September 2001
Intermediate to advanced
768 pages
32h 45m
English
Content preview from PHP Functions Essential Reference
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mysql_affected_rows
int mysql_affected_rows([mysql link connection]) Reports the number of rows modified by the last MySQL query.
Returns:
Integer; FALSE on error
Description:
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 ...
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