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@ 2018-10-25T10:58:20Z

<?php

class Foo {
}
class Bar extends Foo {}
class Baz extends Bar {}

class Service
{
    public function supports($object) {
        return is_subclass_of($object, Foo::class);
    }
}

$s = new Service();

var_dump($s->supports(new Bar()));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
is_subclass_of: documentation ( source)

preferences:dark modelive preview

32.39 ms | 402 KiB | 5 Q