3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); interface Factory { public function build(): Product; } interface Product { } class A implements Product { } class B implements Product { } class FA implements Factory { public function build(): Product { return new A; } } class FB implements Factory { public function build(): Product { return new A; } } class Client { private $f; public function __construct(Factory $f) { $this->f = $f; } public function payload() { var_dump($this->f->build()); } } $fa = new FA; $clientA = new Client($fa); $clientA->payload(); $fb = new FB; $clientB = new Client($fb); $clientB->payload();
Output for git.master, git.master_jit, rfc.property-hooks
object(A)#3 (0) { } object(A)#5 (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:
165.3 ms | 405 KiB | 5 Q