3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $b = $a++ + --$a * ++$a; echo $b;
Output for 5.3.28 - 5.3.29, 5.4.18 - 5.6.28, hhvm-3.10.0, 7.0.0 - 7.1.0
Notice: Undefined variable: a in /in/ZkqHd on line 2 0
Output for hhvm-3.12.0
Notice: Undefined variable: a in /in/ZkqHd on line -1 0
Output for 5.0.4 - 5.3.27, 5.4.0 - 5.4.17
Notice: Undefined variable: a in /in/7rcsf on line 2 0
Output for 4.3.1 - 5.0.3
Notice: Undefined variable: a in /in/7rcsf on line 2 0
Output for 4.3.0
Notice: Undefined variable: a in /in/ZkqHd on line 2 0