Are there smart PHP libraries for working with external billing systems?

Question

PHP

Guys, I spent a lot of time, really did not find anything. Is there any convenient PHP library for working with the external interface of billing systems, such as:
* Avangate;
*PayPal;
* Plimus (BlueSnap);
*RevenueWire?
All I need is to transfer data about the purchased product to the billing side and receive a response about the payment processing (I do not need to transfer card data, etc. - this happens on the billing provider side). Who faced, help, please. Thank you.

Answer 1

jmsyst.com/bundles/JMSPaymentCoreBundle (unfortunately I don't remember plans to split into a separate library, but it would be nice).
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