What is it all about?
Yii is a Web application development framework. allows Web developers build complex applications. Includes test and debug tools, and clear comprehensive documentation.
-Model-View-Controller (MVC) design pattern. -Database Access Objects (DAO), Query Builder, Active Record, DB Migration. -AJAX-enabled widgets. -Authentication and authorization. -Yii is equipped with many security measures to help prevent your Web applications from attacks such as SQL injection, cross-site scripting (XSS), cross-site request forgery (CSRF), and cookie tampering. -Yii supports data caching, page caching, fragment caching and dynamic content.