使用 PHP 将用户信用卡号发送到打印机
我对此感到好奇有一段时间了，但始终找不到任何好的信息。我曾经在一家网上订购的披萨店工作。用户将提交他们的卡信息，我们将在商店运行它。我想知道是否有人可以告诉我这笔交易是如何发生的。如果它符合 PCI 标准，以及如何将其发送到打印机。我可以想到几种方法，但似乎没有一个是真正正确的方法。我想用 PHP 来做这件事。谢谢。
I've been curious about this for awhile and could never find any good information. I used to work at a pizza place that did online ordering. The user would submit their card information and we would run it at the store. I was wondering if someone could give me an idea as to how this transaction took place. If it was PCI compliant, and how it would be sent to the printer. I could think of a couple ways but none of them really seem to be the correct way. I'm looking to do this in PHP. Thanks.
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如果我在哪里设计这个系统，它会是这样的：
根据 Chris 的建议进行了更新
If I where to design this system it would be like this:
Updated with Chris's suggestion
另一种选择是使用 PGP 使用公钥对服务器上的信用卡进行编码。当CC发送到商店时，可以使用私钥对其进行解码并查看以对其进行充电。但是，当您像这样传递信用卡信息时，您总是面临出现严重错误的风险。最好使用网关并立即向卡收费或授权交易，然后返回并通过运行授权号收取资金。
Another option is to use PGP to encode the credit card on the server with the public key. When the CC is sent to the store, it can the be decoded with the Private Key and viewed in order to charge it. But when you are passing credit card information around like that, you always run the risk of something going terribly wrong. It's always better to use a gateway and charge the card immediately or authorize the transaction and then go back and collect the funds by running the authorization number.