3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr = array(); $ho = $arr['hey']; $ho[] = 5;
Output for 5.5.0 - 7.1.0
Notice: Undefined index: hey in /in/0o29Y on line 3
Output for 4.3.0 - 5.4.45