static_page.php

<?php
class StaticPage extends CI_Controller {

	public function __construct() {
		parent::__construct();
		$this->load->model('static_page_model');
	}
	
	public function index () {		
		$slug = $this->uri->segment(1);
		$page = $this->static_page_model->getPage($slug);

		if ($page) {
			$this->load->view("static_page", $page);
		} else
			show_404();
	}

}