3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $foo = array(); $foo[] = 1; $foo[] = 5; $foo[] = -1;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0