static function classInGroup($contentclassID, $contentclassVersion, $groupID) { $rows = eZPersistentObject::fetchObjectList(eZContentClassClassGroup::definition(), null, array('group_id' => $groupID, "contentclass_id" => $contentclassID, "contentclass_version" => $contentclassVersion), null, null, false); return count($rows) > 0; }