PHP Merchant is right for you if you want a library that:
- provides a consistent programming interface across various payment gateway providers.
- minimizes the amount of time to learn to use the API for various payment gateways.
- minimizes the amount of code you need to write in order to process payments.
- is being used in real projects and proven to be stable.
- has clear and thorough documentation.
Take a look at our getting started guide, there's a good code example there.