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对于自适应支付并行支付，我主要从 Paypal 收到两种不同的状态，即完成和未完成。有问题的是不完整的。这是来自 $_POST 转储的示例：

array (
    'transaction' => 
    array (
    7 => 'Completed',
    6 => 'false',
    8 => 'INV-MY612341Z44L',
    0 => 'USD 11.11',
    5 => 'Completed',
    3 => 'Completed',
    1 => 'Completed',
    9 => 'USD 10.01',
    2 => '8J716621241U839814X',
    4 => 'Completed',
   ),
  'reverse_all_parallel_payments_on_error' => 'false',
  'ipn_notification_url' => 'myurl',
  'verify_sign' => 'An5n123s1Ksasd2wsqso7MWU-AILx45idIbbLL8PRFiTJ',
  'charset' => 'windows-1254',
  'payment_request_date' => 'Fri Mar 27 09:07:29 PDT 2015',
  'sender_email' => 'paypal@mydomain.com',
  'status' => 'INCOMPLETE',

我理解，如果并行支付的状态是 COMPLETE，我可以安全地将所有标记为完成，当它不完整时，我很难解析它，因为 COMPLETE 和 INCOMPLETE 的每个 transaction_id 响应之间没有太大区别。

我如何从https://developer.paypal.com/docs/classic/adaptive-payments/integration-guide/APIPN/获得对 transaction[n].status_for _sender_txn 的简洁响应

交易状态，其中 [n] 是一个从 0 到 5 的数字。对于简单的单收款人付款，此数字将为 0。大于 0 的数字表示在链式和并行付款中向特定收款人付款。可能的值为：

COMPLETED – The sender's transaction has completed
PENDING – The transaction is awaiting further processing
CREATED – The payment request was received; ...
PARTIALLY_REFUNDED– Transaction was partially refunded
DENIED – The transaction was rejected by the receiver
PROCESSING – The transaction is in progress
REVERSED – The payment was returned to the sender
REFUNDED – The payment was refunded
FAILED – The payment failed
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