public static function fullUrl()
    {
        $s        = empty($_SERVER["HTTPS"]) ? '' : ($_SERVER["HTTPS"] == "on") ? "s" : "";
        $protocol = StringUtils::strLeft(strtolower($_SERVER["SERVER_PROTOCOL"]), "/").$s;
        $port     = ($_SERVER["SERVER_PORT"] == "80" || $_SERVER["SERVER_PORT"] == "443") ? "" : (":".$_SERVER["SERVER_PORT"]);
        $uri      = (isset($_SERVER['REQUEST_URI'])?$_SERVER['REQUEST_URI']:"");
        return $protocol."://".$_SERVER['SERVER_NAME'].$port.$uri;
    }