3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a='hello world'; echo $a[2].$a[55].$a[1];
Output for 5.2.10 - 7.1.0
Notice: Uninitialized string offset: 55 in /in/jdluX on line 3 le
Output for 4.3.0 - 5.2.9
Notice: Uninitialized string offset: 55 in /in/jdluX on line 3 le