Read and understand these, should help you: https://www.php.net/manual/en/language.types.array.php Basically its databasecolumnname get param is not defined (set) causing the query to fail also. On Fri, Jun 9, 2023 at 5:06 AM e-letter <inpost@xxxxxxxxx> wrote: > Readers, > > Suppose: > > $query=$_GET['databasecolumn'[; > > $anotherquery=pg_query($databaseconnection, 'SELECT * FROM > databasename WHERE databasecolumnname="'.$query.';"'); > > Two errors are reported: > > PHP Notice: Undefined index: databasecolumnname > > PHP Warning: pg_query(): Query failed: ERROR: column ";" does not exist > > Any advice please? > > -- > PHP Database Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > >
