This document provides information on basic configuration for CodeIgniter, including file and directory structure, environment settings, and configuration setup. It discusses the main directories in CodeIgniter like application, system, and third_party. It also describes how to configure the environment like development, testing, and production. Key configuration files mentioned are index.php, database.php, and routes.php for environment settings, and config.php for settings like encryption key, session driver, and cookie expiration.

1. CodeIgniter
Weerayut Hongsa

2. Basic configuration for CodeIgniter
• File and Directory structure of CodeIgniter.
• Environment setting for optimise CodeIgniter.
• Configuration setup for CodeIgniter.

3. File and Directory
structure

4. File and Directory structure of CodeIgniter

5. You don’t to anything in “system”
directory, focus “application”
directory only.

6. File and Directory structure
• cache : contain the cache file. (if your configuration
this)
• config : contain the configuration for your application.
• controllers : contain the application controllers.
• helpers : contain the custom helpers functions files.
• language : contain the language files (if you use multi
language application)
• libraries : contain the custom library class files.
• logs : contain logs file. (if your enable log functions)
• models : contain the application model.
• third_party : contain the third party class files.
• views : contain the application view files.

7. Environment setting

8. Files need to edit for optimise.

9. Environment setting (index.php)
• Edit your environment for your application
follow this.
• development : This application under
development process.
• testing : This application under testing process.
• production : This application is production.

10. Environment setting (application/
config/database.php)
• Edit your database for your application
follow this.
• hostname : Hostname for database server
(like localhost etc.)
• username : Username for login to database
server (root etc.)
• password : Password for login to database
server (not need if this null)
• dbdriver : Database driver for your application
(MySQL,MSSQL, etc) if your use MySQL,
please enter “mysqli” for driver new version.

11. Environment setting (application/
config/routes.php)
• Edit your routes for your
application follow this.
• $route[‘default_controller’] :
Enter your default controller.
(home controller)
• $route[‘404_override’] : Enter
your custom 404 controller.

12. Configuration Setup

13. File need to configuration

14. Configuration Setup (application/
config/config.php)
• $config[‘encryption_key’] : Key for
encrypt your data in class
encryption. (like md5 key)

15. Configuration Setup (application/
config/config.php) [cont.]
• $config[‘sess_driver’] : Driver for session class
(files,database,redis, memcached)
• $config[‘sess_cookie_name’] : Prefix session
cookie name for your application.
• $config[‘sess_expiration’] : Time expiration for
your cookie.
• $config[‘sess_save_path’] : Path for session file.
• $config[‘sess_mach_ip’] : Match cookie session
and IP Address.

16. Thank you.