The expiration dates in AcceptJs.php are not formatted according to the documentation which can result in an error from Authorize.net:
https://developer.authorize.net/api/reference/index.html
The documentation for refunds states this:
For refunds, use XXXX instead of the card expiration date.
The documentation for updating payment profiles states this:
Use XML gYearMonth (YYYY-MM) formatting.
Needs review
1.0
Code
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It's likely this issue predates Contrib.social: some issue and comment data are missing.
We use this patch in a project and it is working as expected.
The patch is only changes what's necessary to meet API requirements and it is consistent, each method now uses the format specified by Authorize.net for that operation. The patch is well-structured and appropriate.
I don't have any suggestion for patch improvements, just confirming that it works