Роман Белов

<?php
$route['default_controller'] = 'page';

class Page extends CI_Controller {

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

    public function show($page_name = "about") {
        $pages = ["about", "price", "catalog", "conditions", "contacts"];
        $data["data"] = $this->page_model->get_page($page_name);
        $data["view"] = "default";
        if (in_array($page_name, $pages)) {
            $data["view"] = $page_name;
        }
        $this->layout->user($data);
    }
}