https://github.com/arnaud-lb/php-rdkafka  //php-rdkafka下载地址

https://github.com/edenhill/librdkafka  //librdkafka地址

# unzip librdkafka-master.zip 
# cd librdkafka-master
# ./configure
# make && make install

unzip php-rdkafka-master.zip
# cd php-rdkafka-master
# phpize
# ./configure --with-php-config=/usr/local/php/bin/php-config 
# make && make install

Installing shared extensions:     /usr/local/php/lib/php/extensions/no-debug-non-zts-20170718/  //so地址
# vim /usr/local/php/etc/php.ini   //添加下面代码
extension=/usr/local/php/lib/php/extensions/no-debug-non-zts-20170718/rdkafka.so
# service php-fpm restart  //重启PHP

 <?php
    $rk = new RdKafka\Producer();
    $rk->setLogLevel(LOG_DEBUG);
    $rk->addBrokers("ip:9092");       
    $topic = $rk->newTopic("test");
    $topic->produce(RD_KAFKA_PARTITION_UA, 0, "要发送的消息");

<?php
    $rk = new RdKafka\Consumer();
    $rk->setLogLevel(LOG_DEBUG);
    $rk->addBrokers("ip");
    $topic = $rk->newTopic("test");
    $topic->consumeStart(0, RD_KAFKA_OFFSET_BEGINNING);
    while(true){
        sleep(1);
        $msg = $topic->consume(0, 1000);
        if ($msg) {
            echo $msg->payload, "\n";
        }          
    }