3v4l.org

run code in 500+ PHP versions simultaneously
<?php class Foo { use Bar; public string $id = 'foo'; } trait Bar { public function someMethod() { var_dump($this->id); } } (new Foo)->someMethod();
Output for 8.1.8 - 8.1.34, 8.2.10 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
string(3) "foo"

preferences:
72 ms | 889 KiB | 4 Q