OrderBasket::getOffersIds

protected function getOffersIds($productId, array $products)
{
	$result = array();

	foreach($products as $product)
	{
		if($product['PRODUCT_ID'] == $productId && intval($product['OFFER_ID']) > 0)
		{
			$result[] = $product['OFFER_ID'];
		}
	}

	return $result;
}