Programming Tutorials

Using Codeigniter for PHP application development

By: Benny Alexander in PHP Tutorials on 2008-12-29  

CodeIgniter is an open-source PHP web application development framework. It is based on the Model-View-Controller (MVC) architecture pattern and provides a simple, elegant toolkit for building full-featured web applications.

To get started with CodeIgniter, follow these steps:

  1. Download CodeIgniter: Go to the CodeIgniter website ( and download the latest version of CodeIgniter.

  2. Extract the files: After downloading, extract the files and copy them to your server's web directory.

  3. Configure the database: CodeIgniter uses a database to store and retrieve data. Open the application/config/database.php file and enter your database settings.

  4. Create a controller: Controllers are used to handle user requests and generate responses. Create a new file in the application/controllers directory with a name that ends in "_controller.php".

  5. Define methods: Inside your controller, define methods that correspond to the actions that your users can perform.

  6. Create views: Views are used to generate HTML output. Create a new file in the application/views directory with a name that ends in ".php".

  7. Define routes: Routes are used to map URLs to controllers and methods. Open the application/config/routes.php file and define your routes.

  8. Test your application: Finally, test your application by visiting the appropriate URL in your web browser.

By following these steps, you should be able to get started with CodeIgniter and begin building your own web applications.

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