run code in 200+ PHP versions simultaneously
<?php $obj = new stdClass; $obj->a = 'a'; $obj->b = 'b'; foreach ($obj as $properties) { echo $properties . "\n"; }

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

Output for branch php-master
a b
Output for branch php-master+opcache
a b

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