BasketItem::clearBundleItemFields

private function clearBundleItemFields(array $fields)
{
	if (!empty($fields))
	{
		$settableFields = static::getAllFields();

		foreach ($fields as $name => $value)
		{
			if (!isset($settableFields[$name]))
			{
				unset($fields[$name]);
			}
		}
	}

	return $fields;
}