3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php for ($i=1; $i<=6; $i++) { $urlGray = array(); $urlGray[$i] = "foo"; } echo($urlGray[1]); ?>
Output for 5.3.0 - 7.1.0
Notice: Undefined offset: 1 in /in/Kh6rq on line 10
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: 1 in /in/Kh6rq on line 10