND( " .
+            . "ROUND( "
-				"SUM(s.averagelength * s.messages) / SUM(s.messages), " .
+                    . "SUM(s.averagelength * s.messages) / SUM(s.messages), "
-				"1) AS avglen, " .
+                . "1) AS avglen, "
-			"SUM(sentinvitations) AS sentinvitations, " .
+            . "SUM(sentinvitations) AS sentinvitations, "
-			"SUM(acceptedinvitations) AS acceptedinvitations, " .
+            . "SUM(acceptedinvitations) AS acceptedinvitations, "
-			"SUM(rejectedinvitations) AS rejectedinvitations, " .
+            . "SUM(rejectedinvitations) AS rejectedinvitations, "
-			"SUM(ignoredinvitations) AS ignoredinvitations " .
+            . "SUM(ignoredinvitations) AS ignoredinvitations "
-		"FROM {chatoperatorstatistics} s, {chatoperator} o " .
+        . "FROM {chatoperatorstatistics} s, {chatoperator} o "
-		"WHERE s.operatorid = o.operatorid " .
+        . "WHERE s.operatorid = o.operatorid "
-			"AND s.date >= :start " .
+            . "AND s.date >= :start "
-			"AND s.date < :end " .
+            . "AND s.date < :end "
-		"GROUP BY s.operatorid",
+        . "GROUP BY s.operatorid"),
         array(
             ':start' => $start,
-			':end' => $end
+            ':end' => $end,
         ),
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
-	$activetab = 1;
+    $active_tab = 1;
-} elseif($statisticstype == 'bypage') {
+} elseif ($statistics_type == 'bypage') {
     $page['reportByPage'] = $db->query(
-		"SELECT SUM(visits) as visittimes, " .
+        ("SELECT SUM(visits) as visittimes, "
-			"address, " .
+            . "address, "
-			"SUM(chats) as chattimes, " .
+            . "SUM(chats) as chattimes, "
-			"SUM(sentinvitations) AS sentinvitations, " .
+            . "SUM(sentinvitations) AS sentinvitations, "
-			"SUM(acceptedinvitations) AS acceptedinvitations, " .
+            . "SUM(acceptedinvitations) AS acceptedinvitations, "
-			"SUM(rejectedinvitations) AS rejectedinvitations, " .
+            . "SUM(rejectedinvitations) AS rejectedinvitations, "
-			"SUM(ignoredinvitations) AS ignoredinvitations " .
+            . "SUM(ignoredinvitations) AS ignoredinvitations "
-		"FROM {visitedpagestatistics} " .
+        . "FROM {visitedpagestatistics} "
-		"WHERE date >= :start " .
+        . "WHERE date >= :start "
-			"AND date < :end " .
+            . "AND date < :end "
-		"GROUP BY address",
+        . "GROUP BY address"),
         array(':start' => $start, ':end' => $end),
         array('return_rows' => Database::RETURN_ALL_ROWS)
     );
-	$activetab = 2;
+    $active_tab = 2;
 }
 $page['showresults'] = count($page['errors']) == 0;
 
 $page['title'] = getlocal("statistics.title");
 $page['menuid'] = "statistics";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
-$page['tabs'] = setup_statistics_tabs($activetab);
+$page['tabs'] = setup_statistics_tabs($active_tab);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('statistics', $page);
-
-?>

src/mibew/operator/themes.php

@@ -26,15 +26,16 @@ require_once(MIBEW_FS_ROOT.'/libs/pagination.php');
 require_once(MIBEW_FS_ROOT . '/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/groups.php');
 require_once(MIBEW_FS_ROOT . '/libs/settings.php');
+require_once(MIBEW_FS_ROOT . '/libs/track.php');
 
 $operator = check_login();
 
-$stylelist = ChatStyle::availableStyles();
+$style_list = ChatStyle::availableStyles();
 
-$preview = verifyparam("preview", "/^\w+$/", "default");
+$preview = verify_param("preview", "/^\w+$/", "default");
-if (!in_array($preview, $stylelist)) {
+if (!in_array($preview, $style_list)) {
-	$style_names = array_keys($stylelist);
+    $style_names = array_keys($style_list);
-	$preview = $stylelist[$style_names[0]];
+    $preview = $style_list[$style_names[0]];
 }
 
