apa mata anda enak liat beginian?

<?php
session_start();
define('INC', 1);
include "config.php";
error_reporting(1);
$select = "select * from staff_on_call ";
$export = $db->query($select);
/*
mana error controllernya dimana akan dikasi tau kl export gagal ato tidak??
*/
if($export === false){ die('error'); }
$fields = $export->columnCount();
$header=$data='';
for ($i = 0; $i < $fields; $i++) {
    $header .=$export->getColumnMeta($i) . "\t";
}

while($export->rowCount()) {
$line = ''; foreach($row as $value) {
if ((!isset($value)) OR ($value == "")) {
$value = "\t";
} else {
$value = str_replace('"', '""', $value);
$value = '"' . $value . '"' . "\t";
}

$line .= $value;
} // while
$data .= trim($line)."\n";
}

$data = str_replace("\r"," ",$data);
if ($data == "") {
    $data = "n(0) record found!\n";
}else{ }

$tanggal=date("Ymd");
header("Content-type: application/x-msdownload");
header("Content-Disposition: attachment; filename=pendaftar_".$tanggal.".csv");
header("Pragma: no-cache");
header("Expires: 0");
print "$header\n$data";
?>