3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($a): void { $a[0] = [1, 2, 3]; } $foo = 1; $r = &$foo; foo([$r]); var_dump($foo);
Output for git.master, git.master_jit, rfc.property-hooks
int(1)

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:
28.66 ms | 401 KiB | 8 Q