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<?php
/**
* This file is part of the ramsey/uuid library
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
* @license http://opensource.org/licenses/MIT MIT
*/
declare(strict_types=1);
namespace Ramsey\Uuid\Guid;
use Ramsey\Uuid\Codec\CodecInterface;
use Ramsey\Uuid\Converter\NumberConverterInterface;
use Ramsey\Uuid\Converter\TimeConverterInterface;
use Ramsey\Uuid\Uuid;
/**
* Guid represents a UUID with "native" (little-endian) byte order
*
* From Wikipedia:
*
* > The first three fields are unsigned 32- and 16-bit integers and are subject
* > to swapping, while the last two fields consist of uninterpreted bytes, not
* > subject to swapping. This byte swapping applies even for versions 3, 4, and
* > 5, where the canonical fields do not correspond to the content of the UUID.
*
* The first three fields of a GUID are encoded in little-endian byte order,
* while the last three fields are in network (big-endian) byte order. This is
* according to the history of the Microsoft definition of a GUID.
*
* According to the .NET Guid.ToByteArray method documentation:
*
* > Note that the order of bytes in the returned byte array is different from
* > the string representation of a Guid value. The order of the beginning
* > four-byte group and the next two two-byte groups is reversed, whereas the
* > order of the last two-byte group and the closing six-byte group is the
* > same.
*
* @link https://en.wikipedia.org/wiki/Universally_unique_identifier#Variants UUID Variants on Wikipedia
* @link https://docs.microsoft.com/en-us/windows/win32/api/guiddef/ns-guiddef-guid Windows GUID structure
* @link https://docs.microsoft.com/en-us/dotnet/api/system.guid .NET Guid Struct
* @link https://docs.microsoft.com/en-us/dotnet/api/system.guid.tobytearray .NET Guid.ToByteArray Method
*
* @psalm-immutable
*/
final class Guid extends Uuid
{
public function __construct(
Fields $fields,
NumberConverterInterface $numberConverter,
CodecInterface $codec,
TimeConverterInterface $timeConverter
) {
parent::__construct($fields, $numberConverter, $codec, $timeConverter);
}
}
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