Base::abort PHP Method

    function abort()
    {
        if (!headers_sent() && session_status() != PHP_SESSION_ACTIVE) {
            session_start();
        }
        session_commit();
        $out = '';
        while (ob_get_level()) {
            $out = ob_get_clean() . $out;
        }
        header('Content-Length: ' . strlen($out));
        header('Connection: close');
        echo $out;
        flush();
        if (function_exists('fastcgi_finish_request')) {
            fastcgi_finish_request();
        }
    }