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Factory	--	ren
.htaccess	0.27KB	edt ren
AbstractUid.php	4.252KB	edt ren
BinaryUtil.php	5.895KB	edt ren
CHANGELOG.md	0.8KB	edt ren
LICENSE	1.04KB	edt ren
MaxUlid.php	0.374KB	edt ren
MaxUuid.php	0.405KB	edt ren
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NilUuid.php	0.461KB	edt ren
README.md	0.473KB	edt ren
TimeBasedUidInterface.php	0.507KB	edt ren
Ulid.php	6.423KB	edt ren
Uuid.php	5.042KB	edt ren
UuidV1.php	1.988KB	edt ren
UuidV3.php	0.578KB	edt ren
UuidV4.php	0.909KB	edt ren
UuidV5.php	0.578KB	edt ren
UuidV6.php	1.988KB	edt ren
UuidV7.php	4.168KB	edt ren
UuidV8.php	0.56KB	edt ren
composer.json	0.897KB	edt ren

<?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
{
    protected const TYPE = 1;

private static ?string $clockSeq = null;

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

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);
            } else {
                // generate a static random clock_seq to prevent any collisions with the real one
                $seq = substr($uuid, 19, 4);

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

$seq = self::$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;
    }
}

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