Request::json PHP Method

        public static function json($key = null, $default = null)
        {
            return \Illuminate\Http\Request::json($key, $default);
        }

 /**
  * Get the inputs directly or from the batch request input
  * @return mixed
  */
 protected function getInputs()
 {
     if (!is_null(self::$currentRequest)) {
         return self::$currentRequest->json()->all();
     } else {
         return \Input::all();
     }
 }