Johndllee

<?php
class Lists extends CI_Controller {

private $limit = 10;
    public function __construct() {
        parent::__construct();
        if(!$this->session->userdata('logged_in')){
            //Set error
            $this->session->set_flashdata('need_login', 'Sorry, you need to be logged in to view the List');
            redirect('home/index');

Johndllee

<?php
class Home extends CI_Controller {
    public function index(){
        if($this->session->userdata('logged_in')){
            //Get the logged in users id
            $user_id = $this->session->userdata('user_id');
            //Get all lists from the model
             // $this->load->library('/controllers/person');    to load the library
              $data['person'] = $this->Person_model->list_all();
            //$data['lists'] = $this->List_model->get_all_lists($user_id);