public static function getInSales($id_product)
    {
        $result = Db::getInstance()->ExecuteS('SELECT `sale_nbr` FROM '._DB_PREFIX_.'product_sale LIMIT 10');
        if (!$result)
            return false;

        $min = min($result);
        if (self::getNbrSales($id_product) >= $min['sale_nbr'])
            return true;
    }
    

{if ProductSale::getInSales($product->id)}
данный товар находится в лидерах продаж
{/if}