3v4l.org

run code in 500+ PHP versions simultaneously
<?php function test(string $a = NULL) { var_dump($a); } test(NULL); test('a');
Output for git.master, git.master_jit, rfc.property-hooks
NULL string(1) "a"

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:
43.5 ms | 1235 KiB | 4 Q