3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php define("DEBUG", true); error_reporting(defined("DEBUG") ? E_ALL : 0); echo $check;
based on rnVpC
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: check in /in/6UMVF on line 5
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: check in /in/6UMVF on line 5