DiscountBase::getBasketItemValueList

protected function getBasketItemValueList($code, array $fields)
{
	if (!isset($this->basketItemsData[$code]) || empty($fields))
		return null;

	$result = array();
	foreach ($fields as $fieldName)
	{
		$result[$fieldName] = (
			isset($this->basketItemsData[$code][$fieldName])
			? $this->basketItemsData[$code][$fieldName]
			: null
		);
	}
	unset($fieldName);
	return $result;
}