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@ 2013-09-26T08:08:04Z

<?php

class C {

    public function f ( $foo ) {

        var_dump($foo instanceof self);
    }
}

class D extends C { }

$c = new C();
$c->f(new D());

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive preview

41.13 ms | 402 KiB | 5 Q