refund-transaction.php

<?php
  require 'vendor/autoload.php';
  require_once 'constants/SampleCodeConstants.php';
  use net\authorize\api\contract\v1 as AnetAPI;
  use net\authorize\api\controller as AnetController;

  define("AUTHORIZENET_LOG_FILE", "phplog");

function refundTransaction($refTransId, $amount)
{
    /* Create a merchantAuthenticationType object with authentication details
       retrieved from the constants file */
    $merchantAuthentication = new AnetAPI\MerchantAuthenticationType();
    $merchantAuthentication->setName(\SampleCodeConstants::MERCHANT_LOGIN_ID);
    $merchantAuthentication->setTransactionKey(\SampleCodeConstants::MERCHANT_TRANSACTION_KEY);
    
    // Set the transaction's refId
    $refId = 'ref' . time();

    // Create the payment data for a credit card
    $creditCard = new AnetAPI\CreditCardType();
    $creditCard->setCardNumber("0015");
    $creditCard->setExpirationDate("XXXX");
    $paymentOne = new AnetAPI\PaymentType();
    $paymentOne->setCreditCard($creditCard);
    //create a transaction
    $transactionRequest = new AnetAPI\TransactionRequestType();
    $transactionRequest->setTransactionType( "refundTransaction"); 
    $transactionRequest->setAmount($amount);
    $transactionRequest->setPayment($paymentOne);
    $transactionRequest->setRefTransId($refTransId);
 

    $request = new AnetAPI\CreateTransactionRequest();
    $request->setMerchantAuthentication($merchantAuthentication);
    $request->setRefId($refId);
    $request->setTransactionRequest( $transactionRequest);
    $controller = new AnetController\CreateTransactionController($request);
    $response = $controller->executeWithApiResponse( \net\authorize\api\constants\ANetEnvironment::SANDBOX);

    if ($response != null)
    {
      if($response->getMessages()->getResultCode() == "Ok")
      {
        $tresponse = $response->getTransactionResponse();
        
	      if ($tresponse != null && $tresponse->getMessages() != null)   
        {
          echo " Transaction Response code : " . $tresponse->getResponseCode() . "\n";
          echo "Refund SUCCESS: " . $tresponse->getTransId() . "\n";
          echo " Code : " . $tresponse->getMessages()[0]->getCode() . "\n"; 
	        echo " Description : " . $tresponse->getMessages()[0]->getDescription() . "\n";
        }
        else
        {
          echo "Transaction Failed \n";
          if($tresponse->getErrors() != null)
          {
            echo " Error code  : " . $tresponse->getErrors()[0]->getErrorCode() . "\n";
            echo " Error message : " . $tresponse->getErrors()[0]->getErrorText() . "\n";            
          }
        }
      }
      else
      {
        echo "Transaction Failed \n";
        $tresponse = $response->getTransactionResponse();
        if($tresponse != null && $tresponse->getErrors() != null)
        {
          echo " Error code  : " . $tresponse->getErrors()[0]->getErrorCode() . "\n";
          echo " Error message : " . $tresponse->getErrors()[0]->getErrorText() . "\n";                      
        }
        else
        {
          echo " Error code  : " . $response->getMessages()->getMessage()[0]->getCode() . "\n";
          echo " Error message : " . $response->getMessages()->getMessage()[0]->getText() . "\n";
        }
      }      
    }
    else
    {
      echo  "No response returned \n";
    }

    return $response;
  }
  if(!defined('DONT_RUN_SAMPLES'))
    refundTransaction( "2.23");
?>