run code in 300+ PHP versions simultaneously
<?php $items = ['foo', 0]; sort($items); var_dump($items);

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for branch master
array(2) { [0]=> int(0) [1]=> string(3) "foo" }

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page