CodeIgniter PHP Framework is an open source rapid development web application framework, for use in building dynamic web sites with PHP. The first public version of CodeIgniter is released on February 28, 2006, and the latest stable version 2.2.0 is released on June 5, 2014.
CodeIgniter is loosely based on the popular Model-View-Controller development pattern. While view and controller classes are a necessary part of development under CodeIgniter, models are optional.
CodeIgniter’s source code is maintained at GitHub.
It is a toolkit for people who build web sites using PHP. Its goal is to enable you to develop projects much faster than you could if you were writing code from scratch, by providing a rich set of libraries for commonly needed tasks, as well as a simple interface and logical structure to access these libraries. CodeIgniter lets you creatively focus on your project by minimizing the amount of code needed for a given task.
CodeIgniter is installed in four steps:
- Unzip the package.
- Upload the CodeIgniter folders and files to your server. Normally the index.php file will be at your root.
- Open the application/config/config.php file with a text editor and set your base URL.
- If you intend to use a database, open the application/config/database.php file with a text editor and set your database settings.
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