3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $i = $i + $i; ?>
Output for 5.0.4 - 7.1.7
Notice: Undefined variable: i in /in/SnNFS on line 2 Notice: Undefined variable: i in /in/SnNFS on line 2
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: i in /in/SnNFS on line 2 Notice: Undefined variable: i in /in/SnNFS on line 2