3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(0); require_once('flag.php'); $s1 = $_GET[md5($_SERVER['REMOTE_ADDRESS'])]; $s2 = $_GET[md5($_SERVER['HTTP_USER_AGENT'])]; if ($s1!=$s2) { if (md5($s1)===hash('md5',$s2)) { if (hash('sha512',$s1,true)!= hash('sha512',$s2,true)) { define("FLAG","123"); echo 'You got it'.FLAG; } } } ?>
Output for 4.3.2 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0

Process exited with code 255.
Output for 4.3.0 - 4.3.1