This is the callback directory
This is the code
Jump to the home page after successful payment. Then the callback does not respond. Is it a problem with my jump?
....After going through 10,000 pitfalls, I am about to succeed. Something went wrong with the callback. . Don't know where it is yet. God, please give me a clear path.
If the callback responds, a certain data in the database will be updated. But after the payment was successful, there was no callback and the database did not respond. God, please show me a clear way. God, please show me a clear way. God, please show me a clear way. Important things must be said three times!
Reply content:
This is the callback directory
This is the code
Jump to the home page after successful payment. Then the callback does not respond. Is it a problem with my jump?
....After going through 10,000 pitfalls, I am about to succeed. Something went wrong with the callback. . Don't know where it is yet. God, please give me a clear path.
If the callback responds, a certain data in the database will be updated. But after the payment was successful, there was no callback and the database did not respond. God, please show me a clear way. God, please show me a clear way. God, please show me a clear way. Important things must be said three times!
The callback function in the second picture cannot be sure of success. It depends on the asynchronous notification url you set in the first picture. After the user pays, WeChat will access the asynchronous notification url you set and send some information back to this page. Parameters, if it doesn’t work, it’s because your URL setting is wrong, or there’s a bug in the callback page. Isn’t there a debugging tool? It’s OK to monitor the callback page
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php怎么读取字符串后几个字符Apr 22, 2022 pm 08:31 PM在php中，可以使用substr()函数来读取字符串后几个字符，只需要将该函数的第二个参数设置为负值，第三个参数省略即可；语法为“substr(字符串,-n)”，表示读取从字符串结尾处向前数第n个字符开始，直到字符串结尾的全部字符。
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