index.php

<?php
require __DIR__ . '/app/init.php';
$route = array_filter(explode('/', $_SERVER['REQUEST_URI']));if (SUBFOLDER === true){    array_shift($route);}
if (!route(0)){    $route[0] = 'index';}
if (!file_exists(controller(route(0)))){    $route[0] = '404';}
require controller(route(0));