3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a |= 39; echo $a .' - ';
Output for 5.5.0 - 7.1.0
Notice: Undefined variable: a in /in/p5geg on line 3 39 -
Output for 4.3.0 - 5.4.45
39 -