1. Go to this page and download the library: Download vinevax/steam-php-api 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/ */
vinevax / steam-php-api example snippets
use VineVax\SteamPHPApi\SteamClient;
$steam = new SteamClient('YOUR_API_KEY');