public function validation_aal_settings_reset($arrInput, $arrOldInput)
 {
     if (isset($arrInput['aal_settings']['caches']['clear_caches']) && $arrInput['aal_settings']['caches']['clear_caches']) {
         AmazonAutoLinks_WPUtilities::cleanTransients('AAL');
         $this->setSettingNotice(__('The caches have been cleared.', 'amazon-auto-links'));
     }
     return $arrOldInput;
     // no need to update the options.
 }
 /**
  * A callback method triggered when the plugin is uninstalled.
  * @remark            currently not used yet.
  */
 public static function _replyToDoWhenPluginUninstalled()
 {
     AmazonAutoLinks_WPUtilities::cleanTransients();
 }