<?php
defined('BASEPATH') OR exit('No direct script access allowed');


class MY_Controller extends CI_Controller {
    public $data = array();


    public function __construct()
    {
        parent::__construct();


        $this->load->model('account');
        $this->load->helper('form');
        $this->load->helper('url');
        $this->load->library('form_validation');


        if ($this->session->userdata('email') === true)
        {
            $this->data = array(
                'nav' => $this->load->view('template/nav', '', true),
                'menu'=> $this->load->view('template/menu', '', true)
                );
        }
    }
}


/* End of file MY_Controller.php */
/* Location: ./application/core/MY_Controller.php */

<?php
defined('BASEPATH') OR exit('No direct script access allowed');


class Status extends MY_Controller {


    public function index()
    {
        $data = array();


        foreach($this->data as $key => $value)
        {
            $data[$key] = $value;
        }


        print_r($data);
    }
}


/* End of file status.php */
/* Location: ./application/controllers/status.php */

class Framework {
     public $database, $session, $user, $language;


     public function __construct() {
          // The core classes
          $this->database = new Database();
          $this->session = new Session();
          $this->user = new User();
          $this->language = new Language();
     }
}

<?php
include 'framework/framework.php';


$framework = new Framework();


// example:
$email = 'test';


try {
    if ($framework->account->login($email, 'test') == false) {
        throw new Exception($framework->account->error);
    } else {
        // $framework->session->addSession($email);


        // header('/game.php');
    }
} catch (Exception $e) {
    echo $e->getMessage();
}
?>

<?php
function __autoload($name) {
    $file = 'framework/classes/' . $name . '.class.php';


    try {
        if (!file_exists($file)) {
            throw new Exception('Class "' . $name . '" bestaat niet.');
        } else {
            include $file;
        }
    } catch (Exception $e) {
        echo $e->getMessage();
    }
}


//  class Framework extends Database?
class Framework {
    public $account, $database, $session;


    public function __construct() {
        $this->account = new Account();
        $this->database = new Database();
        $this->session = new Session();
    }
}
?>

<?php
class Account {
    public $error;


    public function __construct() {
        // check if the session "member" exists
        //if ($this->session->member()) {
        // update online time, the user should be online
        // }
    }


    public function login($email, $password, $time = null) {
        try {
            if (empty($email) || empty($password)) {
                throw new Exception('Leeg');
            }
            elseif (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
                throw new Exception('Leeg');
            }
            elseif (count($password) < 6) {
                throw new Exception('Leeg');
            } else {
                $query = $this->database->query('SELECT `email`, `password` FROM `accounts` WHERE `email` = "' . $email . '"');


                if ($query->num_rows == 0) {
                    throw new Exception('Bestaat niet.');
                }
                else {
                    $res = $query->fetch_assoc();


                    if ($password != $res['password']) {
                        throw new Exception('Wachtwoord komt niet overeen.');
                    }
                }
            }


            // always return false?
            return false;
        } catch (Exception $e) {
            $this->error = $e->getMessage();
        }
    }
}

$(document).ready(function () {
  $('a.load').click(function(e) {
    var url = '#!/' + $(this).attr('href');


    window.history.pushState('string', 'Title', url);


    var newUrl = url.split('#!/');


    $('#content').load(newUrl[1]);


    e.preventDefault();
  });
        var current = $(location).attr('href');
        var currentUrl = current.split('#!/');


        $('#content').load(currentUrl[1]);
});

<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
    <title>XXX</title>
    <link rel="stylesheet" type="text/css" href="/layout/css/style.css" />
</head>
<body>
<div id="wrapper">
    <div id="menu">
        <ul>
            <li>aa</li>
            <li>aa</li>
            <li>aa</li>
        </ul>
    </div>
    <div id="main">
        <div id="header">


        </div>
        <div id="nav">
            <ul>
                <li>aa</li>
                <li>aa</li>
            </ul>
        </div>
        <div id="content">
            content
        </div>
    </div>
    <div id="sidebar">
        <ul>
            <li>aa</li>
            <li>aa</li>
            <li>aa</li>
        </ul>
    </div>
</div>
</body>
</html>

body {
    margin: 0px;


    font:12px arial,helvetica,"Liberation Sans","DejaVu Sans Condensed",sans-serif;
}


ul, li {
    margin: 0px;
    padding: 0px;
}


li {
    list-style-type: none;
}


#wrapper {
    margin: 0xp auto;
    width: 100%;
}


#menu {
    float: left;
    width: 17%;


    background-color: blue;
}


#nav {


}


#nav li {
    float: left;
}


#header {


}


#sidebar {
    float: left;
    width: 17%;


    background-color: green;
}


#main {
    float: left;
    width: 66%;


    background-color: yellow;
}