Require PHP's mbstring extension

Fixes Mibew#125

README.md

@@ -11,7 +11,7 @@ This repository contains the core of Mibew Messenger application.
 ## Server requirements
 
 1. A webserver or web hosting account running on any major Operating System
-2. PHP (5.3.3 and above) with PDO, pdo_mysql, cURL and gd extensions
+2. PHP (5.3.3 and above) with PDO, pdo_mysql, cURL, mbstring and gd extensions
 3. MySQL 5.0 and above
 
 ## Build from sources

src/mibew/README.txt

@@ -6,7 +6,7 @@ REQUIREMENTS
  * Apache web server 1.3.34 or above with the ability to use local .htaccess
    files (mod_rewrite module is optional, but recommended)
  * MySQL database 5.0 or above
- * PHP 5.3.3 or above with PDO, pdo_mysql, cURL and gd extensions
+ * PHP 5.3.3 or above with PDO, pdo_mysql, cURL, mbstring and gd extensions
 
 INSTALLATION
 

src/mibew/libs/classes/Mibew/Controller/AboutController.php

@@ -63,7 +63,7 @@ public function indexAction(Request $request)
      */
     protected function getExtensionsInfo()
     {
-        $required_extensions = array('PDO', 'pdo_mysql', 'gd', 'curl');
+        $required_extensions = array('PDO', 'pdo_mysql', 'gd', 'curl', 'mbstring');
         $info = array();
         foreach ($required_extensions as $ext) {
             if (!extension_loaded($ext)) {

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

@@ -529,7 +529,7 @@ protected function checkPhpVersion()
      */
     protected function checkPhpExtensions()
     {
-        $extensions = array('PDO', 'pdo_mysql', 'gd', 'curl');
+        $extensions = array('PDO', 'pdo_mysql', 'gd', 'curl', 'mbstring');
 
         foreach ($extensions as $ext) {
             if (!extension_loaded($ext)) {