WB 2.08.x

		// Check if the backend language is also the selected language. If not, send headers again.

		global $database;

		$get_user_language = @$database->query("SELECT language FROM ".TABLE_PREFIX.

			"users WHERE user_id = '" .(int) $this->get_user_id() ."'");

		$user_language = ($get_user_language) ? $get_user_language->fetchRow() : '';

		// prevent infinite loop if language file is not XX.php (e.g. DE_du.php)

		$user_language = substr($user_language[0],0,2);

		if((LANGUAGE != $user_language) && file_exists(WB_PATH .'/languages/' .$user_language .'.php')) {

			header('Location: '.$_SERVER['PHP_SELF'].'?lang='.$user_language);

			exit();

		}