3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if (3 > 5) { $z = 1; } if (is_null($z)) echo "";
based on NEuTJ
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: z in /in/VpMSn on line 5
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: z in /in/VpMSn on line 5