3v4l.org

run code in 300+ PHP versions simultaneously
<?php $class_aliases = [ 'FooAlias' => 'Foo' ]; spl_autoload_register(function($class) use ($class_aliases) { if (isset($class_aliases[$class])) { class_alias($class_aliases[$class], $class); return true; } }); class Foo {} class Bar extends Foo {} class FooCreator { public function create(\FooAlias $foo) { echo "silly"; } } $foo = new Bar; $creator = new FooCreator(); $creator->create($foo);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: FooCreator::create(): Argument #1 ($foo) must be of type FooAlias, Bar given, called in /in/kVDOf on line 29 and defined in /in/kVDOf:20 Stack trace: #0 /in/kVDOf(29): FooCreator->create(Object(Bar)) #1 {main} thrown in /in/kVDOf on line 20
Process exited with code 255.

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:
42.55 ms | 401 KiB | 8 Q