Yii is a high-performance programming framework for developing Web applications in PHP 5. It enables maximum reusability in Web programming and can significantly accelerate the development process. 
 
 
We are proud to announce that Yii 1.0.0 stable release is now available! 
 
 
Yes, it is! Finally an easy, efficient, and extensible Web application framework tailor-made for PHP developers arrives, and that is Yii! 
 
 
Yii is easy to learn. All you need to know are some object-oriented concepts and PHP. You do not need to learn a new template or configuration language. Yii provides a comprehensive guide and a powerful command line tool to get you started quickly. 
 
 
Yii is efficient to run. It embraces a 'convention over configuration' philosophy to eliminate your configuration headaches. Efficient in its use of resources, Yii is remarkably fast and has vastly outperformed other popular PHP frameworks during comparison tests. 
 
 
Yii is extensible at its core. It has been carefully designed to allow nearly every piece of its code to be extended and customized to meet most requirements. And extensible around the edges, Yii provides easy-to-follow steps and guidelines to help you create components and extensions that can be easily reused in your other projects and shared with other people. 
 
 
All of these ease-of-use, superior performance, and depth of extensibility do not come at the cost of sacrificing features. Yii is packed with features to help you meet the high demands placed on today's Web 2.0 applications. AJAX-enabled widgets, RESTful and SOAP Web service integration, enforcement of an MVC architecture, DAO/ActiveRecord database layer, sophisticated caching, hierarchical role-based access control (RBAC), theming, internationalization (I18N) and localization (L10N) are just the tip of the Yii iceberg. And, with a deep community of members contributing by writing Yii extensions, this feature list is growing daily. 
 
 
Don't just take our word for it. The real fun is revealed by using it yourself. Download Yii and following the instructions at http://www.yiiframework.com/doc/guide/quickstart.first-app to get your first application up and running. It won't be long after saying "Hello World", that you'll be shouting "Yes, it is!" as well. 
 
 
The Yii Developer Team 
 
http://www.yiiframework.com

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