3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $sa=array(60 => array(1)); //print_r($sa); if($sa[40]!== "undefined"){echo "hola";}
Output for 5.3.0 - 7.1.0
Notice: Undefined offset: 40 in /in/uj7Bg on line 4 hola
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: 40 in /in/uj7Bg on line 4 hola