<?php

function index()
{
    // Load User Model, Auto connect to DB
    $this->load->model('User_model','', TRUE);

    $data = array();
    $loggedIn = false;
    $attemptedLogIn = isset($_POST['username'], $_POST['password']);

    if($attemptedLogIn)
    {
        $username = $_POST['username'];
        $password = $_POST['password'];
        $loggedIn = $this->User_model->login($username, $password);
    }

    if ($loggedIn)
    {
        // Redirect
    }
    else
    {
        $data['title']
        if ($attemptedLogIn) {
            $data['heading'] = 'Log in attempt failed';
        } else {
            $data['heading'] = 'Please log in';
        }

        $this->load->view('login', $data);
    }
}