Zaphpa_Router::invoke_options PHP Метод

    protected function invoke_options()
    {
        $req = new Zaphpa_Request();
        $res = new Zaphpa_Response($req);
        /* Call preprocessors on each middleware impl */
        foreach (self::$middleware as $m) {
            if ($m->shouldRun('preroute')) {
                $m->preroute($req, $res);
            }
        }
        $res->setFormat("httpd/unix-directory");
        header("Allow: " . implode(",", array_map('strtoupper', Zaphpa_Router::$methods)));
        $res->send(200);
        return true;
    }