[El Forum]

[eluser]weboap[/eluser]
using session is the most common.

http://ellislab.com/codeigniter/user-gui...sions.html

Code:

$newdata = array(
                   'username'  => 'johndoe',
                   'email'     => '[email protected]',
                   'logged_in' => TRUE
               );

$this->session->set_userdata($newdata);

then

Code:

$logged_in = $this->session->userdata('logged_in');
if(!$logged_in){
.......
}
else
{
.......
}