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https://github.com/yiisoft/yii2
Yii 2: The Fast, Secure and Professional PHP Framework
https://github.com/yiisoft/yii2
framework hacktoberfest php php-framework yii yii2
Last synced: 4 days ago
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Yii 2: The Fast, Secure and Professional PHP Framework
- Host: GitHub
- URL: https://github.com/yiisoft/yii2
- Owner: yiisoft
- License: bsd-3-clause
- Created: 2012-02-13T15:32:36.000Z (almost 13 years ago)
- Default Branch: master
- Last Pushed: 2024-10-27T10:37:09.000Z (about 2 months ago)
- Last Synced: 2024-10-29T21:10:17.042Z (about 1 month ago)
- Topics: framework, hacktoberfest, php, php-framework, yii, yii2
- Language: PHP
- Homepage: http://www.yiiframework.com
- Size: 77.2 MB
- Stars: 14,240
- Watchers: 1,064
- Forks: 6,910
- Open Issues: 522
-
Metadata Files:
- Readme: README.md
- Contributing: .github/CONTRIBUTING.md
- Funding: .github/FUNDING.yml
- License: LICENSE.md
- Code of conduct: code-of-conduct.md
- Security: .github/SECURITY.md
- Roadmap: ROADMAP.md
Awesome Lists containing this project
- awesome-yii2 - Yii 2.0 framework - Yii 2.0 framework. (General)
- php-awesome - Yii 2
- StarryDivineSky - yiisoft/yii2
README
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.
[](https://packagist.org/packages/yiisoft/yii2)
[](https://packagist.org/packages/yiisoft/yii2)
[](https://github.com/yiisoft/yii2/actions)
[](https://codecov.io/gh/yiisoft/yii2)
[](https://scrutinizer-ci.com/g/yiisoft/yii2/)
Installation
------------
- The minimum required PHP version of Yii is PHP 7.3.
- It works best with PHP 8.
- [Follow the Definitive Guide](https://www.yiiframework.com/doc-2.0/guide-start-installation.html)
in order to get step by step instructions.
Documentation
-------------
- A [Definitive Guide](https://www.yiiframework.com/doc/guide/2.0) and
a [Class Reference](https://www.yiiframework.com/doc/api/2.0) cover every detail
of the framework.
- There is a [PDF version](https://www.yiiframework.com/doc/download/yii-guide-2.0-en.pdf) of the Definitive Guide
and a [Definitive Guide Mirror](http://stuff.cebe.cc/yii2docs/) which is updated every 15 minutes.
- For Yii 1.1 users, there is [Upgrading from Yii 1.1](https://www.yiiframework.com/doc/guide/2.0/en/intro-upgrade-from-v1)
to get an idea of what has changed in 2.0.
Versions & PHP compatibility
----------------------------
| Yii2 Version | PHP version | Development status | EOL ¹ |
|--------------|----------------|-----------------------------------|----------------------------------------------------------------|
| <= 2.0.49.* | >= 5.4, <= 8.3 | security fixes only | 23 Nov 2026 ³ |
| >= 2.0.50 | >= 7.3, <= 8.4 | bug fixes and security fixes only | bugfixes till 23 Nov 2026 ³, security fixes till 21 Nov 2027 ⁴ |
| >= 2.2.0 ² | >= 8.1 | active development | |
¹ All mentioned dates may be subject to change and no rights can be derived from them.
² Note: Yii 2.1 was [skipped](https://github.com/yiisoft/yii2/discussions/19831#discussioncomment-5858046), [Yii 2.2](https://github.com/yiisoft/yii2/tree/2.2) has not yet been released.
³ [PHP 8.3 EOL date](https://www.php.net/supported-versions.php).
⁴ [Expected PHP 8.4 EOL date](https://wiki.php.net/todo/php84).
Community
---------
- Participate in [discussions at forums](https://www.yiiframework.com/forum/).
- [Community Slack](https://join.slack.com/t/yii/shared_invite/MjIxMjMxMTk5MTU1LTE1MDE3MDAwMzMtM2VkMTMyMjY1Ng) and [Chat in IRC](https://www.yiiframework.com/chat/).
- Follow us on [Facebook](https://www.facebook.com/groups/yiitalk/), [Twitter](https://twitter.com/yiiframework)
and [GitHub](https://github.com/yiisoft/yii2).
- Check [other communities](https://github.com/yiisoft/yii2/wiki/communities).
Contributing
------------
The framework is [Open Source](LICENSE.md) powered by [an excellent community](https://github.com/yiisoft/yii2/graphs/contributors).
You may join us and:
- [Report an issue](docs/internals/report-an-issue.md)
- [Translate documentation or messages](docs/internals/translation-workflow.md)
- [Give us feedback or start a design discussion](https://www.yiiframework.com/forum/index.php/forum/42-general-discussions-for-yii-20/)
- [Contribute to the core code or fix bugs](docs/internals/git-workflow.md)
- [Become a sponsor](#sponsoring)
### Reporting Security issues
Please refer to a [special page at the website](https://www.yiiframework.com/security/)
describing proper workflow for security issue reports.
### Directory Structure
```
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](https://www.yiiframework.com/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](https://img.shields.io/badge/Powered_by-Yii_Framework-green.svg?style=flat) in your README:
If your code is hosted at GitHub, you can place the following in your README.md file to get the badge:
```
[](https://www.yiiframework.com/)
```
### Sponsoring
Support this project by becoming a sponsor or a backer.
[](https://opencollective.com/yiisoft) [](https://opencollective.com/yiisoft)