3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a[i]=array("1","2","3","4"); array_shift($a); print_r($a);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant i - assumed 'i' in /in/qmRos on line 2 Array ( )