3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $sa=array(60 => array(1,5,6)); //print_r($sa); if($sa[60]!== "undefined"){echo implode(",",$sa[60]);}
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
1,5,6
Output for hhvm-3.10.0

Process exited with code 153.