int mysql_affected_rows([mysql link connection])
Reports the number of rows modified by the last MySQL query.
Integer; FALSE on error
mysql_affected_rows() returns a count of the number of rows that were modified by the last MySQL query made using the specified connection . If the connection argument is not set, the last connection opened will be used. If the specified query failed, mysql_affected_rows() returns -1. If an error occurs, FALSE is returned.
mysql_affected_rows() returns the number of rows modified by a query. This means that only queries that actually change a table (such as most DELETE, INSERT, REPLACE, and UPDATE queries) will cause this function to generate a value other than 0. In ...