Implement URI language detection

application/config/routes.php

@@ -41,6 +41,9 @@
 $route['default_controller'] = "auth";
 $route['404_override'] = '';
 
+$route['(\w{2})/(.*)'] = '$2';
+$route['(\w{2})'] = $route['default_controller'];
+
 
 /* End of file routes.php */
 /* Location: ./application/config/routes.php */

application/libraries/Lang_detect.php

@@ -128,9 +128,8 @@ class Lang_detect {
         for ($i = $this->CI->uri->total_segments(); $i > 0; $i--) {
             $segment = $this->CI->uri->segment($i);
             // the uri segment with the language code has the prefix 'l_'
-            if (!empty($segment) && (strpos($segment, 'l_') === 0)) {
-                // extract the language code
-                return substr($segment, 2);
+            if (strlen($segment) == 2 && array_key_exists($segment, $this->languages)) {
+                return $segment;
             }
         }
         return false;