3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php if($x == true) { echo 'true'; }
based on ZU81J
Output for 5.0.4 - 7.1.7
Notice: Undefined variable: x in /in/B7BdD on line 2
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: x in /in/B7BdD on line 2