3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $data = array(1,2,3,4,5); echo $data[-1];
Output for 5.3.0 - 5.6.21, 7.0.0 - 7.1.0
Notice: Undefined offset: -1 in /in/C3JDM on line 3
Output for hhvm-3.10.0 - 3.12.0
Notice: Undefined index: -1 in /in/C3JDM on line 3
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: -1 in /in/C3JDM on line 3