Miscellany

<?
if (is_file("files/".$_GET['file']))
{
	$filename = "files/".$_GET['file'];
	$handle = fopen($filename, "rb");
	$contents = fread($handle, filesize($filename));

	$total     = filesize($filepath);
	$blocksize = (2 << 20); //2M chunks
	$sent      = 0;
	fclose($handle);

	// Push headers that tell what kind of file is coming down the pike
	header('Content-type: '.$content_type);
	header('Content-Disposition: attachment; filename='.$filename);
	header('Content-length: '.$filesize * 1024);

	// Now we need to loop through the file and echo out chunks of file data
	// Dumping the whole file fails at > 30M!
	while($sent < $total){
	    echo fread($handle, $blocksize);
	    $sent += $blocksize;
	}

	exit(0);
}
?>