3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = array(); var_dump($foo['bar']);
Output for 5.3.0 - 7.2.0
Notice: Undefined index: bar in /in/T0LPj on line 4 NULL
Output for 4.3.0 - 5.2.17
Notice: Undefined index: bar in /in/T0LPj on line 4 NULL