Kafka\SimpleProduce::send PHP Method

    public function send($messages)
    {
        if (empty($this->topic) || empty($messages)) {
            return;
        }
        $requestData = $this->_formatPayload($messages);
        $this->encoder->produceRequest($requestData);
        $response = array();
        if ((int) $this->requiredAck !== 0) {
            // get broker response
            $response = $this->decoder->produceResponse();
        }
        return $response;
    }