backup help messed

[Baabu]

<?php
#PHP CODE
$host = 'localhost';
$dbuser = 'baabu';
$dbpword = 'pass';
$dbname = 'shop';
$backupFile = date("Y-m-d") . ".gz";
# Use system functions: MySQLdump & GZIP to generate compressed backup file
$command = "mysqldump -h$host -u$dbuser -p$dbpword $dbname | gzip> $backupFile";
system($command);
# Start the download process
$len = filesize($backupFile);
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Cache-Control: public"); 
header("Content-Description: File Transfer");
header("Content-Type: application/gzip");
header("Content-Disposition: attachment; filename=$filename;");
header("Content-Transfer-Encoding: binary");
header("Content-Length: ".$len);
@readfile($backupFile);
# Delete the temporary backup file from server
unlink($backupFile);

?>

well here is above code when i try to open up backup.php it starts downloading backup.php not the .gz file can anyone help me out in adding a backup function to my site

Best Regards

Baabu

[s0c0]

I know this doesn't exactly answer your question, but why not create a cronjob to do this?