define('ROOT', dirname(__FILE__).'/');
$file_patch = ( ROOT . "result.txt" );
$file_name = ( "result.txt" );
header ("Content-Type: application/octet-stream");
header ("Accept-Ranges: bytes");
header ("Content-Length: ".filesize($file_patch));
header ("Content-Disposition: attachment; filename=".$file_name);
readfile($file_patch);