> > How does that work considering that mysql_query() only > returns true or false on INSERT? I'd expect the script > to fail on $result not being a valid resource. > I don't know about mysql as I work with MSSQL Server and Informix, but for me it works like this: $insert = ifx_prepare("INSERT INTO my_table VALUES ('0')", $connect_id); ifx_do($insert) or die ("Query failed"); ifx_free_result($insert); By using PREPARE and DO to execute the queries it allows ifx_free_result to release those resources.