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Informations about the package uuid


A PHP library for generating and working with UUIDs.

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

This project adheres to a Contributor 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.


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:

Upgrading to Version 4

See the documentation for a thorough upgrade guide:


Please see for documentation, tips, examples, and frequently asked questions.


Contributions are welcome! Please read for details.

Copyright and License

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

Requires php Version ^7.2 || ^8
ext-json Version *
brick/math Version ^0.8 || ^0.9
ramsey/collection Version ^1.0
symfony/polyfill-ctype Version ^1.8

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