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Informations about the package identifier
ramsey/identifier
A PHP library for generating and working with identifiers
About
ramsey/identifier is a PHP library designed for generating, parsing, and working with a variety of unique identifiers. It provides an object-oriented interface for several industry-standard identifier formats—including UUIDs, ULIDs, and Snowflake IDs. This library emphasizes standards-compliance, interoperability, and developer ergonomics, making it easy to create and manipulate identifiers in modern PHP applications.
This project adheres to a code of conduct. By participating in this project and its community, you are expected to uphold this code.
Installation
Install this package as a dependency using Composer.
Usage
ramsey/identifier provides ways to generate industry-standard identifiers, such as UUIDs, ULIDs, and Snowflake IDs. You can do this using the provided factory classes:
With UuidFactory, you may create UUIDs of different versions:
You may also parse existing identifiers:
Each of these identifiers happen to contain the same timestamp, which we can retrieve:
This will print:
The UUID and ULID shown above have the same underlying byte values. Every version 7 UUID can also be expressed as a ULID, but not every ULID can be converted into a version 7 UUID. Similarly, Snowflake identifiers and ULIDs both encode a timestamp and randomness, but their formats are not directly interchangeable with UUIDs or each other.
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.
Copyright and License
ramsey/identifier is copyright © Ben Ramsey and Contributors and licensed for use under the terms of the GNU Lesser General Public License (LGPL-3.0-or-later) as published by the Free Software Foundation. Please see NOTICE for more information.
All versions of identifier with dependencies
brick/math Version ^0.13.0
identifier/identifier Version ^0.4.0
psr/clock Version ^1.0
psr/simple-cache Version ^3.0