3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $name = 'foo'; if (strlen($name) > 49) { echo 'a'; } if (isset($name[49])) { echo 'a'; }

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

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