3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Example; class A { public function test(string $a) { return $a; } } class B extends A { public function test(mixed $a) { return parent::test($a); } } $b = new B(); var_dump(get_debug_type($b));
Output for git.master, git.master_jit, rfc.property-hooks
string(9) "Example\B"

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:
44.63 ms | 405 KiB | 5 Q