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2.0.10 / October 20, 2016
|Type||Web application framework|
|License||New BSD License|
Yii is an open source, object-oriented, component-based MVC PHP web application framework. Yii is pronounced as "Yee" or [ji:] and in Chinese it means "simple and evolutionary" and it can be acronym for "Yes It Is!".
Yii started an attempt to fix drawbacks of the PRADO framework: Slow handling of complex pages, steep learning curve and difficulty to customize many controls. In October 2006, after ten months of private development, the first alpha version of Yii was released, followed by the formal 1.00 release in December 2008.
Yii 1.1 was released in January 2010 adding a form builder, relational Active record queries, a unit testing framework and more. In May 2011 the developers decided to use new PHP versions and fix architectural mistakes. This led to version 2.0 to which the first commit was made in the same month. In May 2013 the Yii 2.0 code went public, followed by the first stable release of Yii 2.0 in October 2014. The current version 2.0.9 also supports PHP7.
Yii features include:
- Model-View-Controller (MVC) design pattern.
- Generation of complex WSDL service specifications and management of Web service request handling.
- Internationalization and localization (I18N and L10N), comprising message translation, date and time formatting, number formatting, and interface localization.
- Layered caching scheme, which supports data caching, page caching, fragment caching and dynamic content. The storage medium of caching can be changed.
- Error handling and logging. Log messages can be categorized, filtered and routed to different destinations.
- Security measures include prevention of cross-site scripting (XSS), cross-site request forgery (CSRF) and cookie tampering.
- Unit and functionality testing based on PHPUnit and Selenium.
- Automatic code generation for the skeleton application, CRUD applications, through the Gii tool.
- Code generated by Yii components and command line tools complies to the XHTML standard.
- Designed to work well with third-party code. For example, it's possible to include code from PEAR or the Zend Framework.
|Red||Old version; no longer supported|
|Yellow||Old version; still supported|
|Version||Release||Release date||End of maintenance||Requirement|
|1.0||1.0||December 3, 2008||December 31, 2010||PHP 5.1.0 or above|
|1.0.1||January 4, 2009|
|1.0.2||February 1, 2009|
|1.0.3||March 1, 2009|
|1.0.4||April 5, 2009|
|1.0.5||May 10, 2009|
|1.0.6||June 7, 2009|
|1.0.7||July 5, 2009|
|1.0.8||August 9, 2009|
|1.0.9||September 6, 2009|
|1.0.10||October 18, 2009|
|1.0.11||December 13, 2009|
|1.0.12||March 14, 2010|
|1.1||1.1.0||January 10, 2010||December 31, 2016||PHP 5.1.0 or above|
|1.1.1||March 14, 2010|
|1.1.2||May 2, 2010|
|1.1.3||July 4, 2010|
|1.1.4||September 5, 2010|
|1.1.5||November 14, 2010|
|1.1.6||January 16, 2011|
|1.1.7||March 27, 2011|
|1.1.8||June 26, 2011|
|1.1.9||January 1, 2012|
|1.1.10||February 12, 2012|
|1.1.11||July 29, 2012|
|1.1.12||August 19, 2012|
|1.1.13||December 30, 2012|
|1.1.14||August 11, 2013|
|1.1.15||June 29, 2014|
|1.1.16||December 21, 2014|
|1.1.17||January 13, 2016|
|2.0||2.0.0||October 12, 2014||TBD||PHP 5.4.0 or above|
|2.0.1||December 7, 2014|
|2.0.2||January 11, 2015|
|2.0.3||March 1, 2015|
|2.0.4||May 10, 2015|
|2.0.5||July 11, 2015|
|2.0.6||August 5, 2015|
|2.0.7||February 14, 2016|
|2.0.8||April 28, 2016|
|2.0.9||July 11, 2016|
|2.0.10||October 20, 2016|
The Yii project includes a repository of user-contributed extensions.
