/**
* This method is used to logout from CAS
*
* @param string $service a URL that will be transmitted to the CAS server to do a redirect after logout
*
* @return none
*/
public function logout($service = "")
{
if (phpCAS::isSessionAuthenticated()) {
if ($this->auth->check()) {
$this->auth->logout();
}
$this->session->flush();
if ($service != "") {
phpCAS::logoutWithRedirectService($service);
} else {
phpCAS::logout();
}
exit;
}
}
/**
* Clear all the values in storage.
*
* @return null
*/
public function clear()
{
$this->session->flush($this->storageKey);
}