router_index.php

<?php
include 'router.php';

foreach (glob('controllers'.DIRECTORY_SEPARATOR.'*_controller.php') as $filename) {
  // Include all php files that end with `_controller.php` in the `controllers` directory
  // Note that this does not recursively include files
  include $filename; 
}

$router = new Router();

// Traditional routes
$router->route('POST', '/posts', 'posts#create'); 
$router->route('GET', '/posts', 'posts#index');
$router->route('GET', '/posts/{:id}', 'posts#show');
$router->route('PATCH', '/posts/{:id}', 'posts#update');

$router->route('GET', '/me', 'users#show');

// Shorthand (Available for GET, POST, PATCH, PUTS, and DELETE)
$router->post('/posts', 'posts#create'); 
$router->get('/posts', 'posts#index');
$router->patch('/posts/{:id}', 'posts#update');

// Namespaced controllers
$router->route('GET', '/admin/settings', 'admin/settings#index');

// Catch-all route
$router->route('GET', '{:all}', 'pages#not_found');

$router->execute($_SERVER);