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Yii PHP Framework Version 2
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===========================
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Thank you for choosing Yii 2 - a modern PHP framework designed for professional Web development.
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Yii 2 is a complete rewrite of its previous version Yii 1.1 which is one of the most popular PHP frameworks.
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Yii 2 inherits the main spirit behind Yii for being simple, fast and highly extensible.
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Yii 2 requires PHP 5.4 and embraces best practices and protocols found in modern Web application development.
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**Yii 2 is not ready for production use yet.** We may make significant changes without prior notices.
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We expect to make the first stable release of Yii 2 in early 2014.
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If you mainly want to learn Yii with no real project development requirement, we highly recommend
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you start with Yii 2 as it will be our main focus for the next few years.
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If you have a real project with tight schedule, you should stick to [Yii 1.1](https://github.com/yiisoft/yii)
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which is the latest stable release of Yii.
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[](https://packagist.org/packages/yiisoft/yii2)
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[](https://packagist.org/packages/yiisoft/yii2)
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[](http://travis-ci.org/yiisoft/yii2)
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[](https://www.versioneye.com/php/yiisoft:yii2/dev-master)
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DIRECTORY STRUCTURE
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-------------------
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apps/ ready-to-use application templates
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advanced/ a template suitable for building sophisticated Web applications
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basic/ a template suitable for building simple Web applications
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benchmark/ an application demonstrating the performance of Yii
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build/ internally used build tools
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docs/ documentation
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extensions/ extensions
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framework/ core framework code
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tests/ tests of the core framework code
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REQUIREMENTS
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------------
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The minimum requirement by Yii is that your Web server supports PHP 5.4.
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DOCUMENTATION
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-------------
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A draft of the [Definitive Guide](docs/guide/index.md) is available.
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For 1.1 users, you may refer to [Upgrading from Yii 1.1](docs/guide/upgrade-from-v1.md)
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to have a general idea of what has changed in 2.0.
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HOW TO PARTICIPATE
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------------------
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**Your participation to Yii 2 development is very welcome!**
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You may participate in the following ways:
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* [Report issues](https://github.com/yiisoft/yii2/issues)
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* [Give us feedback or start a design discussion](http://www.yiiframework.com/forum/index.php/forum/42-design-discussions-for-yii-20/)
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* Fix issues, develop features, write/polish documentation
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- Before you start, please adopt an existing issue (labelled with "ready for adoption") or start a new one to avoid duplicated efforts.
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- Please submit a merge request after you finish development.
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