get_magic_quotes_gpc не работает

ошибка
Fatal error: Call to undefined function get_magic_quotes_gpc() in C:\AppServ\www\add\admin-class.php on line 47

 if($_SERVER['REQUEST_METHOD'] == 'POST') {
            $this->post = $_POST;
            if(get_magic_quotes_gpc ()) {
                //get rid of magic quotes and slashes if present
                array_walk_recursive($this->post, array($this, 'stripslash_gpc'));
            }
        }