$binary = $row['PDF_FILE_STORED'];
        file_put_contents('my.pdf', $binary);
        header('Content-type: application/pdf');
        header("Content-Transfer-Encoding: Binary");
        header("Content-Length: ".filesize($binary));
        header("Content-Disposition: attachment;filename=my.pdf");
        ob_clean();
        flush();
        echo $binary;