public function pre_set_site_transient_update_plugins($data)
 {
     //
     // Only run after other plugins are checked.
     //
     if (empty($data->checked)) {
         return $data;
     }
     //
     // Create Batch of plugins to update.
     //
     $plugins = $this->get_plugin_meta();
     $batch = array();
     foreach ($plugins as $slug => $plugin) {
         $batch[] = $plugin->product_slug;
     }
     if (!empty($batch)) {
         //
         // Request update information from the remote API.
         //
         $request = X_Update_API::get_products($batch);
         $remote_plugins = isset($request['products']) ? $request['products'] : array();
         //
         // Set update info for each plugin.
         //
         foreach ($plugins as $slug => $plugin) {
             //
             // Continue if there was a response from the server for this plugin.
             //
             if (isset($remote_plugins[$plugin->product_slug])) {
                 $remote = $remote_plugins[$plugin->product_slug];
             } else {
                 continue;
             }
             $update = array('upgrade_notice' => $remote['download_url'] == null ? X_Update_API::get_validation_html_plugin_updates() : '', 'plugin' => $slug, 'slug' => dirname($slug), 'new_version' => $remote['latest_version'], 'url' => 'http://theme.co/changelog/?iframe=true', 'package' => $remote['download_url']);
             $remote_is_newer = 1 === version_compare($remote['latest_version'], $plugin->local_version);
             if ($remote_is_newer) {
                 $data->response[$slug] = (object) $update;
             }
         }
     }
     // Clear addon list cache
     delete_site_option('x_addon_list_cache');
     return $data;
 }