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@ 2014-04-07T13:54:30Z

<?php
interface IInterface
{
}

class TheClass implements IInterface
{
}

$interfaces = class_implements('TheClass');
var_dump($interfaces);
if (isset($interfaces['IInterface'])) {
    echo "Yes!";
}

Output
Performance
VLD
References
Branches

class_implements: documentation ( source)
var_dump: documentation ( source)

preferences:dark modelive preview

37.66 ms | 402 KiB | 5 Q