public function editCached(SiteModel $site)
 {
     global $DB;
     $stat = $DB->prepare("UPDATE site_information SET cached_is_multiple_timezones=:cached_is_multiple_timezones, " . " cached_is_multiple_countries = :cached_is_multiple_countries, " . " cached_timezones= :cached_timezones" . " WHERE id=:id");
     $stat->execute(array('cached_is_multiple_timezones' => $site->getCachedIsMultipleTimezones() ? 1 : 0, 'cached_is_multiple_countries' => $site->getCachedIsMultipleCountries() ? 1 : 0, 'cached_timezones' => $site->getCachedTimezones(), 'id' => $site->getId()));
 }