PHP_Code_Challenge-7-$$变量覆盖 目录 题目 分析 知识点 $$变量覆盖 解法 $_200 $_403 题目 <?php include "flag.php"; $_403 = "Access Denied"; $_200 = "Welcome Admin"; if ($_SERVER["REQUEST_METHOD"] != "POST") die("BugsBunnyCTF is here :p..."); if ( !isset($_POST["...