3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $prova = array(); print_r($prova['prova']['123']);
Output for 5.3.0 - 7.2.0
Notice: Undefined index: prova in /in/LE9Xi on line 3
Output for 4.3.0 - 5.2.17
Notice: Undefined index: prova in /in/LE9Xi on line 3