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ghostwriter/uuid
================

Version 7 UUIDs using a Unix timestamp for PHP

1.0.3(1y ago)01.8M—8.6%6BSD-3-ClausePHPPHP ^8.4CI passing

Since Jul 21Pushed 1mo ago1 watchersCompare

[ Source](https://github.com/ghostwriter/uuid)[ Packagist](https://packagist.org/packages/ghostwriter/uuid)[ Docs](https://github.com/ghostwriter/uuid)[ GitHub Sponsors](https://github.com/sponsors/ghostwriter)[ RSS](/packages/ghostwriter-uuid/feed)WikiDiscussions 1.0.x Synced 1mo ago

READMEChangelog (4)Dependencies (1)Versions (14)Used By (6)

Uuid
====

[](#uuid)

[![GitHub Sponsors](https://camo.githubusercontent.com/4ca6326390802bf05f88b1bbccc76897646af7b6f92b8ca6610f90412bf6ad67/68747470733a2f2f696d672e736869656c64732e696f2f6769746875622f73706f6e736f72732f67686f73747772697465723f6c6162656c3d53706f6e736f722b4067686f73747772697465722f75756964266c6f676f3d4769744875622b53706f6e736f7273)](https://github.com/sponsors/ghostwriter)[![Automation](https://github.com/ghostwriter/uuid/actions/workflows/automation.yml/badge.svg)](https://github.com/ghostwriter/uuid/actions/workflows/automation.yml)[![Supported PHP Version](https://camo.githubusercontent.com/272471cd17ff6d4d91c1407e9c4fb2557d008d013f2bd1c61209d4bce31bdfe9/68747470733a2f2f62616467656e2e6e65742f7061636b61676973742f7068702f67686f73747772697465722f757569643f636f6c6f723d383839326266)](https://www.php.net/supported-versions)[![Downloads](https://camo.githubusercontent.com/7fbb22a64b3329a0e0351b7ed42094aa1b23c00cbb76416077e1b8070ae5e758/68747470733a2f2f62616467656e2e6e65742f7061636b61676973742f64742f67686f73747772697465722f757569643f636f6c6f723d626c7565)](https://packagist.org/packages/ghostwriter/uuid)

Version 7 UUIDs using a Unix timestamp for PHP

Installation
------------

[](#installation)

You can install the package via composer:

```
composer require ghostwriter/uuid
```

### Star ⭐️ this repo if you find it useful

[](#star-️-this-repo-if-you-find-it-useful)

You can also star (🌟) this repo to find it easier later.

Usage
-----

[](#usage)

Initialize a new Uuid instance with a given UUID string

```
use Ghostwriter\Uuid\Uuid;

$uuid = new Uuid('0000669c-8deb-7fe7-b9cc-692b216999a3');
// or
$uuid = Uuid::fromString('0000669c-8deb-7fe7-b9cc-692b216999a3');

echo $uuid->toString(); // 0000669c-8deb-7fe7-b9cc-692b216999a3
```

Generate a new UUID

```
echo Uuid::new()->toString(); // 0000669c-8f99-711e-9ed0-72a35c3b6fb3
```

Generate a new UUID with a specific timestamp

```
echo Uuid::new(new DateTimeImmutable())->toString(); // 0000669c-8faf-7e4b-9ed9-45c4c2b27f07
```

Compare and Sort UUIDs based on their timestamp ( `0: equal`, `1: older`, `-1: newer`)

```
$uuidLastYear = Uuid::new(new DateTimeImmutable('-1 year'));
$uuidLastMonth = Uuid::new(new DateTimeImmutable('-1 month'));
$uuidLastWeek = Uuid::new(new DateTimeImmutable('-1 week'));

// LastYear comparisons
// 0: LastYear is the same as LastYear
assert(0 === $uuidLastYear->compare($uuidLastYear));
// -1: LastMonth is newer than LastYear
assert(-1 === $uuidLastYear->compare($uuidLastMonth));
// -1: LastWeek is newer than LastYear
assert(-1 === $uuidLastYear->compare($uuidLastWeek));

// LastMonth comparisons
// 1: LastYear is older than LastMonth
assert(1 === $uuidLastMonth->compare($uuidLastYear));
// 0: LastMonth is the same as LastMonth
assert(0 === $uuidLastMonth->compare($uuidLastMonth));
// -1: LastWeek is newer than LastMonth
assert(-1 === $uuidLastMonth->compare($uuidLastWeek));

// LastWeek comparisons
// 1: LastYear is older than LastWeek
assert(1 === $uuidLastWeek->compare($uuidLastYear));
// 1: LastMonth is older than LastWeek
assert(1 === $uuidLastWeek->compare($uuidLastMonth));
// 0: LastWeek is the same as LastWeek
assert(0 === $uuidLastWeek->compare($uuidLastWeek));

/** @var array{0:UuidInterface,1:UuidInterface,2:UuidInterface,3:UuidInterface} $uuids */
$uuids = [$uuidLastWeek, $uuidLastYear, $uuidLastMonth];

usort($uuids, static fn (UuidInterface $left, UuidInterface $right): int => $left->compare($right));

// First: LastYear (oldest)
assert($uuidLastYear === $uuids[0]);
// Second: LastMonth
assert($uuidLastMonth === $uuids[1]);
// Third: LastWeek
assert($uuidLastWeek === $uuids[2]);
```

### Credits

[](#credits)

- [Nathanael Esayeas](https://github.com/ghostwriter)
- [All Contributors](https://github.com/ghostwriter/uuid/contributors)

### Changelog

[](#changelog)

Please see [CHANGELOG.md](./CHANGELOG.md) for more information on what has changed recently.

### License

[](#license)

Please see [LICENSE](./LICENSE) for more information on the license that applies to this project.

### Security

[](#security)

Please see [SECURITY.md](./SECURITY.md) for more information on security disclosure process.

###  Health Score

51

—

FairBetter than 96% of packages

Maintenance70

Regular maintenance activity

Popularity41

Moderate usage in the ecosystem

Community14

Small or concentrated contributor base

Maturity65

Established project with proven stability

 Bus Factor1

Top contributor holds 100% of commits — single point of failure

How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window.

**Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores.

**Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement.

**Maturity (30%)** — Project age, version count, PHP version support, and release stability.

###  Release Activity

Cadence

Every ~102 days

Recently: every ~143 days

Total

7

Last Release

54d ago

Major Versions

1.1.x-dev → 2.0.x-dev2024-08-31

PHP version history (3 changes)1.0.0PHP >=8.3

1.0.3PHP ^8.4

1.0.x-devPHP ~8.4.0 || ~8.5.0

### Community

Maintainers

![](https://www.gravatar.com/avatar/1dbb0131801cc451dad9917ab29aa823b25d7eebc9f3875a9d481d109bdb44ee?d=identicon)[ghostwriter](/maintainers/ghostwriter)

---

Top Contributors

[![ghostwriter](https://avatars.githubusercontent.com/u/9754361?v=4)](https://github.com/ghostwriter "ghostwriter (860 commits)")

---

Tags

ghostwriteruuiduuid-7uuidghostwriter

### Embed Badge

![Health badge](/badges/ghostwriter-uuid/health.svg)

```
[![Health](https://phpackages.com/badges/ghostwriter-uuid/health.svg)](https://phpackages.com/packages/ghostwriter-uuid)
```

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