3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_export(count(null));

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

Output for Arrow functions
Warning: count(): Parameter must be an array or an object that implements Countable in /in/JSq4t on line 3 0

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