public function w3tc_cloudflare_save_settings()
 {
     $api = Extension_CloudFlare_SettingsForUi::api();
     $errors = Extension_CloudFlare_SettingsForUi::settings_set($api);
     if (empty($errors)) {
         Util_Admin::redirect_with_custom_messages2(array('notes' => array('cloudflare_save_done' => __('CloudFlare settings are successfully updated.', 'w3-total-cache'))));
     } else {
         Util_Admin::redirect_with_custom_messages2(array('errors' => array('cloudflare_save_error' => __('Failed to update CloudFlare settings:', 'w3-total-cache') . "<br />\n" . implode("<br />\n", $errors))));
     }
 }