public function getCurrentUrl() {

         $pageURL = 'http';

         if ($_SERVER["HTTPS"] == "on") {

             $pageURL .= "s";

         }

         $pageURL .= "://";

         if ($_SERVER["SERVER_PORT"] != "80") {

             $pageURL .= $_SERVER["SERVER_NAME"] . ":" . $_SERVER["SERVER_PORT"] . $_SERVER["REQUEST_URI"];

         } else {

             $pageURL .= $_SERVER["SERVER_NAME"] . $_SERVER["REQUEST_URI"];

         }

         return $pageURL;

     }

     /**

      * @param $key

      * @return mixed

      * $_GET[]

      */

     public function getP($key) {

         $url = $this->getCurrentUrl();

         //$url = urldecode($str);

         $urlArr = explode('?', $url);

         $queryParam = $urlArr[1];

         parse_str($queryParam);

         return $$key;

     }