case 'unfollow':
     $isAjax = isset($_REQUEST['buckys_ajax']) ? true : false;
     $paramPageID = get_secure_integer($_REQUEST['pid']);
     if ($isAjax) {
         header('Content-type: application/xml');
     }
     if (!buckys_check_form_token('request')) {
         if ($isAjax) {
             $resultXML = ['status' => 'error', 'message' => MSG_INVALID_REQUEST];
             render_result_xml($resultXML);
             exit;
         } else {
             buckys_redirect('/page.php?pid=' . $paramPageID, MSG_INVALID_REQUEST, MSG_TYPE_ERROR);
         }
     }
     $result = $pageFollowerIns->removeFollower($paramPageID, $userID);
     if ($result) {
         if ($isAjax) {
             $resultXML = ['status' => 'success', 'message' => 'MSG_FOLLOW_PAGE_SUCCESS', 'html' => 'follow', 'link' => '/page.php?action=follow&pid=' . $paramPageID . buckys_get_token_param()];
             render_result_xml($resultXML);
             exit;
         } else {
             buckys_redirect('/page.php?pid=' . $paramPageID, MSG_UNFOLLOW_PAGE_SUCCESS, MSG_TYPE_SUCCESS);
         }
     } else {
         $resultXML = ['status' => 'error', 'message' => MSG_INVALID_REQUEST];
         render_result_xml($resultXML);
         exit;
     }
     break;
     //==================== Add New Page ====================//