1. Go to this page and download the library: Download nelmio/alice 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/ */
nelmio / alice example snippets
$loader = new Nelmio\Alice\Loader\NativeLoader();
$objectSet = $loader->loadFile(__DIR__.'/fixtures.yml');