3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(0); $s1 = $_GET[md5($_SERVER['REMOTE_ADDRESS'])]; $s2 = $_GET[md5($_SERVER['HTTP_USER_AGENT'])]; if ($s1!=$s2) return; if (md5($s1)===hash('md5',$s2)) return; ?>
Output for 4.3.0 - 4.3.1, 5.1.2 - 7.1.0
Output for 4.3.2 - 5.1.1

Process exited with code 255.