PHP Framework Interoperability Group
A collection of PHP standards (PSRs) proposed and approved by the PHP Framework Interoperability Group.
What is PHP Framework Interoperability Group?
PHP-FIG/fig-standards is the official repository for PHP Standard Recommendations (PSRs), which are interoperability standards created by the PHP Framework Interoperability Group. It provides specifications for common interfaces and practices, such as PSR-3 for logging or PSR-7 for HTTP messages, to help PHP frameworks and libraries work together more seamlessly. The project serves as a central hub for proposing, discussing, and maintaining these standards.
PHP framework and library maintainers, developers working on interoperable PHP components, and teams adopting standardized practices across multiple projects.
Developers choose these standards to ensure compatibility between different PHP projects, reduce vendor lock-in, and follow community-approved best practices. The collaborative, transparent process led by project representatives ensures the standards are practical and widely supported.
Overview
Standards either proposed or approved by the Framework Interop Group
Use Cases
Best For
- Implementing standardized logging interfaces across PHP applications
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