CTFshow刷题日记-WEB-PHP特性(上篇89-115)
Part1有关 intval() 函数的绕过技巧web89clude("flag.php");highlight_file(__FILE__);if(isset($_GET['num'])){ $num = $_GET['num']; if(preg_match("/[0-9]/", $num)){ die("no no no!"); } if(intval($num)){ echo
