function validateMetadata($label, &$md) { $valid = false; $mdFactory = new Docman_MetadataFactory($this->groupId); if ($mdFactory->isValidLabel($label)) { $_md =& $mdFactory->getFromLabel($label); if ($_md !== null && $_md->getGroupId() == $this->groupId) { $valid = true; $md = $_md; } } return $valid; }