PHP, MySQL - can you distinguish between rows matched and rows affected?

Question

I am trying to write a PHP-MySQL database processor that is somewhat intelligent. When this processor decides it needs to make an update, I want to report if it was really

Answer 1

You can also use the function

$variable = mysql_info();

That function retrieves a string like this:

Rows matched: 1 Changed: 0 Warnings: 0

You can work with strings functions on your variable to extract the substring with the number of rows that matched and you should have it!