3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Bar { class Bat { public function __construct() { return $this; } } } namespace Foo { use \Bar as Baz; class Foobar { public function f() { return new Baz\Bat(); } } }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7

preferences:
266.97 ms | 403 KiB | 181 Q