1. Go to this page and download the library: Download parf/spartan-test library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
; $user = loadUser(42); // setup: starts with ";" in column one
$user->displayName(); // expression under test
'Ada Lovelace'; // expected result: four-space indentation