3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $array = array(); $array['index'] &= '';
Output for 7.1.0 - 7.1.10
Notice: Undefined index: index in /in/gWqcB on line 4 Warning: A non-numeric value encountered in /in/gWqcB on line 4
Output for 5.3.0 - 7.0.20
Notice: Undefined index: index in /in/gWqcB on line 4
Output for 4.3.0 - 5.2.17
Notice: Undefined index: index in /in/gWqcB on line 4