Miscellany

<?php

$filename = "example.pdf";

@ob_start ();

header ("Cache-Control: ");
header ("Pragma: ");// leave blank to avoid IE errors
header ("Content-type: application/pdf");
header ("Content-Disposition: attachment; filename=\"$filename\"");
header ("Content-Length: " . filesize($filename));

@ob_end_flush ();

readfile_chunked ($filename);

?>