Yii 2: The Fast, Secure and Professional PHP Framework

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README.md

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<a href="https://www.yiiframework.com/" target="_blank">
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Yii 2 is a modern framework designed to be a solid foundation for your PHP application.

It is fast, secure and efficient and works right out of the box pre-configured with reasonable defaults.
The framework is easy to adjust to meet your needs, because Yii has been designed to be flexible.

![Latest Stable Version](https://packagist.org/packages/yiisoft/yii2)
![Total Downloads](https://packagist.org/packages/yiisoft/yii2)
![Build Status](https://github.com/yiisoft/yii2/actions/workflows/build.yml)
![Static Analysis](https://github.com/yiisoft/yii2/actions/workflows/static.yml)
![codecov](https://codecov.io/gh/yiisoft/yii2)

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

IMPORTANT

- The minimum required PHP version of Yii is PHP 7.4.


- It works best with PHP 8.

- Follow the Definitive Guide
in order to get step by step instructions.

Documentation
-------------

- A Definitive Guide and
a Class Reference cover every detail
of the framework.
- There is a PDF version of the Definitive Guide
and a Definitive Guide Mirror which is updated every 15 minutes.
- For Yii 1.1 users, there is Upgrading from Yii 1.1
to get an idea of what has changed in 2.0.

Versions & PHP compatibility
----------------------------

NOTE

See "Release Cycle" at the website for detailed information about supported versions.

Community
---------

- Participate in discussions at forums.
- Community Slack and Chat in IRC.
- Follow us on Facebook, Twitter
and GitHub.
- Check other communities.

Contributing
------------

The framework is Open Source powered by an excellent community.

You may join us and:

- Report an issue
- Translate documentation or messages
- Give us feedback or start a design discussion
- Contribute to the core code or fix bugs
- Become a sponsor

Reporting Security issues

WARNING

Please do not report security vulnerabilities through public GitHub issues.

Please refer to a special page at the website
describing proper workflow for security issue reports.

Directory Structure

text
build/               internally used build tools
docs/ documentation
framework/ core framework code
tests/ tests of the core framework code

Spreading the Word

Acknowledging or citing Yii 2 is as important as direct contributions.

In presentations

If you are giving a presentation or talk featuring work that makes use of Yii 2 and would like to acknowledge it,
we suggest using our logo on your title slide.

In projects

If you are using Yii 2 as part of an OpenSource project, a way to acknowledge it is to
use a special badge in your README:

![Yii2](https://www.yiiframework.com/)

If your code is hosted at GitHub, you can place the following in your README.md file to get the badge:

text
![Yii2](https://www.yiiframework.com/)

Sponsoring

Support this project by becoming a sponsor or a backer.

![Open Collective sponsors](https://opencollective.com/yiisoft)
![Open Collective backers](https://opencollective.com/yiisoft)