Online PHP editor | refs for Tt5V1

<?php namespace Concrete\Test { class Foo {} class_alias('\Concrete\Test\Foo', 'DerpFoo'); } namespace Concrete\BetterTest { use DerpFoo; class BetterFoo extends DerpFoo {} class Test { public function __construct(DerpFoo $foo) {} } $f = new Test(new BetterFoo); }