Why does Yii2 have high performance?
Yii2 has high performance because Yii2 extensively uses "lazy loading" technology, which means that it only loads the functions that users only need. It also has strong caching support, and the clear design of the framework can work with AJAX. It works efficiently, so Yii2 has high performance.
Yii Advantages
Yii is easy to learn and use. You only need to know PHP and object-oriented programming, and you can get started quickly without having to learn a new architecture or template language in advance.
Development with Yii is very fast, and apart from the framework itself, very little coding needs to be written for the application. In fact it is one of the most efficient development frameworks.
Yii is highly reusable and extensible and is purely object-oriented. Everything in Yii is an independently configurable, reusable, and extensible component. What's more important is that Yii has more and more extension libraries. Composed primarily of user-contributed components, this may help significantly reduce your development time.
Yii is rich in features. From MVC, DAO/ActiveRecord, to theming, internationalization and localization, Yii provides almost all the features needed for today's Web 2.0 application development.
The Yii Reference Manual is a complete documentation of Yii, with any information you need to learn and master it.
Yii was carefully designed from the beginning to accommodate complex WEB application development. It is not a by-product of some project or a third-party integration. Rather, it is the culmination of the author's rich web application development experience and excellent ideas from other popular web frameworks and applications.
Last, but not least, Yii is free and Yii follows the latest BSD license. It ensures that its third-party development also follows a BSD-compatible license. This means that you are free to use Yii to develop any open source or proprietary application, both legally and financially.
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