php7安装memcached扩展

$ wget https://launchpad.net/libmemcached/1.0/1.0.18/+download/libmemcached-1.0.18.tar.gz
$ tar zxvf libmemcached-1.0.18.tar.gz
$ cd libmemcached
$ ./configure --prefix=/usr/local/libmemcached
$ make && make install

$ cd /usr/local/src
$ git clone https://github.com/php-memcached-dev/php-memcached
$ cd php-memcached
$ git checkout php7
$ phpize
$ sudo ./configure --with-libmemcached-dir=/usr/local/libmemcached  --disable-memcached-sasl
$ make
$ make install

$ sudo vim /etc/php/7.0/apache2/php.ini

$ sudo /etc/init.d/apache2 restart

$ sudo /etc/init.d/php7.0-fpm restart

$ sudo /etc/init.d/memcached restart