function missing($var_name) { if (blank($var_name) || !received($var_name)) { return TRUE; } return FALSE; }
<?php /** * Created by PhpStorm. * User: administrator * Date: 2015/8/6 * Time: 16:11 */ require_once '../include.php'; if (isset($_SESSION['id'])) { $id = $_SESSION['id']; } elseif (isset($_COOKIE['id'])) { $id = $_COOKIE['id']; } echo received($id, 8);