fbsql_num_rows()
returns the number of rows in a result set. This command is
only valid for SELECT statements. To retrieve the number of
rows returned from a INSERT, UPDATE or DELETE query, use
fbsql_affected_rows()
.
fbsql_affected_rows()
,
fbsql_connect()
,
fbsql_select_db()
,
fbsql_query()
も参照下さい。