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This article mainly introduces "the case analysis of the return value of the number of mysqli_affected_rows lines in PHP". In the daily operation, I believe that many people have doubts in the case analysis of the return value of the number of mysqli_affected_rows lines in PHP. Xiaobian consulted all kinds of data and sorted out a simple and easy-to-use operation method. I hope it will be helpful for you to answer the doubt of "the case analysis of the return value of the number of mysqli_affected_rows lines in PHP". Next, please follow the editor to study!

The number of rows affected by update operations in mysqli can be returned in two ways:

1. Returns the number of matching rows

two。 Returns the number of rows affected

By default, the value returned by mysqli_affected_rows is the number of rows affected. If we need to return a matching number of rows, we can initialize the database connection using the mysqli_real_connect function and add the following to the function's flag parameter bit:

MYSQLI_CLIENT_FOUND_ROWS return number of matched rows, not the number of affected rows

Normal format:

The copy code is as follows:

Int mysqli_affected_rows (mysqli link)

Oop format:

The copy code is as follows:

Class mysqli {

Int affected_rows

}

Take a look at the example:

In normal mode, the code is as follows:

The copy code is as follows:

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