/**
* Get product quantity
*
* @param int $id_product
* @param int|null $id_product_attribute
* @param bool|null $cache_is_pack
*
* @return int stock
*/
public function getQuantity($id_product, $id_product_attribute = null, $cache_is_pack = null)
{
return \ProductCore::getQuantity($id_product, $id_product_attribute, $cache_is_pack);
}
