1. Go to this page and download the library: Download simpl/sql 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/ */
simpl / sql example snippets
$db = new \Simpl\SQL('localhost', 'your-db-name', 'your-username', 'your-password');