Index.php

<?php
session_start();

require_once 'Globals.php';
require_once COMPOSER_AUTOLOADIR;
require_once 'Models/Users.php';
require_once 'Environment Interfaces/Session.php';

$Templater = new \Twig\Environment(new \Twig\Loader\Filesystemloader(array('Templates')), GetTwigOptions());

$Details = Session::GetLoggedInDetails();
$Templater->display('Index.html', array('LoginDetails' => $Details));