3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait MyInterface {} class MyClass { use MyInterface; } // This will fail on 5.3.8 and earlier, this has been fixed // in #53727, but doc does not reflect that. echo (is_subclass_of('MyInterface', 'MyClass') ? 'true' : 'false');

preferences:
39.14 ms | 402 KiB | 5 Q