exp1代码如下:
GIVE ME THE MONEY!!!
<?php
include "flag.php";
highlight_file(__FILE__);
if (isset($_GET['money'])) {
$money=$_GET['money'];
if(strlen($money)<=4&&$money>time()&&!is_array($money))
{
echo $flag;
}
else echo "Wrong Answer!";
}
else echo "Wrong Answer!";
?>