private function checkIfOriginIsInReferrers($orderOrigin, array $referrers)
    {
        foreach ($referrers as $referrer) {
            if ($referrer['referrerId'] === $orderOrigin) {
                return true;
            }
        }

        return false;
    }
private function checkIfOriginIsInReferrers($orderOrigin, array $referrers)
    {
        foreach ($referrers as $referrer) {
            if ($referrer['referrerId'] === $orderOrigin) {
                return true;
            }
        }

        return false;
    }
@param string $orderOrigin
@param array  $referrers

@return bool