1. Go to this page and download the library: Download rubentl/mercurio 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/ */
rubentl / mercurio example snippets
'request' => [
// !!! insert a secret key in the following (if it is empty) - this is