erLhcoreClassModelUser::setUserGroups PHP Method

    public function setUserGroups()
    {
        erLhcoreClassModelGroupUser::removeUserFromGroups($this->id);
        foreach ($this->user_groups_id as $group_id) {
            $groupUser = new erLhcoreClassModelGroupUser();
            $groupUser->group_id = $group_id;
            $groupUser->user_id = $this->id;
            $groupUser->saveThis();
        }
    }