3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = null; foreach($a as $b) { echo 'x'; }
Output for 4.3.0 - 4.3.10, 4.4.0 - 7.2.0
Warning: Invalid argument supplied for foreach() in /in/bHipB on line 4
Output for 4.3.11