Need to display my activity feed from my facebook page to my Joomla

if ($token && $token != $fbClient->getApplicationAccessToken()) // Should always be valid, but caution is good. 
                              $userMapModel->updateUserToken($jUserId, $token);

if ($token && $token != $fbClient->getApplicationAccessToken()) // Should always be valid, but caution is good. 
                { 
                    // get an extended access token 
                    $params['client_id'] = $jfbcLibrary->facebookAppId; 
                    $params['client_secret'] = $jfbcLibrary->facebookSecretKey; 
                    $params['grant_type'] = 'fb_exchange_token'; 
                    $params['fb_exchange_token'] = $token; 

                    $ch = curl_init(); 
                    $opts = array(); 
                    if ($configModel->getSetting('facebook_curl_disable_ssl', false)) 
                        $opts[CURLOPT_SSL_VERIFYPEER] = false; 

                    $opts[CURLOPT_POSTFIELDS] = http_build_query($params, null, '&'); 
                    $opts[CURLOPT_URL] = 'https://graph.facebook.com/oauth/access_token'; 
                    $opts[CURLOPT_RETURNTRANSFER] = true; 

                    curl_setopt_array($ch, $opts); 
                    $response = curl_exec($ch); 
                    curl_close($ch); 

                    $response_params = array(); 
                    parse_str($response, $response_params); 
                    if (isset($response_params['access_token'])) 
                    { 
                        $newToken = $response_params['access_token']; 
                        $userMapModel->updateUserToken($jUserId, $newToken); 
                    } 
                }