public static function addValue($objectId, $metaKey, $metaValue)
{
$objectMeta = ObjectMeta::getMeta($objectId, $metaKey);
if (!isset($objectMeta) || $objectMeta->meta_value != $metaValue) {
$objectMeta = new ObjectMeta();
$objectMeta->object_id = $objectId;
}
$objectMeta->meta_key = $metaKey;
$objectMeta->meta_value = $metaValue;
return $objectMeta->save();
}