Nitmedia\Wkhtml2pdf\Wkhtml2pdf::output PHP 메소드

    public function output($mode, $filename = '')
    {
        switch ($mode) {
            case self::MODE_DOWNLOAD:
                if (!headers_sent()) {
                    $result = $this->_render();
                    header("Content-Description: File Transfer");
                    header("Cache-Control: public; must-revalidate, max-age=0");
                    // HTTP/1.1
                    header("Pragme: public");
                    header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
                    // Date in the past
                    header("Last-Modified: " . gmdate('D, d m Y H:i:s') . " GMT");
                    header("Content-Type: application/force-download");
                    header("Content-Type: application/octet-stream", false);
                    header("Content-Type: application/download", false);
                    header("Content-Type: application/pdf", false);
                    header('Content-Disposition: attachment; filename="' . basename($filename) . '";');
                    header("Content-Transfer-Encoding: binary");
                    header("Content-Length:" . strlen($result));
                    echo $result;
                    $this->_deleteFile();
                    exit;
                } else {
                    throw new Exception("Headers already sent");
                }
                break;
            case self::MODE_STRING:
                return $this->_render();
                break;
            case self::MODE_EMBEDDED:
                if (!headers_sent()) {
                    $result = $this->_render();
                    header("Content-type: application/pdf");
                    header("Cache-control: public, must-revalidate, max-age=0");
                    // HTTP/1.1
                    header("Pragme: public");
                    header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
                    // Date in the past
                    header("Last-Modified: " . gmdate('D, d m Y H:i:s') . " GMT");
                    header("Content-Length: " . strlen($result));
                    header('Content-Disposition: inline; filename="' . basename($filename) . '";');
                    echo $result;
                    $this->_deleteFile();
                    exit;
                } else {
                    throw new Exception("Headers already sent");
                }
                break;
            case self::MODE_SAVE:
                file_put_contents($filename, $this->_render());
                $this->_deleteFile();
                break;
            default:
                throw new Exception("Mode: " . $mode . " is not supported");
        }
        return TRUE;
    }