eZ\Bundle\EzPublishIOBundle\BinaryStreamResponse::sendContent PHP Method

    public function sendContent()
    {
        if (!$this->isSuccessful()) {
            parent::sendContent();
            return;
        }
        if (0 === $this->maxlen) {
            return;
        }
        $out = fopen('php://output', 'wb');
        $in = $this->ioService->getFileInputStream($this->file);
        stream_copy_to_stream($in, $out, $this->maxlen, $this->offset);
        fclose($out);
    }