Yii is a high-performance PHP framework best for developing Web 2.0 applications.Yii comes with rich features: MVC, DAO/ActiveRecord, I18N/L10N, caching, authentication and role-based access control, scaffolding, testing, etc. It can reduce your development time significantly.Yii helps you develop clean and reusable code. It follows the MVC pattern, ensuring a clear separation of logic and presentation.Yii is a free, open-source Web application development framework written in PHP5 that promotes clean, DRY design and encourages rapid development. It works to streamline your application development and helps to ensure an extremely efficient, extensible, and maintainable end product.Yii has built-in authentication support. It also supports authorization via hierarchical role-based access control (RBAC).Yii supports message translation, date and time formatting, number formatting, and interface localization.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 features include: