Added some fixes to resolve conflict

index.php

@@ -12,21 +12,21 @@
 
 $gateway->setTestMode(true);
 
-$card = new CreditCard(array(
+$card = new CreditCard([
     'firstName'   => 'Sujip',
     'lastName'    => 'Thapa',
     'number'      => '4444333322221111',
     'expiryMonth' => '10',
     'expiryYear'  => '2030',
     'cvv'         => '123',
-));
+]);
 
-$response = $gateway->purchase(array(
+$response = $gateway->purchase([
     'amount'        => '12.00',
     'transactionId' => 'ORDER-ZYX8',
     'currency'      => 'AUD',
     'card'          => $card,
-))
+])
     ->send();
 
 $message = sprintf(

src/HostedPaymentGateway.php

@@ -9,7 +9,7 @@
  */
 class HostedPaymentGateway extends AbstractGateway
 {
-    public function completePurchase(array $parameters = array())
+    public function completePurchase(array $parameters = [])
     {
         return $this->createRequest('\Omnipay\NABTransact\Message\HostedPaymentCompletePurchaseRequest', $parameters);
     }
@@ -24,7 +24,7 @@ public function getName()
         return 'NAB Hosted Payment';
     }
 
-    public function purchase(array $parameters = array())
+    public function purchase(array $parameters = [])
     {
         return $this->createRequest('\Omnipay\NABTransact\Message\HostedPaymentPurchaseRequest', $parameters);
     }

src/Message/HostedPaymentPurchaseRequest.php

@@ -7,19 +7,10 @@
  */
 class HostedPaymentPurchaseRequest extends AbstractRequest
 {
-    /**
-     * @var string
-     */
     public $liveEndpoint = 'https://transact.nab.com.au/test/hpp/payment';
 
-    /**
-     * @var string
-     */
     public $testEndpoint = 'https://transact.nab.com.au/live/hpp/payment';
 
-    /**
-     * @return mixed
-     */
     public function getData()
     {
         $this->validate(
@@ -30,7 +21,7 @@ public function getData()
             'paymentAlertEmail'
         );
 
-        $data = array();
+        $data = [];
 
         $data['vendor_name'] = $this->getMerchantId();
         $data['payment_alert'] = $this->getPaymentAlertEmail();
@@ -44,55 +35,31 @@ public function getData()
         return $data;
     }
 
-    /**
-     * @return mixed
-     */
     public function getMerchantId()
     {
         return $this->getParameter('merchantId');
     }
 
-    /**
-     * @return mixed
-     */
     public function getPaymentAlertEmail()
     {
         return $this->getParameter('paymentAlertEmail');
     }
 
-    /**
-     * @return mixed
-     */
     public function getReturnUrlText()
     {
         return $this->getParameter('returnUrlText');
     }
 
-    /**
-     * @param $data
-     *
-     * @return mixed
-     */
     public function sendData($data)
     {
         return $this->response = new HostedPaymentPurchaseResponse($this, $data, $this->getEndpoint());
     }
 
-    /**
-     * @param $value
-     *
-     * @return mixed
-     */
     public function setPaymentAlertEmail($value)
     {
         return $this->setParameter('paymentAlertEmail', $value);
     }
 
-    /**
-     * @param $value
-     *
-     * @return mixed
-     */
     public function setReturnUrlText($value)
     {
         return $this->setParameter('returnUrlText', $value);

src/Message/SecureXMLAbstractRequest.php

@@ -7,59 +7,28 @@
  */
 abstract class SecureXMLAbstractRequest extends AbstractRequest
 {
-    /**
-     * @var string
-     */
     public $testEndpoint = 'https://demo.transact.nab.com.au/xmlapi/payment';
 
-    /**
-     * @var string
-     */
     public $liveEndpoint = 'https://transact.nab.com.au/live/xmlapi/payment';
 
-    /**
-     * @var string
-     */
     protected $requestType = 'Payment';
 
-    /**
-     * @var mixed
-     */
     protected $txnType;
 
-    /**
-     * @var array
-     */
-    protected $requiredFields = array();
+     protected $requiredFields = [];
 
-    /**
-     * Set the messageID on the request.
-     *
-     * This is returned intact on any response so you could add a local
-     * database ID here to ease in matching data later.
-     */
     public function setMessageId($value)
     {
         return $this->setParameter('messageId', $value);
     }
 
-    /**
-     * Generates a SecureXML messageId.
-     *
-     * @return string
-     */
     public function generateMessageId()
     {
         $hash = hash('sha256', microtime());
 
         return substr($hash, 0, 30);
     }
 
-    /**
-     * Get the messageID or generated one based on timestamp.
-     *
-     * @return string
-     */
     public function getMessageId()
     {
         $messageId = $this->getParameter('messageId');
@@ -71,11 +40,6 @@ public function getMessageId()
         return $this->getParameter('messageId');
     }
 
-    /**
-     * @param $data
-     *
-     * @return mixed
-     */
     public function sendData($data)
     {
         $httpResponse = $this->httpClient->post($this->getEndpoint(), null, $data->asXML())->send();

src/Message/SecureXMLAuthorizeRequest.php

@@ -12,19 +12,10 @@
  */
 class SecureXMLAuthorizeRequest extends SecureXMLAbstractRequest
 {
-    /**
-     * @var int
-     */
     protected $txnType = 10;
 
