Inserindo Twig Template Engine no Codeigniter via Composer Localilzação dos arquivos: Welcome.php => application/controller/Welcome.php

gistfile1.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
 * 
 * Arquivo inserido em application/controller/Welcome.php 
 * 
 */
 
class Welcome extends CI_Controller {
 
    /**
	 * Construtor da classe
	 *
	 * @return void
	 */
	public function __construct()
	{
        parent::__construct();
	    $this->load->library('Twig');
	}
 
	/**
	 * Envia para a pagina index do Controller
	 * @return void
	 */
	public function index()
	{
		try{
			$data['title'] = "Testing Twig!!";
			$this->twig->display('twig/index.html.twig', $data);
		}catch(Exception $e){
			show_error($e->getMessage().' --- '.$e->getTraceAsString());
		}
	}
 
}