This version contains more than 90 new features, enhancements and bug fixes, the most important of which are: RESTful URL support, query caching, class-based Actions parameter binding, seamless client validation, passing parameters to relational naming scope , using through in HAS_MANY and HAS_ONE, transaction processing of database migration, and support for registering and using custom script packages, etc.
Yii is a high-performance PHP5 web application development framework. A simple command line tool yiic can quickly create a web application code framework. Developers can add business logic based on the generated code framework to quickly complete application development.
Download address: http://www.yiiframework.com/download/