3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if ($x == 4) { echo 'Yes'; } else { echo 'No'; } ?>
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: x in /in/kiKvr on line 2 No
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: x in /in/kiKvr on line 2 No