include("db_conn.php"); include("db_func.php"); #session_start(); if (!isset($_SESSION["user_id"])) { $referer = explode("?",$_SERVER['HTTP_REFERER']); if (!(($_SERVER['HTTP_REFERER'] == "http://192.192.45.50/lib/gbReplyValidate.asp") || ($referer[0] == "https://lib.cnu.edu.tw/guestbook/list.php") || ($referer[0] == "https://lib.cnu.edu.tw/guestbook/validateReplyForm.php"))) { ?> die(); } if ($_SERVER['HTTP_REFERER'] == "http://192.192.45.50/lib/gbReplyValidate.asp") { session_register("gbValidated"); $_SESSION["gbValidated"] = true; } } ?>