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* Updated php.net link for some MemCache properties [skip ci] * Changed protocol to https for links to php.net in comments * Changed protocol to https for links to php.net in code * Changed www.php.net (http) to secure.php.net (https) in comments * Changed www.php.net (http) to secure.php.net (https) in code * Changed protocol to https for links to php.net in UPGRADE.md * Changed protocol to https for links to pecl.php.net in comments * Changed us.php.net to secure.php.net (https) in comments * Changed protocol to https for links to php.net in docs * Changed www.php.net (http) to secure.php.net (https) in docs * Changed protocol to https for links to pecl.php.net in docs * Changed ru/jp.php.net to secure.php.net (https) in docs Don't sure about russian guide: is this links meant to be for guide on russian, or not?
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.
Installation
- The minimum required PHP version of Yii is PHP 5.4.
- It works best with PHP 7.
- 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.
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
Reporting Security issues
Please refer to a special page at the website 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 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:
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/)