/**
* Implementation of login page using CodeIgniter
*
* @author : irfanudin ridho
* @email : irfan.ub@gmail.com
* @version : 1.0
* @date : February 20, 2010
*/
<?php
class Blog extends CI_Controller{
function index(){
header("Location: blog/page");
}
class Blog extends CI_Controller{
function index(){
header("Location: blog/page");
}
// login form
function page(){
$this->load->view('blog/front');
}
function page(){
$this->load->view('blog/front');
}
// check the login validation
function check(){
$username = $_POST['username'];
$pass = $_POST['password'];
function check(){
$username = $_POST['username'];
$pass = $_POST['password'];
// add more data
$data = array(
'username' => $username,
'log_in' => TRUE, // for the next checking
);
if(strcmp($username,"admin") == 0 && strcmp($pass,"bali") == 0){
$this->load->library('session');
$this->session->set_userdata($data);
header("Location: hello");
}else{
header("Location: page");
}
}
$data = array(
'username' => $username,
'log_in' => TRUE, // for the next checking
);
if(strcmp($username,"admin") == 0 && strcmp($pass,"bali") == 0){
$this->load->library('session');
$this->session->set_userdata($data);
header("Location: hello");
}else{
header("Location: page");
}
}
// authenticated page
function hello(){
$this->load->library('session');
if(!$this->session->userdata('log_in')){
header("Location: page");
}
echo "<h1>You are log in</h1>";
echo "<a href=\"logout\">Go Logout</a>";
}
function hello(){
$this->load->library('session');
if(!$this->session->userdata('log_in')){
header("Location: page");
}
echo "<h1>You are log in</h1>";
echo "<a href=\"logout\">Go Logout</a>";
}
// logout page
function logout(){
$this->load->library('session');
$this->session->unset_userdata('log_in');
header("Location: page");
}
}
<h1>Login</h1>
<table>
<form action="check" method="post">
<tr><td>Username</td>
<td>:</td>
<td><input type="text" name="username"/></td></tr>
<tr><td>Password</td>
<td>:</td>
<td><input type="password" name="password"/></td></tr>
<tr><td colspan="3">
<input type="submit" value="Log In"/></td></tr>
</form>
</table>
</div>
function logout(){
$this->load->library('session');
$this->session->unset_userdata('log_in');
header("Location: page");
}
}
blog/front.php - view files
<div id="login"><h1>Login</h1>
<table>
<form action="check" method="post">
<tr><td>Username</td>
<td>:</td>
<td><input type="text" name="username"/></td></tr>
<tr><td>Password</td>
<td>:</td>
<td><input type="password" name="password"/></td></tr>
<tr><td colspan="3">
<input type="submit" value="Log In"/></td></tr>
</form>
</table>
</div>
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