, (*1)
Poo is Yii 2 fork and enhanced only for PHP 8., (*2)
Yii 2 is a modern framework designed to be a solid foundation for your PHP application., (*3)
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., (*4)
, (*5)
Installation
- The minimum required PHP version of Yii is PHP 7.3.
- It works best with PHP 8.
-
Follow the Definitive Guide
in order to get step by step instructions.
Documentation
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, Yii 2.2 has not yet been released.
³ PHP 8.3 EOL date.
⁴ Expected PHP 8.4 EOL date., (*6)
Contributing
The framework is Open Source powered by an excellent community., (*7)
You may join us and:, (*8)
Reporting Security issues
Please refer to a special page at the website
describing proper workflow for security issue reports., (*9)
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., (*10)
In presentations, (*11)
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., (*12)
In projects, (*13)
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:, (*14)
, (*15)
If your code is hosted at GitHub, you can place the following in your README.md file to get the badge:, (*16)
[](https://www.yiiframework.com/)
Support this project by becoming a sponsor or a backer., (*17)
, (*18)
Wallogit.com
