/**
  * Based on previous wall request it will execute the next wall request
  * @return array
  */
 public function next()
 {
     $result = [];
     try {
         $request = $this->facebookResponse->getRequestForNextPage();
         $response = $request->execute();
         $this->facebookResponse = $response;
         $response = $response->getResponse();
         $result = $this->transformFacebookResponse($response->data);
     } catch (FacebookRequestException $ex) {
         echo $ex->getMessage();
     } catch (\Exception $ex) {
         echo $ex->getMessage();
     }
     return $result;
 }