1. Go to this page and download the library: Download neckberg/hashdown 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/ */
neckberg / hashdown example snippets
[
'Name of Food' => 'Twinkie',
'Serving size' => 2 cakes,
'Calories per serving' => 280,
]