High-performance component-based PHP framework for developing large-scale Web applications.
Yii is a generic Web programming framework that can be used for developing virtually all sorts of Web applications. Because it is light-weighted and equipped with sophisticated caching solutions, it is especially suitable for developing high-traffic applications, such as portals, forums, content management systems (CMS), e-commerce systems. Yii is an MVC framework.
Yii PHP Framework
One Review
Yii has a complete feature set that a typical framework needs. It is very easy to use and has excellent support from both community users and its main developers.