3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(2, 7, 9, 11, 13, 15, 17); echo $a[-1];
based on h4WQo
Output for 5.3.0 - 7.1.0
Notice: Undefined offset: -1 in /in/93UP0 on line 4
Output for 4.3.0 - 5.2.17
Notice: Undefined offset: -1 in /in/93UP0 on line 4