What is Yii 2.0?

High performance is always a primary goal of Yii 1.x and Yii2.0.

What is Yii?

Yii is a high performance, component-based PHP framework for rapidly developing modern Web applications. The name Yii can be considered as the acronym for Yes It Is!. Yii 2 inherits the main spirit behind Yii for being a simple, fast and highly extensible PHP framework.

Best Of Yii

1. Yii is a generic Web programming framework
2. Yii can be used for developing all kinds of Web applications based on PHP
3. Yii is component-based architecture and sophisticated caching support
4. Yii is especially suitable for developing large-scale applications. such as portals, forums, content management systems (CMS), e-commerce projects, RESTful Web services, and so on
5. Yii implements the MVC (Model-View-Controller) design pattern
6. Strong core developer team
7. Forum support available in yii site

Yii2.0 Features

1. ActiveRecord Supporting Relational
2. Assets And Script Management
3. Cookie
4. Caching
5. CSRF Tokens for security
6. DAO
7. Error Handling
8. Extension Organization
9. Gii
10. i18n support
11. Multi-tier caching support
12. Namespaces, Traits features available
13. NoSQL databases
14. Pagination
15. Pure OOP-based framework
16. Query builders
17. RBAC
18. RESTful API
19. Validators
20. Security Helper
21. Session
22. Sessions storage in database
23. Themeing
24. URL Manager
25. Widgets available like Grid View, List View

Yii2.0 Requirements

Yii 2.0 requires PHP 5.4.0 or above