CodeIgniter Tutorial for creating Header ,Footer & display content..

(1)Download codeigniter from "http://www.codeigniter.com/download"


(2) create folder ci under path "c:/wamp/www"


(3) then  extract  zip  file of  CodeIgniter-2.2.1 into "ci" folder.

 (means into following path=
"C:/wamp/www/ci")


(4)then go to browser & type

"localhost/ci/" (note: you will see welcome message )


(5)now  understand  Codeigniter  sturcture:

It contains three  main folder under "application" folder:


(a)controllers (handles all incoming Http requests,passes data to the views).


(b)views(Renders the Html output).


(c)Models(Encapsulate  Business Logic,such as Interaction with database).


(6)now opend notepad type following code:
<h1> this is header </h1>

save file name as header.php   & save this file under "views" folder.

(7) type code:
<h1>this is content </h1>





save file name as content.php & save this file under "views" folder.

(8) type code:


h1> this is footer </h1>

save file name as footer.php & save this file under "views" folder.


(9) now wirte following code :
<?php

class Hello extends CI_controller

{

public function one()

{


echo "this is one";


}
public function two()
{

$this->load->view('header.php');

$this->load->view('content.php');

$this->load->view('footer.php');

}

}



save this file as hello.php  & save this file under "controllers" folder.





(10) Now  open  browser & to run one function of hello class

 type following  url:"Localhost/index.php/hello/one


output: this is one


(11)Now  open  browser & to run two function of hello class

 type following  url:"Localhost/index.php/hello/two


output:

this is header
this is content
this is footer