/** * * gets the last update, either of the vocabulary or the history * * @return integer */ public static function getLastUpdateDate($id) { $vocab = self::retrieveByPK($id); if ($vocab) { $lastVocabUpdate = $vocab->getLastUpdated(null); } $lastHistoryUpdate = ConceptPropertyHistoryPeer::getLastUpdateForVocab($id, null); $result = max(array($lastHistoryUpdate, $lastVocabUpdate)); return $result; }