public function verifyCredentials($eid, $secret) { $billmate = new BillMate($eid, $secret, true, false, false); $additionalinfo['PaymentData'] = array("currency" => 'SEK', "country" => 'se', "language" => 'sv'); $result = $billmate->GetPaymentPlans($additionalinfo); if (isset($result['code']) && $result['code'] == '9013') { return false; } return true; }