if ($variables->get('order_id'))
{
$row = $this->db->execute($this->db->prepare("SELECT `language_id` FROM `{$this->db->table('order')}` WHERE `order_id` = %s", array(
$variables->get('order_id')
)))->getRow();
if ($row)
{
$variables->set('language_id', $row->language_id, '', true);
}
}