3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump($derp === null); $derp = null; var_dump($derp === null);
based on BVUW7
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: derp in /in/Bd4ne on line 3 bool(true) bool(true)
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: derp in /in/Bd4ne on line 3 bool(true) bool(true)