3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function decrypt($a) { $tmp = strtolower(strrev($a)); $tmps = substr($tmp, 0.4) ^ hexdec('BFF') ^ hexdec('D77D'); } define('__FLAG__', 'flag{hidden_flag}'); if(decrypt($_REQUEST['pass']) == 'pwning_the_phpreverse!') { __FLAG__; } ?>
based on gDVjS
Output for 7.1.0 - 7.2.0
Notice: Undefined index: pass in /in/7djFs on line 19 Warning: A non-numeric value encountered in /in/7djFs on line 5
Output for 5.3.19 - 7.0.20
Notice: Undefined index: pass in /in/7djFs on line 19