<?php
require_once __DIR__ . '/Symfony/Component/ClassLoader/UniversalClassLoader.php';

use Symfony\Component\ClassLoader;

$classLoader = new UniversalClassLoader();
$classLoader->registerNamespace('Symfony', __DIR__);
$classLoader->register();

// % php app.php
// PHP Fatal error:  Class 'UniversalClassLoader' not found in /Projet/Comparator/app.php on line 6
// PHP Stack trace:
// PHP   1. {main}() /Projet/Comparator/app.php:0
//
// Fatal error: Class 'UniversalClassLoader' not found in /Projet/Comparator/app.php on line 6
//
// Call Stack:
//     0.0004     637096   1. {main}() /Projet/Comparator/app.php:0
//
// zsh: exit 255   php app.php