-    /**
-     * @var array
-     */
-    protected $requiredFields = array('amount', 'card', 'transactionId');
+    protected $requiredFields = ['amount', 'card', 'transactionId'];
 
-    /**
-     * @return mixed
-     */
     public function getData()
     {
         return $this->getBasePaymentXMLWithCard();

src/Message/SecureXMLCaptureRequest.php

@@ -13,19 +13,10 @@
  */
 class SecureXMLCaptureRequest extends SecureXMLAbstractRequest
 {
-    /**
-     * @var int
-     */
     protected $txnType = 11;
 
-    /**
-     * @var array
-     */
-    protected $requiredFields = array('amount', 'transactionId', 'preauthId');
+    protected $requiredFields = ['amount', 'transactionId', 'preauthId'];
 
-    /**
-     * @return mixed
-     */
     public function getData()
     {
         $xml = $this->getBasePaymentXML();
@@ -37,8 +28,6 @@ public function getData()
 
     /**
      * Set the preauthId that was returned as part of the original authorize request.
-     *
-     * @return mixed
      */
     public function setPreauthId($value)
     {

src/Message/SecureXMLEchoTestRequest.php

@@ -12,14 +12,8 @@
  */
 class SecureXMLEchoTestRequest extends SecureXMLAbstractRequest
 {
-    /**
-     * @var string
-     */
     protected $requestType = 'Echo';
 
-    /**
-     * @return mixed
-     */
     public function getData()
     {
         return $this->getBaseXML();

src/Message/SecureXMLPurchaseRequest.php

@@ -7,19 +7,10 @@
  */
 class SecureXMLPurchaseRequest extends SecureXMLAbstractRequest
 {
-    /**
-     * @var int
-     */
     protected $txnType = 0;
 
-    /**
-     * @var array
-     */
-    protected $requiredFields = array('amount', 'card', 'transactionId');
+    protected $requiredFields = ['amount', 'card', 'transactionId'];
 
-    /**
-     * @return mixed
-     */
     public function getData()
     {
         return $this->getBasePaymentXMLWithCard();

src/Message/SecureXMLRefundRequest.php

@@ -12,19 +12,10 @@
  */
 class SecureXMLRefundRequest extends SecureXMLAbstractRequest
 {
-    /**
-     * @var int
-     */
     protected $txnType = 4;
 
-    /**
-     * @var array
-     */
-    protected $requiredFields = array('amount', 'transactionId', 'transactionReference');
+    protected $requiredFields = ['amount', 'transactionId', 'transactionReference'];
 
-    /**
-     * @return mixed
-     */
     public function getData()
     {
         $xml = $this->getBasePaymentXML();

src/Message/SecureXMLResponse.php

@@ -80,8 +80,8 @@ public function getResponseText()
     public function getCode()
     {
         return $this->hasTransaction()
-        ? (string) $this->data->Payment->TxnList->Txn->responseCode
-        : (string) $this->data->Status->statusCode;
+            ? (string) $this->data->Payment->TxnList->Txn->responseCode
+            : (string) $this->data->Status->statusCode;
     }
 
     /**
@@ -92,8 +92,8 @@ public function getCode()
     public function getMessage()
     {
         return $this->hasTransaction()
-        ? (string) $this->data->Payment->TxnList->Txn->responseText
-        : (string) $this->data->Status->statusDescription;
+            ? (string) $this->data->Payment->TxnList->Txn->responseText
+            : (string) $this->data->Status->statusDescription;
     }
 
     /**
@@ -112,8 +112,8 @@ public function getMessageTimestamp()
     public function getTransactionReference()
     {
         return $this->hasTransaction()
-        ? (string) $this->data->Payment->TxnList->Txn->purchaseOrderNo
-        : null;
+            ? (string) $this->data->Payment->TxnList->Txn->purchaseOrderNo
+            : null;
     }
 
     /**
@@ -122,8 +122,8 @@ public function getTransactionReference()
     public function getTransactionId()
     {
         return $this->hasTransaction()
-        ? (string) $this->data->Payment->TxnList->Txn->txnID
-        : null;
+            ? (string) $this->data->Payment->TxnList->Txn->txnID
+            : null;
     }
 
     /**
@@ -134,8 +134,8 @@ public function getTransactionId()
     public function getTransactionAmount()
     {
         return $this->hasTransaction()
-        ? (string) $this->data->Payment->TxnList->Txn->amount
-        : null;
+            ? (string) $this->data->Payment->TxnList->Txn->amount
+            : null;
     }
 
     /**
@@ -146,8 +146,8 @@ public function getTransactionAmount()
     public function getTransactionCurrency()
     {
         return $this->hasTransaction()
-        ? (string) $this->data->Payment->TxnList->Txn->currency
-        : null;
+            ? (string) $this->data->Payment->TxnList->Txn->currency
+            : null;
     }
 
     /**
@@ -158,8 +158,8 @@ public function getTransactionCurrency()
     public function getTransactionSource()
     {
         return $this->hasTransaction()
-        ? (string) $this->data->Payment->TxnList->Txn->txnSource
-        : null;
+            ? (string) $this->data->Payment->TxnList->Txn->txnSource
+            : null;
     }
 
     /**
@@ -170,7 +170,7 @@ public function getTransactionSource()
     public function getSettlementDate()
     {
         return $this->hasTransaction()
-        ? (string) $this->data->Payment->TxnList->Txn->settlementDate
-        : null;
+            ? (string) $this->data->Payment->TxnList->Txn->settlementDate
+            : null;
     }
 }