query($sql); if (!$result) { printf("Errormessage: %s\n", $conn->error); } $rows = array(); while($r = mysqli_fetch_assoc($result)) { $row = array_map('floatval',array_values($r)); $row[0] = $row[0]*1000; $rows[] = $row; } print json_encode($rows); $conn->close(); } } ?>