3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface IA {} class IB implements IA {} abstract class A { public function __construct(IA $ia) { echo "works!"; } } class B extends A { public function __construct(IB $ib) { parent::__construct($ib); } } $b = new B(new IB());
Output for git.master, git.master_jit, rfc.property-hooks
works!

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:
72.53 ms | 401 KiB | 8 Q