3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $test[] = 'test'; $x = $y;
based on NVs3Q
Output for 5.0.4 - 7.3.0rc4
Notice: Undefined variable: y in /in/ooXWS on line 4
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: y in /in/ooXWS on line 4