3v4l.org

run code in 300+ PHP versions simultaneously
<?php function reduce(int $a, int $b, callback $reducer) : int { return $reducer($a, $b); } reduce(1, 2, function($a, $b, $c){ return $a + $b + $c; });
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: reduce(): Argument #3 ($reducer) must be of type callback, Closure given, called in /in/4iIs6 on line 7 and defined in /in/4iIs6:3 Stack trace: #0 /in/4iIs6(7): reduce(1, 2, Object(Closure)) #1 {main} thrown in /in/4iIs6 on line 3
Process exited with code 255.

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

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


preferences:
60.56 ms | 401 KiB | 8 Q