$q = "SELECT invoice_id FROM invoices ORDER by invoice_id DESC LIMIT 1";
         $res = pg_query($q);
         if (!$res) {
           $message  = 'Invalid query: ' . pg_last_error() . "\n";
           $message .= 'Whole query: ' . $query;
           die($message);
        }
    $i_id = pg_result_seek($res,0);

do {
    $i = 0;
    if ($_POST['description']) {
    
          $tid = $i;
    
          $descr[$i] = $_POST['description'];
          $qty[$i] = $_POST['qty'];
          $uprice[$i] = $_POST['uprice'];
          $price[$i] = $qty[$i] * $uprice[$i];
    
          $sql = "INSERT into invoices ( invoice_id, tid, descr, qty, uprice, price ) VALUES ( '".$i_id."','".$tid."','".$descr[$i]."','".$qty[$i]."','".$uprice[$i]."','".$price[$i]."' ); ";
    
          $result = pg_query($sql);
           if (!$result) {
             $message  = 'Invalid query: ' . pg_last_error() . "\n";
             $message .= 'Whole query: ' . $sql;
             die($message);
          }
    
          draw_form();
    
          $i = $i + 1;
    
    }
    
    else { draw_form(); }
}

while ($_POST['aline'] == 'yes');

draw_header($i_id);

$sql2 = "SELECT * FROM invoices where invoice_id = '".$i_id."';";
$res2 = pg_query($sql2);
       if (!$res2) {
         $message  = 'Invalid query: ' . pg_last_error() . "\n";
         $message .= 'Whole query: ' . $sql2;
         die($message);
      }

while ($row = pg_fetch_assoc($res2)) {
  ?>
  <tr>
      <td><div align="center"><?=$row['tid'];?></div></td>
      <td><div align="center"><?=$row['descr'];?></div></td>
      <td><div align="center"><?=$row['qty'];?></div></td>
      <td><div align="center"><?=$row['uprice'];?></div></td>
      <td><div align="center"><?=$row['price'];?></div></td>
  </tr>
  <?
  draw_tprice($price);
  ?>
  </table>
  <?
}
?>