3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace MyNamespace\Overwrite; function header($str) { echo $str; } class Foo { function test() { header("Cache-Control: no-cache, must-revalidate"); } } (new Foo())->test();
Output for git.master, git.master_jit, rfc.property-hooks
Cache-Control: no-cache, must-revalidate

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:
76.42 ms | 401 KiB | 8 Q