How to erform a logout?

[eluser]InsiteFX[/eluser]
You do not need to delete the cookie ci will do that all you need is this

Code:

$this->session->userdata = array();
$this->session->sess_destroy();

// or try this
$data = array('empty' => 'empty');
$this->session->set_userdata($data);
$this->session->sess_destroy();