PHP Snippet 1:
$fp = fopen("php://output", "w");
PHP Snippet 2:
$tmpfname = tempnam("/", "");
$fp = fopen($tmpfname, "w");
PHP Snippet 3:
fclose($fp);
PHP Snippet 4:
fclose($fp);
readfile($tmpfname);
unlink($tmpfname);
PHP Snippet 5:
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename="export.csv"');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize('export.csv'));
readfile($csvFile);
exit;
`put this after` fclose($fp);
