Issue
New in codeigniter learning it and stuck on the session for codeigniter. I am working on a login system the login part is working good but now i have to add session and logout and include my other pages in to that session so i can restrict someone to direct access that page. so how i implement session & logout in my code.
This is the Controller
<?php
class LoginController extends CI_controller
{
public function index()
{
$this->load->view('header2');
$this->load->view('login');
$this->load->view('footer');
}
public function checklogin()
{
$this->form_validation->set_rules('username' ,'Username', 'required|valid_email');
$this->form_validation->set_rules('password' ,'Password', 'required|callback_verifyUser');
if($this->form_validation->run() == false){
$this->load->view('header2');
$this->load->view('login');
$this->load->view('footer');
}
else
{
redirect('HomeController/index');
}
}
public function verifyUser()
{
$name = $this->input->post('username');
$pass = $this->input->post('password');
$this->load->model('LoginModel');
if($this->LoginModel->login($name, $pass))
{
return true;
}
else
{
$this->form_validation->set_message('verifyUser','Incorrect Email or Pass');
return false;
}
redirect('LoginController/checklogin');
}
}
The model is like this
<?php
class LoginModel extends CI_model
{
public function login($name, $pass)
{
$this->db->select('name,pass');
$this->db->from('members');
$this->db->where('name',$name);
$this->db->where('pass',$pass);
$query = $this->db->get();
if($query->num_rows() == 1)
{
return true;
}
else
{
return false;
}
}
}
The View is
<html>
<head>
<title></title>
</head>
<body>
<?php echo validation_errors(); ?>
<?php echo form_open('LoginController/checklogin'); ?>
UserName:
<input type="text" name="username" /><br/>
password:
<input type="text" name="password" />
<input type="submit" value="Login" name="submit" />
</form>
</body>
</html>
login is working correctly need a session and logout in this.
Solution
1) First Include the Library:
$this->load->library('session');
2) Store the data in array which you want to store in session :
$data= array(
'username' => 'username',
'password' => 'password',
'email'=>'emailid'
'logged_in' => 'login id'
);
3) Store this data in session:
$this->session->set_userdata($data);
You can use this data any time for example if you want loginid from session you can write:
$loginid= $this->session->userdata('logged_in');
When LOGOUT :
$this->session->unset_userdata(array("username"=>"","logged_in"=>"","password"=>"","email"=>""));
$this->session->sess_destroy();
redirect('loginpage');
If you don't want to direct access the pages create one model and add this code in it and auto load that model.
public function valid_allowed()//check user is login or not
{
$session = $this->session->userdata('username'); //here you can take loginid, email whatever you store in session
if(!$session)
{
redirect('login');
}
}
To auto load that model
Go to application->config->autoload.php: this line:
$autoload['model'] = array('model name');
Change you model:
<?php
class LoginModel extends CI_model
{
public function login($name, $pass)
{
$this->db->select('name,pass');
$this->db->from('members');
$this->db->where('name',$name);
$this->db->where('pass',$pass);
$query = $this->db->get();
if($query->num_rows() == 1)
{
$row=$query->row();
$data=array(
'username'=>$row->u_username,
'id'=>$row->id,
'email'=>$row->email
'password'=>$row->u_password);
$this->session->set_userdata($data);
return true;
}
else
{
return false;
}
}
}
Change your verifyUser function:
public function verifyUser()
{
$name = $this->input->post('username');
$pass = $this->input->post('password');
$this->load->model('LoginModel');
$result=$this->LoginModel->login($name, $pass))
if(!$result)
{
$this->form_validation->set_message('verifyUser','Incorrect Email or Pass');
return false;
redirect('LoginController/checklogin');
}
else
{
redirect('dashboard'); //user is valid so goto dashboard
}
}
Answered By - David Coder
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