Send a file to a browser

download.php

<?php


public function download()
{
	header('Content-Description: File Transfer');
	header('Content-Type: application/octet-stream');
	header('Content-Disposition: attachment; filename="'.basename($file).'"');
	header('Content-Transfer-Encoding: binary');
	header('Connection: Keep-Alive');
	header('Expires: 0');
	header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
	header('Pragma: public');
	header('Content-Length: '.filesize($file));			       
  
	readfile($file);
}