<?php declare(strict_types=1); namespace Fixture\PHP81; use DateTime; class MockClass { public function __construct( public A $a = new A(), protected B $b = new B(1), private C $c = new C(b: new B(1), x: 2), public DateTime $dateTime = new DateTime(), ) { } public function test( string $msg, #[SomeAttribute(param: new A())] A $a = new A(), B $b = new B(1), C $c = new C(x: 2), DateTime $dateTime = new DateTime(), ): string { return $msg . ' - ' . $a->test() . ' - ' . $b->test() . ' - ' . $c->test() . ' - ' . $dateTime->format('Y-m-d'); } }