3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface I{} class Data implements I{} abstract class P { public function getThing(): ?I { return null; } } class C extends P { public function getThing(): Data { return new Data; } } var_dump((new C)->getThing());
Output for git.master_jit, git.master, rfc.property-hooks
object(Data)#2 (0) { }

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:
32.43 ms | 405 KiB | 5 Q