3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = array('a' => "test"); echo $a['a']; echo $a['b'];
based on kBsP5
Output for 5.3.0 - 7.2.0
test Notice: Undefined index: b in /in/YiRIm on line 5
Output for 4.3.0 - 5.2.17
test Notice: Undefined index: b in /in/YiRIm on line 5