sends pdf-file as header through any firewall and browser

php-send-pdf-file-as-header

    /**
     * Prints out the new generated pdf-file as an raw HTTP-header.
     * @link http://reeg.junetz.de/DSP/node16.html
     * @link http://www.php.net/manual/de/function.header.php#88038
     * @return void
     */
    function sendPdfFileAsHeader($pdfFile, $fileName)
    {
        $disposition = (false !== strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE 5.5'))
                            ? ''
                            : 'attachment; ';

        header("Pragma: public");
        header("Expires: 0");
        header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
        header("Cache-Control: private", false);
        header("Content-Type: application/pdf");
        header("Content-Disposition: ".$disposition."filename=".$fileName.";");
        header("Content-Transfer-Encoding: binary");
        readfile($pdfFile);
        echo $pdf;exit;
    } // function

sends pdf-file as header through any firewall and browser - IE6, IE7, IE8, IE9, FF3.6, FF11, Safari, Chrome, Opera