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@ 2014-06-20T10:25:42Z

<?php

interface I {}

var_dump(class_exists('cI')); // false
var_dump(class_exists('C')); // true

class cI implements I {}
class C {}

var_dump(class_exists('cI')); // true
var_dump(class_exists('C')); // true

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
class_exists: documentation ( source)

preferences:dark modelive preview

40.11 ms | 402 KiB | 5 Q