/**
* Add a version to the store.
*/
public static function add($obj)
{
$v = new Versions(array('class' => get_class($obj), 'pkey' => $obj->{$obj->key}, 'user' => !User::$user ? 0 : User::val('id'), 'ts' => gmdate('Y-m-d H:i:s'), 'serialized' => json_encode($obj->data)));
$v->put();
return $v;
}
