wget https://github.com/phpredis/phpredis/archive/php7.zip
cd /usr/local/src/ phpredis-php7
/usr/local/php/bin/phpize
./configure --with-php-config=/usr/local/php/bin/php-config
make && make install
vim /usr/local/php/etc/php.ini
extension=redis.so #php.ini添加
service php-fpm restart
service nginx restart