3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array('test' => 'hello', 'hello' => 1); foreach($a as $b) { print $a[$b]."\n"; }
Output for 5.3.0 - 7.2.0
1 Notice: Undefined offset: 1 in /in/6hBDV on line 5
Output for 4.3.0 - 5.2.17
1 Notice: Undefined offset: 1 in /in/6hBDV on line 5