csv_headers("emi_".$filename."_users.csv");
echo $str;exit;
function csv_headers($file_name)
{
	header("Pragma: public");
	header("Expires: 0");
	header("Cache-Control: must-revalidate, post-check=0, pre-check=0"); 
	header("Content-Type: application/force-download");
	header("Content-Type: application/octet-stream");
	header("Content-Type: application/download");
	header("Content-Disposition: attachment; filename=$file_name;");
	header("Content-Transfer-Encoding: binary");
}
exit;