From f1200c4999721a7026e5f06a47e9df6f10b402e9 Mon Sep 17 00:00:00 2001
From: "Fedor A. Fetisov" <faf@ossg.ru>
Date: Wed, 14 Apr 2021 13:40:50 +0300
Subject: [PATCH] Fix installer crash in absence of PDO and/or pdo_mysql
 extensions

---
 src/mibew/libs/classes/Mibew/Maintenance/Installer.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mibew/libs/classes/Mibew/Maintenance/Installer.php b/src/mibew/libs/classes/Mibew/Maintenance/Installer.php
index 0a981dfe..8bb8fed1 100644
--- a/src/mibew/libs/classes/Mibew/Maintenance/Installer.php
+++ b/src/mibew/libs/classes/Mibew/Maintenance/Installer.php
@@ -98,6 +98,9 @@ class Installer
      */
     public function isInstalled()
     {
+        if (!extension_loaded('PDO') || !extension_loaded('pdo_mysql')) {
+            return false;
+        }
         return ($this->getDatabaseVersion() !== false);
     }