QuickPay integration with Omnipay makes it easy to get started with accepting online payments.
Omnipay is a payment processing library for PHP. It has been designed based on ideas from Active Merchant, plus experience implementing dozens of gateways for CI Merchant. It has a clear and consistent API, is fully unit tested, and even comes with an example application to get you started.
Visit omnipay.thephpleague.com for more information about the system.