What is yii2.0?

Yii is a high-performance component-based PHP framework for developing large-scale Web applications. Yii is written in strict OOP and has complete library references and comprehensive tutorials. From MVC, DAO/ActiveRecord, widgets, caching, hierarchical RBAC, web services, to theming, I18N and L10N, Yii provides almost everything needed for today's Web 2.0 application development. In fact, Yii is one of the most efficient PHP frameworks.

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.

And yii2.0 is version 2.0 of Yii framework. Because the Yii2.0 version framework is completely rewritten, there are quite a few differences between the 1.1 and 2.0 versions.

Recommended learning: Yii introductory tutorial

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