$credentials = new Credentials();
$credentials->setAuthToken($authToken);
$credentials->setPublishableKey($publishableKey);
$credentials->setProcessorUserId($processorUserId);
$gateway = new Gateway();
$gateway->setCredentials($credentials);
$merchant->setGateway($gateway);
if ($_POST) {
$m = $_POST['merchant'];
$a = $_POST['address'];
try {
// Foreign Reference
$merchant->setExternalId($m['externalId']);
// Profile
$merchant->setName($m['name']);
$merchant->setEmail($m['email']);
$merchant->setSupportEmail($m['supportEmail']);
$domainCollection = new ArrayCollection($m['domains']);
$merchant->setDomains($domainCollection);
// Address
$address = $merchant->getAddress();
$address->setStreetAddressLine1($a['streetAddressLine1']);
$address->setLocality($a['locality']);
$address->setRegion($a['region']);
$address->setPostalCode($a['postalCode']);
$address->setCountry($a['country']);
$processor->createMerchant($merchant);
$processor->createPaymentProcessor($merchant);
$success = sprintf('Twitter Merchant with ID %s attached to Payment Processor', $merchant->getId());
} catch (\Exception $e) {
$error = sprintf('%s: %s', get_class($e), $e->getMessage());