Method getAttributesById

public static function getAttributesById($productId, $return = 0)
{
    $db = Factory::getDBO();
    $query = 'SELECT a.id, a.title, a.alias, a.required, a.type' . ' FROM #__phocacart_attributes AS a' . ' WHERE a.product_id = ' . (int) $productId . ' ORDER BY a.ordering';
    $db->setQuery($query);
    if ($return == 0) {
        return $db->loadObjectList();
    } else {
        if ($return == 1) {
            return $db->loadAssocList();
        } else {
            $attributes = $db->loadAssocList();
            $attributesSubform = array();
            $i = 0;
            if (!empty($attributes)) {
                foreach ($attributes as $k => $v) {
                    $attributesSubform['attributes' . $i]['id'] = (int) $v['id'];
                    $attributesSubform['attributes' . $i]['title'] = (string) $v['title'];
                    $attributesSubform['attributes' . $i]['alias'] = (string) $v['alias'];
                    $attributesSubform['attributes' . $i]['required'] = (int) $v['required'];
                    $attributesSubform['attributes' . $i]['type'] = (int) $v['type'];
                    $i++;
                }
            }
            return $attributesSubform;
        }
    }
    return false;
}