Yii

For other uses, see YII (disambiguation).
Yii
Stable release
2.0.10[1] / October 20, 2016 (2016-10-20)
Repository github.com/yiisoft/yii2
Development status Active
Written in PHP
Operating system Cross-platform
Type Web application framework
License New BSD License
Website www.yiiframework.com

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!".[2]

History

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.[3]

Features

Yii features include:

Version history

Color Meaning
Red Old version; no longer supported
Yellow Old version; still supported
Green Current version
Blue Future version
Version Release Release date End of maintenance[4] Requirement[4]
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

Extensions

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.

Documentation

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.

Licensing

Yii is released under the New BSD License (3-clause license). This means that it's possible to use it for free to develop either open-source or proprietary Web applications.

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.[5]

The logo is licensed under a Creative Commons Attribution-No Derivative Works 3.0 Unported License.[6]

Bibliography

Books

Journals

See also

References

  1. "Yii 2.0.10 is released". Yiiframework.com. 2016-10-20. Retrieved 2015-10-20.
  2. "About Yii". Yii2 Guide. yiisoft.
  3. http://www.yiiframework.com/news/92/php-7-released/
  4. 1 2 "Download Yii Framework". Retrieved 18 January 2011.
  5. "Terms of the Yii Documentation". Retrieved 22 August 2010.
  6. "Official Logo". Retrieved 20 October 2010.
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