Paypal 定期订阅问题 [英] Paypal recurring subscriptions question

问题描述

当有人开始定期订阅时，我会传递 custom 变量，该变量包含我系统上用户的用户 ID.付款后，我收到两个 IPN，subscr_signup 和 subscr_payment.两者都有自定义变量，可以让我识别用户.

When someone starts a recurring subscription, i pass on the custom variable which contains the User ID of the user on my system. After the payment I receive two IPNs, subscr_signup and subscr_payment. Both have the custom variable in them which lets me identify the user.

但是，对于未来的定期付款，IPN 会继续传递自定义变量吗?我应该依赖 subscr_id 而不是自定义吗?

However, for future recurring payments, will the IPN continue to pass on the custom variable? Should I rely on the subscr_id instead of custom?

谢谢.

推荐答案

我从 此页面.是的，自定义变量将始终在每个连续的 IPN 帖子中按原样传递.

I found the answer from this page. Yes, the custom variable will always be passed as-is in every consecutive IPN post.

引用:

自定义通过注册和支付 IPN 帖子传递回来，并通过连续的 IPN 帖子传递回来.没有一个变量在第一个支付 IPN 中传回，而不是在连续的支付中重现.唯一可区分的因素是注册或第一期付款的价格是否不同.

Custom is passed back through both the signup and payment IPN posts and is passed back through the consecutive IPN posts. There is not a variable that is passed back in the first payment IPN that is not reproduced in the consecutive ones. The only distinguishable factor would be the sign-up or if there was a different price for the first period of payment.

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