3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 7; $a = $a++ + ++$a; echo $e; ?>
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: e in /in/HJYOX on line 4
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: e in /in/HJYOX on line 4