/**
* Sends a file download, invoking the browser's "Save As..." dialog.
*
* Exits after sending. Unlike the HTTP extension version, this function
* also sends Content-Type, Content-Disposition, and "no-cache" headers.
*
* @param string $file Filepath to file to send.
* @param string $filetype File type to send as, default is
* 'application/octet-stream'.
* @param string $filename Optional name to show to user - defaults to
* basename($file).
* @return void
*/
function http_send_file($file, $filetype = 'download', $filename = null)
{
Util::sendFile($file, $filetype, $filename);
}
