1. Go to this page and download the library: Download chistel/multi-payment 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/ */
class PaymentSuccessfulListener
{
public function handle(PaymentWasSuccessful $event)
{
$payer = $event->user;
$response = $event->responses
$provider = $event->gateway;
// Other code you want to added
}
}