There was also an official extension library, zii, which was eventually merged with the core framework; it has been bundled in every release since Yii version 1.1.0, and includes additional behaviors and widgets, such as grids and jQuery UI.
Yii comes with a collection of official documentation, such as a tutorial to develop a simple blog application, a guide that gives the description of every feature and a class reference which gives every detail about properties, methods and events.
There's also a user-contributed documentation, most of which is available within the wiki on the official website.
The text contained in the Official Yii Documentation is licensed to the public under the GNU Free Documentation License (GFDL). In general, the Yii documentation content can be copied, modified, and redistributed so long as the new version grants the same freedoms to others and acknowledges the authors of the Yii documentation article used.
- Merkel, Dirk (2010). "Chapter 6: PHP Frameworks". Expert PHP 5 Tools. Packt Publishing. ISBN 978-1-84719-838-9.
- Winesett, Jeffrey (2010). Agile Web Application Development with Yii1.1 and PHP5. Packt Publishing. ISBN 978-1-84719-958-4.
- Makarov, Alexander (2011). Yii 1.1 Application Development Cookbook. Packt Publishing. ISBN 978-1-84951-548-1.
- Ullman, Larry (2013). The Yii Book. Larry Ullman.
- Winesett, Jeffrey (2012). Web Application Development with Yii and PHP. Packt Publishing. ISBN 978-1-84951-872-7.
- O'Meara, Lauren J.; Hamilton III, James R. (2012). Yii Rapid Application Development Hotshot. Packt Publishing. ISBN 978-1-84951-750-8.
- Макаров, Александр (2012). Yii. Сборник рецептов. ДМК Пресс. ISBN 978-5-94074-786-4.
- Sosna, Łukasz (2013). Yii Framework. Helion. ISBN 978-83-246-7920-1.
- Mumm, Jacob (2013). Instant Yii 1.1 Application Development Starter. Packt Publishing. ISBN 978-1-78216-168-4.
- Uday, Sawant (2013). Instant Building Multi-Page Forms with Yii How-to. Packt Publishing. ISBN 978-1-78216-642-9.
- Safronov, Mark (2014). Web Application Development with Yii 2 and PHP. Packt Publishing. ISBN 978-1-78398-188-5.
- Portwood II, Charles R. (2014). Yii Project Blueprints. Packt Publishing. ISBN 978-1-78328-773-4.
- Keck, Bill (2014). Yii 2 For Beginners. Leanpub.
- Pescarin, Matteo (2015). Learning Yii Testing. Packt Publishing. ISBN 978-1-78439-227-7.
- Portwood II, Charles R. (2016). Mastering Yii. Packt Publishing. ISBN 978-1-78588-242-5.
- Bogdanov, Andrew; Eliseev, Dmitry (2016). Yii2 Application Development Cookbook - Third Edition. Packt Publishing. ISBN 978-1-78528-176-1.
- Behme, Henning (January 2009). "World Wide Web". iX. Heise.
- Winesett, Jeffrey (March 2009). "Adding the Yii Framework to Your Web Development Toolbox". php|architect.
- Winesett, Jeffrey (July 2009). "Yii: Flex Your Flash". php|architect.
- Kreußel, Peter (November 2009). "PHP-Frameworks im Überblick, Viel Holz für den Rahmen". Linux-Magazin. Linux New Media AG.
- Setter, Matthew (December 2010). "YiiLocal – Find Stuff Near You". php|architect.
- Moorjani, Philip (April 2014). "Introduction to Yii 2.0". php|architect.
- "Yii 2.0.10 is released". Yiiframework.com. 2016-10-20. Retrieved 2015-10-20.
- "About Yii". Yii2 Guide. yiisoft.
- "Download Yii Framework". Retrieved 18 January 2011.
- "Terms of the Yii Documentation". Retrieved 22 August 2010.
- "Official Logo". Retrieved 20 October 2010.