be called immediately after executing a statement with
mysql_stmt_execute(). It is like
mysql_affected_rows() but for
prepared statements. For a description of what the affected-rows
value returned by this function means, See
Section 220.127.116.11, “mysql_affected_rows()”.
This function was added in MySQL 4.1.0.
See the Example in Section 18.104.22.168, “mysql_stmt_execute()”.