private static function implementsInterfaceRecursive(Clazz $clazz, $intfName)
{
assert($clazz->isInterface());
if ($clazz->getName() === $intfName) {
return true;
}
$intfs = $clazz->getInterfaces();
foreach ($intfs as $intf) {
if (self::implementsInterfaceRecursive($intf, $intfName)) {
return true;
}
}
return false;
}
