Why aren't my cookies writting?

[eluser]Learn CodeIgniter[/eluser]
secure needs to be set to FALSE.

Code:

function login() {
  $cookie = array(
      'name'   => 'login',
      'value'  => '1',
      'expire' => time()+7200,
      'domain' => '',
      'path'   => '/',
      'prefix' => '',
      'secure' => FALSE
  );
  
  $this->input->set_cookie($cookie);
}