3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 1; $yy = function() use (&$x) { return $x + 1;}; $y = fn() => $x + 1; $x = 2; var_dump($y); var_dump($yy);
Output for git.master_jit, git.master, rfc.property-hooks
object(Closure)#2 (1) { ["static"]=> array(1) { ["x"]=> int(1) } } object(Closure)#1 (1) { ["static"]=> array(1) { ["x"]=> &int(2) } }

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:
28.67 ms | 405 KiB | 5 Q