Response: check if empty response before attempting to decode

Author: kornrunner

src/DatingVIP/API/Response.php

@@ -100,7 +100,7 @@ public function set($data)
 
             case 'json':
             default:
-                $this->data = json_decode($data, true) ?: [];
+                $this->data = empty($data) ? [] : (json_decode($data, true) ?: []);
                 $result = json_last_error() == JSON_ERROR_NONE;
                 if (empty ($result)) {
                     throw new RuntimeException ("Error decoding: " . json_last_error_msg ());