3v4l.org

run code in 300+ PHP versions simultaneously
<?php use function PHPStan\dumpType; use function PHPStan\Testing\assertType; class A { public function __construct(public ?B $b) {} } class B { public function __construct(public ?C $c) {} } class C { public function __construct(public ?D $d) {} } class D {} $a = new A(new B(null)); var_dump($a->b?->c?->d ?? 'boom!');
Output for git.master_jit, git.master, rfc.property-hooks
string(5) "boom!"

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:
33.3 ms | 405 KiB | 5 Q