About WeChat Scan Code payment mode two back adjustment problem

I set the callback address 49 lines, feel that there is no past, said to hit log, I do not know where the log hit where good, please God guidance, and there is, to the callback page, I also want to do some database operations, how to fix it?

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I set the callback address 49 lines, feel that there is no past, said to hit log, I do not know where the log hit where good, please God guidance, and there is, to the callback page, I also want to do some database operations, how to fix it?

Print $input $result look, see what error is returned here, or succeed, and then notify.php file_get_contents (' php://input '); It is your logic to receive the returned XML data and then write the data into a log or TXT file, and then how to manipulate the database.

If your address is OK, be sure to set it up.

Set the authorization directory above

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