public function cp_list()
 {
     $all_apps = $this->apps_list();
     foreach ($all_apps as $app_name) {
         $app = new phpos_app();
         $app->set_app_id($app_name);
         $app->load_config();
         if ($app->have_cp()) {
             $cp_array[] = $app->get_cp_list();
         }
     }
     return $cp_array;
 }