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Name	Size	Permission	Date
Command	[ DIR ]	drwxrwxrwx	2025-03-23 13:35
Factory	[ DIR ]	drwxrwxrwx	2025-03-23 13:35
AbstractUid.php	5.09 KB	-rw-rw-rw-	2024-09-25 04:21
BinaryUtil.php	6.37 KB	-rw-rw-rw-	2024-09-25 04:21
CHANGELOG.md	1.27 KB	-rw-rw-rw-	2024-09-25 04:21
HashableInterface.php	636 B	-rw-rw-rw-	2024-09-25 04:21
LICENSE	1.04 KB	-rw-rw-rw-	2024-09-25 04:21
MaxUlid.php	383 B	-rw-rw-rw-	2024-09-25 04:21
MaxUuid.php	415 B	-rw-rw-rw-	2024-09-25 04:21
NilUlid.php	383 B	-rw-rw-rw-	2024-09-25 04:21
NilUuid.php	472 B	-rw-rw-rw-	2024-09-25 04:21
README.md	604 B	-rw-rw-rw-	2024-09-25 04:21
TimeBasedUidInterface.php	519 B	-rw-rw-rw-	2024-09-25 04:21
Ulid.php	6.88 KB	-rw-rw-rw-	2024-09-25 04:21
Uuid.php	7.36 KB	-rw-rw-rw-	2024-09-25 04:21
UuidV1.php	2.36 KB	-rw-rw-rw-	2024-09-25 04:21
UuidV3.php	592 B	-rw-rw-rw-	2024-09-25 04:21
UuidV4.php	1.33 KB	-rw-rw-rw-	2024-09-25 04:21
UuidV5.php	592 B	-rw-rw-rw-	2024-09-25 04:21
UuidV6.php	3.01 KB	-rw-rw-rw-	2024-09-25 04:21
UuidV7.php	5 KB	-rw-rw-rw-	2024-09-25 04:21
UuidV8.php	573 B	-rw-rw-rw-	2024-09-25 04:21
composer.json	917 B	-rw-rw-rw-	2024-09-25 04:21

Rename

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Uid;

/**
 * A v1 UUID contains a 60-bit timestamp and 62 extra unique bits.
 *
 * @author Grégoire Pineau <lyrixx@lyrixx.info>
 */
class UuidV1 extends Uuid implements TimeBasedUidInterface
{
    protected const TYPE = 1;

private static string $clockSeq;

public function __construct(?string $uuid = null)
    {
        if (null === $uuid) {
            $this->uid = strtolower(uuid_create(static::TYPE));
        } else {
            parent::__construct($uuid, true);
        }
    }

public function getDateTime(): \DateTimeImmutable
    {
        return BinaryUtil::hexToDateTime('0'.substr($this->uid, 15, 3).substr($this->uid, 9, 4).substr($this->uid, 0, 8));
    }

public function getNode(): string
    {
        return substr($this->uid, -12);
    }

public function toV6(): UuidV6
    {
        $uuid = $this->uid;

return new UuidV6(substr($uuid, 15, 3).substr($uuid, 9, 4).$uuid[0].'-'.substr($uuid, 1, 4).'-6'.substr($uuid, 5, 3).substr($uuid, 18, 6).substr($uuid, 24));
    }

public function toV7(): UuidV7
    {
        return $this->toV6()->toV7();
    }

public static function generate(?\DateTimeInterface $time = null, ?Uuid $node = null): string
    {
        $uuid = !$time || !$node ? uuid_create(static::TYPE) : parent::NIL;

if ($time) {
            if ($node) {
                // use clock_seq from the node
                $seq = substr($node->uid, 19, 4);
            } elseif (!$seq = self::$clockSeq ?? '') {
                // generate a static random clock_seq to prevent any collisions with the real one
                $seq = substr($uuid, 19, 4);

do {
                    self::$clockSeq = \sprintf('%04x', random_int(0, 0x3FFF) | 0x8000);
                } while ($seq === self::$clockSeq);

$seq = self::$clockSeq;
            }

$time = BinaryUtil::dateTimeToHex($time);
            $uuid = substr($time, 8).'-'.substr($time, 4, 4).'-1'.substr($time, 1, 3).'-'.$seq.substr($uuid, 23);
        }

if ($node) {
            $uuid = substr($uuid, 0, 24).substr($node->uid, 24);
        }

return $uuid;
    }
}