Subversion-Projekte lars-tiefland.laravel_shop

Revision

Details | Letzte Änderung | Log anzeigen | RSS feed

Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
2 
 
3 
/*
4 
 * This file is part of the Symfony package.
5 
 *
6 
 * (c) Fabien Potencier <fabien@symfony.com>
7 
 *
8 
 * For the full copyright and license information, please view the LICENSE
9 
 * file that was distributed with this source code.
10 
 */
11 
 
12 
namespace Symfony\Component\Uid;
13 
 
14 
/**
15 
 * A v4 UUID contains a 122-bit random number.
16 
 *
17 
 * @author Grégoire Pineau <lyrixx@lyrixx.info>
18 
 */
19 
class UuidV4 extends Uuid
20 
{
21 
    protected const TYPE = 4;
22 
 
23 
    public function __construct(string $uuid = null)
24 
    {
25 
        if (null === $uuid) {
26 
            $uuid = random_bytes(16);
27 
            $uuid[6] = $uuid[6] & "\x0F" | "\x40";
28 
            $uuid[8] = $uuid[8] & "\x3F" | "\x80";
29 
            $uuid = bin2hex($uuid);
30 
 
31 
            $this->uid = substr($uuid, 0, 8).'-'.substr($uuid, 8, 4).'-'.substr($uuid, 12, 4).'-'.substr($uuid, 16, 4).'-'.substr($uuid, 20, 12);
32 
        } else {
33 
            parent::__construct($uuid, true);
34 
        }
35 
    }
36 
}