More Invoice API Updates

lib/PayPal/Api/Image.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace PayPal\Api;
+
+use PayPal\Common\PPModel;
+
+/**
+ * Class Image
+ *
+ * @package PayPal\Api
+ *
+ * @property string image
+ */
+class Image extends PPModel
+{
+    /**
+     * List of invoices belonging to a merchant.
+     *
+     * @param string $imageBase64String
+     * 
+     * @return $this
+     */
+    public function setImageBase64($imageBase64String)
+    {
+        $this->image = $imageBase64String;
+        return $this;
+    }
+
+    /**
+     * Get Image as Base-64 encoded String
+     *
+     * @return string
+     */
+    public function getImageBase64()
+    {
+        return $this->image;
+    }
+
+    /**
+     * Stores the Image to file
+     *
+     * @param string $name File Name
+     */
+    public function saveToFile($name = null)
+    {
+        // Self Generate File Location
+        if (!$name) {
+            $name = uniqid() . '.png';
+        }
+        // Save to File
+        file_put_contents($name, base64_decode($this->getImageBase64()));
+        return $name;
+    }
+
+}