Add an ability to use non-default database port

Fixes #40

src/mibew/configs/default_config.yml

@@ -5,6 +5,7 @@
 # MySQL Database parameters
 database:
     host: ""
+    port: 3306
     db: ""
     login: ""
     pass: ""

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

@@ -47,6 +47,12 @@ class Database
      */
     protected $dbHost = '';
 
+    /**
+     * Database port
+     * @var int
+     */
+    protected $dbPort = 0;
+
     /**
      * Database user's login
      * @var string
@@ -132,6 +138,7 @@ class Database
      * Create PDO object and store it in the Database object.
      *
      * @param string $host Database host.
+     * @param int $port Database port.
      * @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
@@ -139,7 +146,7 @@ class Database
      * @param string $db Database name.
      * @param string $prefix Database tables prefix
      */
-    public static function initialize($host, $user, $pass, $use_pconn, $db, $prefix)
+    public static function initialize($host, $port, $user, $pass, $use_pconn, $db, $prefix)
     {
         // Check PDO
         if (!extension_loaded('PDO')) {
@@ -160,6 +167,7 @@ class Database
 
         // Set database and connection properties
         $instance->dbHost = $host;
+        $instance->dbPort = $port;
         $instance->dbLogin = $user;
         $instance->dbPass = $pass;
         $instance->dbName = $db;
@@ -168,7 +176,7 @@ class Database
 
         // Create PDO object
         $instance->dbh = new \PDO(
-            "mysql:host={$instance->dbHost};dbname={$instance->dbName}",
+            "mysql:host={$instance->dbHost};port={$instance->dbPort};dbname={$instance->dbName}",
             $instance->dbLogin,
             $instance->dbPass,
             array(\PDO::ATTR_PERSISTENT => $instance->usePersistentConnection)

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

@@ -706,6 +706,7 @@ class Installer
             try {
                 Database::initialize(
                     $this->configs['database']['host'],
+                    $this->configs['database']['port'],
                     $this->configs['database']['login'],
                     $this->configs['database']['pass'],
                     $this->configs['database']['use_persistent_connection'],

src/mibew/libs/init.php

@@ -76,6 +76,7 @@ if (!installation_in_progress()) {
     // Initialize the database
     \Mibew\Database::initialize(
         $configs['database']['host'],
+        $configs['database']['port'],
         $configs['database']['login'],
         $configs['database']['pass'],
         $configs['database']['use_persistent_connection'],