Codeigniter Controller

pages.php

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

class Pages extends CI_Controller {
	public function __construct() {
		parent::__construct();
		session_name('lpi_luiscoms'); //load session name
		session_start();

	}

	public function index() {
		$this->view('login');
	}

	public function login() {
		$this->view('login');
	}

	public function logout() {
		session_destroy();
		session_unset();
		$this->view('login');
	}

	public function home() {
                // Every method must do this
		if (!isset($_SESSION['logged'])) {
			redirect('login');
		}

		// show home
		$this->view('home');
	}

	public function clients() {
                // Every method must do this
		if (!isset($_SESSION['logged'])) {
			redirect('login');
		}

		// show clients
		$this->view('home');
	}

	public function view($page = 'login') {
		if ( ! file_exists('application/views/'.$page.'.php')) {
			// Whoops, we don't have a page for that!
			show_404();
		}
		if (isset($_SESSION['logged'])) {
			redirect('home');
		}

		$data['title'] = 'Home'; // Capitalize the first letter
		$this->load->view('templates/header', $data);
		$this->load->view('home', $data);
		$this->load->view('templates/footer', $data);
	}
}