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@ 2014-04-06T19:38:41Z

<?php

interface A {}

class B implements A {}
class C extends B {}
class D extends B implements A {}

$bRef = new \ReflectionClass('B');
var_dump($bRef->implementsInterface('A'));

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

40.02 ms | 402 KiB | 5 Q