安装redis扩展

wget https://github.com/phpredis/phpredis/archive/2.2.8.tar.gz //下载redis扩展

tar xzf 2.2.8.tar.gz

cd phpredis-2.2.8/ //额外扩展：
whereis phpize
yum install php-devel
/usr/local/php/bin/phpize
./configure –with-php-config=/usr/local/php/bin/php-config
make
make install //接下来：
修改php.ini
文件cd ~vi /etc/php.ini
添加:
extension=redis.so

service php-fpm restart
service nginx restart