 $chat_style = new ChatStyle($preview);
@@ -45,26 +46,21 @@ $screenshots = array();
 foreach ($style_config['screenshots'] as $name => $desc) {
     $screenshots[] = array(
         'name' => $name,
-		'file' => MIBEW_WEB_ROOT . '/' . $chat_style->filesPath()
+        'file' => (MIBEW_WEB_ROOT . '/' . $chat_style->filesPath()
-			. '/screenshots/' . $name . '.png',
+            . '/screenshots/' . $name . '.png'),
         'description' => $desc
     );
 }
 
 $page['formpreview'] = $preview;
-$page['availablePreviews'] = $stylelist;
+$page['availablePreviews'] = $style_list;
 $page['screenshotsList'] = $screenshots;
 $page['title'] = getlocal("page.preview.title");
 $page['menuid'] = "settings";
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator));
-	$page,
-	prepare_menu($operator)
-);
 
 $page['tabs'] = setup_settings_tabs(4);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('themes', $page);
-
-?>

src/mibew/operator/threadprocessor.php

@@ -25,6 +25,7 @@ require_once(MIBEW_FS_ROOT.'/libs/operator.php');
 require_once(MIBEW_FS_ROOT . '/libs/chat.php');
 require_once(MIBEW_FS_ROOT . '/libs/groups.php');
 require_once(MIBEW_FS_ROOT . '/libs/userinfo.php');
+require_once(MIBEW_FS_ROOT . '/libs/track.php');
 
 $operator = check_login();
 
@@ -34,8 +35,8 @@ setlocale(LC_TIME, getstring("time.locale"));
 
 if (isset($_GET['threadid'])) {
     // Load thread info
-	$threadid = verifyparam("threadid", "/^(\d{1,9})?$/", "");
+    $thread_id = verify_param("threadid", "/^(\d{1,9})?$/", "");
-	$thread = Thread::load($threadid);
+    $thread = Thread::load($thread_id);
     $group = group_by_id($thread->groupId);
 
     $thread_info = array(
@@ -45,19 +46,14 @@ if (isset($_GET['threadid'])) {
     $page['thread_info'] = $thread_info;
 
     // Build messages list
-	$lastid = -1;
+    $last_id = -1;
-	$messages = $thread_info['thread']->getMessages(false, $lastid);
+    $messages = $thread_info['thread']->getMessages(false, $last_id);
     $page['threadMessages'] = json_encode($messages);
 }
 
 $page['title'] = getlocal("thread.chat_log");
 
-$page = array_merge(
+$page = array_merge($page, prepare_menu($operator, false));
-	$page,
-	prepare_menu($operator, false)
-);
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('thread_log', $page);
-
-?>

src/mibew/operator/tracked.php

@@ -34,20 +34,18 @@ if (Settings::get('enabletracking') == "0") {
 }
 
 if (isset($_GET['thread'])) {
-    $threadid = verifyparam("thread", "/^\d{1,8}$/");
+    $thread_id = verify_param("thread", "/^\d{1,8}$/");
-}
+} else {
-else {
+    $visitor_id = verify_param("visitor", "/^\d{1,8}$/");
-    $visitorid = verifyparam("visitor", "/^\d{1,8}$/");
 }
 
-if (isset($threadid)) {
+if (isset($thread_id)) {
-    $visitor = track_get_visitor_by_threadid($threadid);
+    $visitor = track_get_visitor_by_thread_id($thread_id);
     if (!$visitor) {
         die("Wrong thread!");
     }
-}
+} else {
-else {
+    $visitor = track_get_visitor_by_id($visitor_id);
-    $visitor = track_get_visitor_by_id($visitorid);
     if (!$visitor) {
         die("Wrong visitor!");
     }
@@ -58,13 +56,13 @@ $page['entry'] = htmlspecialchars($visitor['entry']);
 $page['history'] = array();
 ksort($path);
 foreach ($path as $k => $v) {
-    $page['history'][] = array( 'date' => date_to_text($k),
+    $page['history'][] = array(
-				'link' => htmlspecialchars($v) );
+        'date' => date_to_text($k),
+        'link' => htmlspecialchars($v),
+    );
 }
 
 $page['title'] = getlocal("tracked.path");
 
 $page_style = new PageStyle(PageStyle::currentStyle());
 $page_style->render('tracked', $page);
-
-?>