3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $f = function() { $a = yield -1; }; foreach ($f() as $i) { var_dump($i); }
based on 8iF0M

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

Output for Typed properties v2
int(-1)
Output for Arrow functions
int(-1)

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