Is yii open source?

yii is open source. Yii is an open source, object-oriented, component-based MVC PHP web application framework; it can be used to develop various web applications built with PHP.

Yii is an open source, object-oriented, component-based MVC PHP web application framework. Yii is pronounced "Yee" or [ji:], which means "simplicity and evolution" in Chinese, and it can be an acronym for "Yes It Is!"

Yii is released under the New BSD License (3-Clause License). This means it can be used for free to develop open source or proprietary web applications.

Yii comes with rich features, including MVC, DAO/ActiveRecord, I18N/L10N, caching, authentication and role-based access control, scaffolding, testing, etc., which can significantly shorten development time.

Yii is a general web programming framework that can be used to develop various web applications built with PHP. Because of its component-based framework structure and well-designed caching support, it is particularly suitable for developing large-scale applications, such as portals, communities, content management systems (CMS), e-commerce projects, and RESTful Web services.

Yii features include:

• Model-View-Controller (MVC) design pattern.

• Generate complex WSDL service specifications and manage Web service request processing.

• Internationalization and localization (I18N and L10N), including message conversion, date and time formatting, number formatting and interface localization.

• Hierarchical caching solution supports data caching, page caching, fragment caching and dynamic content. The cached storage medium can be changed.

• Error handling and logging. Log messages can be categorized, filtered and routed to different destinations.

• Security measures include protection against cross-site scripting (XSS), cross-site request forgery (CSRF) and cookie tampering.

• Unit and functional testing based on PHPUnit and Selenium.

• Automatically generate code for skeleton applications and CRUD applications through Gii tools.

• Yii components and command line tools generate code that is XHTML compliant.

• Designed to work with third-party code. For example, you can include code from PEAR or Zend Framework.

Extensions

The Yii project includes a repository of user-contributed extensions.

There is also an official extension library, zii, that was eventually merged with the core framework; it has been bundled with every version since Yii version 1.1.0 and contains additional behaviors and widgets such as grids and jQuery UI.

Recommended related article tutorials: "yii Framework Tutorial", "PHP Tutorial"

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