1. Go to this page and download the library: Download ptuchik/billing 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/ */
ptuchik / billing example snippets
public function isTester() {
return false;
}
$plan->prepare($hostable); // Will return plan with all calculations applied for logged in user
$plan->purchase($hostable); // It will do the rest automagically