关于序列化与反序列化解题
1、[安洵杯 2019]easy_serialize_php <?php$function $_GET[f];function filter($img){$filter_arr array(php,flag,php5,php4,fl1g);$filter /.implode(|,$filter_arr)./i;return preg_replace($filter,,$img); }if($_SESSION){unset($_SESSION); }$_SESSION["use…
2025-02-22