getContentDisposition example

    public function buildHeaders()
    {
        if (! $this->hasHeader('Content-Type')) {
            $this->setContentTypeByMimeType();
        }

        if (! $this->hasHeader('Content-Disposition')) {
            $this->setHeader('Content-Disposition', $this->getContentDisposition());
        }

        $this->setHeader('Expires-Disposition', '0');
        $this->setHeader('Content-Transfer-Encoding', 'binary');
        $this->setHeader('Content-Length', (string) $this->getContentLength());
        $this->noCache();
    }

    /** * output download file text. * * @return DownloadResponse * * @throws DownloadException */