WeChat QR payment mode 2 callback

The callback address I set in row 49 is not in the past. I am calling log. I don't know where the log is to be played. please give me some guidance and go to the callback page, I also want to do some database operations. how can I do this?

The callback address I set in row 49 is not in the past. I am calling log. I don't know where the log is to be played. please give me some guidance and go to the callback page, I also want to do some database operations. how can I do this?

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The callback address I set in row 49 is not in the past. I am calling log. I don't know where the log is to be played. please give me some guidance and go to the callback page, I also want to do some database operations. how can I do this?

Print $ input $ result and check whether the error is returned or the result is successful. php file_get_contents ('php: // input'); receives the returned xml data, writes the data into a log or txt file, and then how to operate the database is your logic.

If your address is correct, set it.

Set the authorization directory above