3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $arr = array(); echo $arr["hi"] == null;
Output for 5.3.0 - 7.2.0
Notice: Undefined index: hi in /in/GJZf7 on line 4 1
Output for 4.3.0 - 5.2.17
Notice: Undefined index: hi in /in/GJZf7 on line 4 1