How to install kafka extension in php

# cd /usr/local/src/
# git clone https://github.com/edenhill/librdkafka.git
# cd librdkafka
# ./configure
# make
# make install
# ln -s /usr/local/lib/librdkafka.so.1 /usr/lib/

# cd /usr/local/src/
# git clone https://github.com/arnaud-lb/php-rdkafka.git
# cd php-rdkafka
# /usr/local/php/bin/phpize
# ./configure --with-php-config=/usr/local/php/bin/php-config
# make all -j 5
# make install

三、修改php.ini
# vi /etc/php.ini
##增加如下代码：##
extension=rdkafka.so
##查看是否安装成功：##
# /usr/local/php/bin/php  -m

# service php-fpm restart