ramsey/uuid

❄️ A PHP library for generating universally unique identifiers (UUIDs).

PHP

12,630

1,286 commits

updated Sep 17, 2026

See the code

README

ramsey/uuid

A PHP library for generating and working with UUIDs.

Source Code Download Package PHP Programming Language Read License Build Status Codecov Code Coverage

ramsey/uuid is a PHP library for generating and working with universally unique identifiers (UUIDs).

This project adheres to a code of conduct. By participating in this project and its community, you are expected to uphold this code.

Much inspiration for this library came from the Java and Python UUID libraries.

Installation

The preferred method of installation is via Composer. Run the following command to install the package and add it as a requirement to your project's composer.json:

composer require ramsey/uuid

Upgrading to Version 4

See the documentation for a thorough upgrade guide:

Documentation

Please see https://uuid.ramsey.dev for documentation, tips, examples, and frequently asked questions.

Contributing

Contributions are welcome! To contribute, please familiarize yourself with CONTRIBUTING.md.

Coordinated Disclosure

Keeping user information safe and secure is a top priority, and we welcome the contribution of external security researchers. If you believe you've found a security issue in software that is maintained in this repository, please read SECURITY.md for instructions on submitting a vulnerability report.

ramsey/uuid for Enterprise

Available as part of the Tidelift Subscription.

The maintainers of ramsey/uuid and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source packages you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact packages you use. Learn more.

The ramsey/uuid library is copyright © Ben Ramsey and licensed for use under the MIT License (MIT). Please see LICENSE for more information.

guid
identifiers
php
php8
uid
uuid

ramsey/uuid

❄️ A PHP library for generating universally unique identifiers (UUIDs).

PHP

12,630

1,286 commits

updated Sep 17, 2026

See the code

README

ramsey/uuid

A PHP library for generating and working with UUIDs.

Source Code Download Package PHP Programming Language Read License Build Status Codecov Code Coverage

ramsey/uuid is a PHP library for generating and working with universally unique identifiers (UUIDs).

This project adheres to a code of conduct. By participating in this project and its community, you are expected to uphold this code.

Much inspiration for this library came from the Java and Python UUID libraries.

Installation

The preferred method of installation is via Composer. Run the following command to install the package and add it as a requirement to your project's composer.json:

composer require ramsey/uuid

Upgrading to Version 4

See the documentation for a thorough upgrade guide:

Documentation

Please see https://uuid.ramsey.dev for documentation, tips, examples, and frequently asked questions.

Contributing

Contributions are welcome! To contribute, please familiarize yourself with CONTRIBUTING.md.

Coordinated Disclosure

Keeping user information safe and secure is a top priority, and we welcome the contribution of external security researchers. If you believe you've found a security issue in software that is maintained in this repository, please read SECURITY.md for instructions on submitting a vulnerability report.

ramsey/uuid for Enterprise

Available as part of the Tidelift Subscription.

The maintainers of ramsey/uuid and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source packages you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact packages you use. Learn more.

The ramsey/uuid library is copyright © Ben Ramsey and licensed for use under the MIT License (MIT). Please see LICENSE for more information.

guid
identifiers
php
php8
uid
uuid

Project health

Overall

3.5/10

Maintained

3/10

Code review

3/10
OpenSSF Scorecard

Significant stargazers

(top 24 of 58)

Christian Flothmann

550 followers · starred Jun 2016

Taylor Otwell

36,029 followers · starred Jan 2016

Oskar Stark

327 followers · starred Jan 2019

Kevin Burke

696 followers · starred Nov 2016