Storing multiple inputs with the same name in a CodeIgniter session

I've posted this in the CodeIgniter forum and exhausted the forum search engine as well, so apologies if cross-posting is frowned upon.

Essentially, I've got a single input, set up as <input type="text" name="goal">. At a user's request, they may add another goal, which throws a duplicate to the DOM. What I need to do is grab these values in my CodeIgniter controller and store them in a session variable. My controller is currently constructed thusly:

function goalsAdd(){
    $meeting_title = $this->input->post('topic');
    $meeting_hours = $this->input->post('开发者_如何学编程hours');
    $meeting_minutes = $this->input->post('minutes');
    $meeting_goals = $this->input->post('goal');
    $meeting_time = $meeting_hours . ":" . $meeting_minutes;

    $sessionData = array(
        'totaltime' => $meeting_time,
        'title' => $meeting_title,
        'goals' => $meeting_goals
    );

    $this->session->set_userdata($sessionData);
    $this->load->view('test', $sessionData);
}

Currently, obviously, my controller gets the value of each input, writing over previous values in its wake, leaving only a string of the final value. I need to store these, however, so I can print them on a subsequent page.

What I imagine I'd love to do is extend the input class to be able to call $this->input->posts('goal'). Eventually I will need to store other arrays to session values. But I'm totally open to implementation suggestion.

Thanks so much for any help you can give.

You'd want to use this in your form:

<input type="text" name="goal[]">

You can then get the values in the Controller via:

$goal = $this->input->post('goal');

And then set the variable in the session via:

$this->session->set_userdata('goal', $goal);

If you want to retrieve it again. do this via:

$goal = $this->session->userdata('goal');

You'll have something like this:

$goal[0] = 'first goal';
$goal[1] = 'second goal';

Please try it first :)