How to upload and download a vcf format file to the database.

[learner001]

i have imported a vcf file to the database but i am not able to export the vcf file. the code that i am using is

<?

$host="xample.com";
$uname="abc";
$pass="abc";
$database = "emp"; 

$connection=mysql_connect($host,$uname,$pass); 

echo mysql_error();

//or die("Database Connection Failed");
$selectdb=mysql_select_db($database) or 
die("Database could not be selected"); 
$result=mysql_select_db($database)
or die("database cannot be selected <br>");

// Fetch Record from Database

$output = "";
$table = "temp"; // Enter Your Table Name 
$sql = mysql_query("select * from $table");
$columns_total = mysql_num_fields($sql);

// Get Records from the table

while ($row = mysql_fetch_array($sql)) {
for ($i = 0; $i < $columns_total; $i++) {
$output .='"'.$row["$i"].'",';
}
$output .="\n";
}

// Download the file

$filename = "myFile.vcf";
header('Content-type: .vcf');
header('Content-Disposition: attachment; filename='.$filename);

echo $output;
exit;
?>

can anyone help me??