Using PayPal for One-Time Transactions

 $tx = new Transaction();
  
 // populate the transaction as shown in earlier examples
  
 $paymentMethod = new PaymentMethod();
 $paymentMethod->setType('PayPal');
  
 $payPal = new PayPal();
  
 // request a ReferenceId from PayPal
 $payPal->setRequestReferenceId('true');
  
 // Set the URL to which the customer will be redirected after 
 // completing the payment process at PayPal’s site, and 
 // returning to Vindicia’s landing page.
  
 $payPal->setReturnUrl('http://myshoppingcart.merchant.com'); 
  
 // specify the bank routing number
 $payPal->setCancelUrl('http://tryagain.merchant.com');
  
 $paymentMethod->setPayPal($payPal);
  
 $tx->setSourcePaymentMethod($paymentMethod);
  
 $sendEmailNotification = false;
 $response = $tx->authCapture($sendEmailNotification);
  
 if($response['returnCode']==200) {
  
 if($tx->statusLog[0]->status=='AuthorizationPending') {
 $payPalUrl = $tx->statusLog[0]->payPalStatus->redirectUrl;
  
 // send customer to this URL for completion of payment 
 // formalities at PayPal's site
 }
 else if($tx->statusLog[0]->status=='Cancelled') {
 // The transaction was not accepted by PayPal 
 }
 }

 $soap_caller = new Transaction();
  
 // obtain id of the PayPal transaction
 // from the redirect URL. It is the value associated with name
 // 'vindicia_vid'
  
 $payPalTxId = … ;
  
 // if calling from return URL which is reached when the PayPal
 // transaction is successfully authorized you should set the
 // success input parameter to true, from the cancelUrl it should
 // be set to false. Let’s assume success here:
  
 $success = true;
 $response = 
 $soap_caller->finalizePayPalAuth($payPalTxId, $success);
  
 if($response['returnCode'] == 200) {
 printLog "Transaction authorized";
 }