store array into session.

[eluser]Vince Stross[/eluser]

Code:

$my_data = array(0=>array(...),1=>array(...),2=>array(...));
$this->session->set_userdata('my_data',$my_data);

To play with your data you have to pull it into a variable:

Code:

$my_data = $this->session->userdata('my_data');
// Now $my_data is a 2D array