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@ 2013-09-13T19:41:33Z

<?php

class A {
}

class B extends A {
}

$a = new A();
var_dump($a instanceof A);
var_dump($a instanceof B);

$b = new B();
var_dump($b instanceof A);
var_dump($b instanceof B);

Output
Performance
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var_dump: documentation ( source)

preferences:dark modelive preview

67.02 ms | 402 KiB | 5 Q