php rdkafka安装的方法：首先下载安装librdkafka；然后安装php-rdkafka扩展；最后在php.ini中写入“extension=rdkafka.so”即可。
本文操作环境：windows7系统、php7.0版，DELL G3电脑
php-rdkafka 扩展安装
php有两种方式调用kafka
php-rdkafka
文档地址：https://arnaud-lb.github.io/php-rdkafka/phpdoc/book.rdkafka.html
rdkafka安装需要依赖librdkafka所以我们需要先安装librdkafka
下载地址http://pecl.php.net/package/rdkafka
立即学习“PHP免费学习笔记（深入）”；
git clone https://github.com/edenhill/librdkafka.git cd librdkafka ./configure make && make install
安装php-rdkafka扩展
git clone https://github.com/arnaud-lb/php-rdkafka.git cd php-rdkafka phpize ./configure --with-php-config=/usr/local/php7.0/bin/php-config make && make install
然后在php.ini写入
extension = rdkafka.so
kafka-php 扩展包
文档地址：https://github.com/weiboad/kafka-php
简单示例
生成者
setLogLevel(LOG_DEBUG);
$rk->addBrokers("192.168.2.152");
$topic = $rk->newTopic("shop");
for ($i = 0; $i < 10; $i++) {
$topic->produce(RD_KAFKA_PARTITION_UA, 0, "发送信息： $i");
$rk->poll(0);
}
while ($rk->getOutQLen() > 0) {
$rk->poll(50);
}
?>消费者
set('group.id', 'myConsumerGroup');
$rk = new RdKafka\Consumer($conf);
$rk->addBrokers("192.168.2.150:9092");
$topicConf = new RdKafka\TopicConf();
$topicConf->set('auto.commit.interval.ms', 100);
$topicConf->set('offset.store.method', 'file');
$topicConf->set('offset.store.path', sys_get_temp_dir());
$topicConf->set('auto.offset.reset', 'smallest');
$topic = $rk->newTopic("shop", $topicConf);
// Start consuming partition 0
$topic->consumeStart(0, RD_KAFKA_OFFSET_STORED);
while (true) {
$message = $topic->consume(0, 120*10000);
switch ($message->err) {
case RD_KAFKA_RESP_ERR_NO_ERROR:
//没有错误打印信息
var_dump($message);
break;
case RD_KAFKA_RESP_ERR__PARTITION_EOF:
echo "等待接收信息\n";
break;
case RD_KAFKA_RESP_ERR__TIMED_OUT:
echo "超时\n";
break;
default:
throw new \Exception($message->errstr(), $message->err);
break;
}
}
?>
推荐学习：《PHP视频教程》
