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@ 2018-03-12T16:12:34Z

<?php

namespace Foo;

interface Bar
{

}

class SomeClass implements Bar
{

}

if (isset(class_implements(SomeClass::class)[Bar::class])) {
    echo 'Yupee!';
} else {
    echo 'Ugh :(';
}

Output
Performance
VLD
References
Branches

class_implements: documentation ( source)

preferences:dark modelive preview

55.86 ms | 402 KiB | 5 Q