Added Header Image Support

src/Omnipay/PayPal/ExpressGateway.php

@@ -31,6 +31,16 @@ public function getDefaultParameters()
         $settings['solutionType'] = array('Sole', 'Mark');
         $settings['landingPage'] = array('Billing', 'Login');
 
+        /**
+         *
+         * (Optional) URL for the image you want to appear at the top left of the payment page.
+         * The image has a maximum size of 750 pixels wide by 90 pixels high.
+         * PayPal recommends that you provide an image that is stored on a secure (https) server.
+         * If you do not specify an image, the business name displays.
+         * Character length and limitations: 127 single-byte alphanumeric characters
+         */
+        $settings['headerImage'] = '';
+
         return $settings;
     }
 

src/Omnipay/PayPal/Message/AbstractRequest.php

@@ -69,6 +69,16 @@ public function setLandingPage($value)
         return $this->setParameter('landingPage', $value);
     }
 
+    public function getHeaderImage()
+    {
+        return $this->getParameter('headerImage');
+    }
+
+    public function setHeaderImage($value)
+    {
+        return $this->setParameter('headerImage', $value);
+    }
+
     protected function getBaseData($method)
     {
         $data = array();

src/Omnipay/PayPal/Message/ExpressAuthorizeRequest.php

@@ -36,6 +36,11 @@ public function getData()
         $data['RETURNURL'] = $this->getReturnUrl();
         $data['CANCELURL'] = $this->getCancelUrl();
 
+        // Add optional header image
+        if ($headerImage = $this->getHeaderImage()) {
+            $data['HDRIMG'] = $headerImage;
+        }
+
         if ($card = $this->getCard()) {
             $data['PAYMENTREQUEST_0_SHIPTONAME'] = $card->getName();
             $data['PAYMENTREQUEST_0_SHIPTOSTREET'] = $card->getAddress1();
@@ -55,4 +60,15 @@ protected function createResponse($data)
     {
         return $this->response = new ExpressAuthorizeResponse($this, $data);
     }
+
+    public function getHeaderImage()
+    {
+        return $this->getParameter('headerImage');
+    }
+
+    public function setHeaderImage($value)
+    {
+        return $this->setParameter('headerImage', $value);
+    }
+
 }