CodeIgniter is based on the Model-View-Controller (MVC) development pattern. MVC is a software approach that separates application logic from presentation. In practice, it permits your web pages to contain minimal scripting since the presentation is separate from the PHP scripting.

1. CODEIGNITER
Isuru Deminda
Thilakarathne

2. CodeIgniter MVC
• CodeIgniter is based on the Model-View-Controller (MVC) development pattern.
MVC is a software approach that separates application logic from presentation. In
practice, it permits your web pages to contain minimal scripting since the
presentation is separate from the PHP scripting.

3. Browser
ControllerModel
View
Data Data
User
HTML / Content

4. Accessing PHP file (Normal Way)
Server Root
(www)
hello.php print.php menu.php
http://localhost/hello.php

5. Accessing PHP file (CI Way)
Server Root
(www)
hello.php
Index.php
http://localhost/index.php/hello
application
ViewsControllers Model

6. URL FORMAT (ROUTING)
http://localhost/index.php /controller /Method /p1/p2/p3
Name of Controller Method inside
a Controller
Parameter to the
Method

7. THANK YOU