public static function clean($request = null)
    {
        switch ($request) {
            case 'post':
                unset($_POST);
            break;

            case 'get':
                unset($_GET);
            break;

            case 'any':
                unset($_REQUEST);
            break;

            default:
                unset($_POST);
                unset($_REQUEST);
                unset($_GET);
        }
    }
public static function clean($request = null)
    {
        switch ($request) {
            case 'post':
                unset($_POST);
            break;

            case 'get':
                unset($_GET);
            break;

            case 'any':
                unset($_REQUEST);
            break;

            default:
                unset($_POST);
                unset($_REQUEST);
                unset($_GET);
        }
    }
public static function clean ( $ request = null ) { switch ( $ request ) { case 'post' : unset ( $ _POST ) ; break ; case 'get' : unset ( $ _GET ) ; break ; case 'any' : unset ( $ _REQUEST ) ; break ; default : unset ( $ _POST ) ; unset ( $ _REQUEST ) ; unset ( $ _GET ) ; } }
limpa toda requisicao passada
limpa toda requisicao passada