Making Altorouter work with Twig

index.php

<?php
/* Project structure
 *
 * ROOT
 * - index.php
 * - public
 *   - master.twig
 */

require 'vendor/autoload.php';

$router = new AltoRouter();

// Map routes
try {
    $router->map('GET', '/', function (){return __DIR__.'/master.twig';}, '/master.twig');
} catch (Exception $e) {
    header('Content-type: application/json');
    echo json_encode('Error [0]: '.$e);
}

$loader = new Twig_Loader_Filesystem(array(__DIR__.'/public'));

$twig = new Twig_Environment($loader);

$match = $router->match();

if( $match && is_callable( $match['target'] ) ) {
    try {
        // Render the actual Twig template
        echo $twig->render($match['name'], array());
        
    // Handle all possible errors
    } catch (Twig_Error_Loader $e) {
        header('Content-type: application/json');
        echo json_encode('Error [1]: '.$e);
    } catch (Twig_Error_Runtime $e) {
        header('Content-type: application/json');
        echo json_encode('Error [2]: '.$e);
    } catch (Twig_Error_Syntax $e) {
        header('Content-type: application/json');
        echo json_encode('Error [3]: '.$e);
    }
} else {
    header( $_SERVER['SERVER_PROTOCOL'] . ' 404 Not Found');
    echo var_export($match);
}