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@ 2014-07-23T13:33:41Z

<?php
class A {}
class B extends A {}

$a = new A();
$b = new B();

var_dump(is_a($a, 'A'));
var_dump(is_a($b, 'A'));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
is_a: documentation ( source)

preferences:dark modelive preview

56.96 ms | 402 KiB | 5 Q