static function register_extension($extension) { if (!in_array($extension, self::$extensions)) { if (file_exists(TRAX_LIB_ROOT . "/action_view/handlers/{$extension}.php")) { include_once TRAX_LIB_ROOT . "/action_view/handlers/{$extension}.php"; array_unshift(self::$extensions, $extension); Trax::$views_extension = $extension; } } }