建议安装 http://www.runoob.com/memcached/memcached-install.html
wget https://github.com/libevent/libevent/releases/download/release-2.1.8-stable/libevent-2.1.8-stable.tar.gz -c -O libevent-2.1.8-stable.tar.gz
tar -zxvf libevent-2.1.8-stable.tar.gz
cd libevent-2.1.8-stable
./configure --prefix=/usr/local/libevent
make && make install
wget http://www.memcached.org/files/memcached-1.5.13.tar.gz
tar -zxvf memcached-1.5.13.tar.gz
cd memcached-1.5.13
./configure --prefix=/usr/local/memcached --with-libevent=/usr/local/libevent
make && make install
https://pecl.php.net/get/memcached-3.1.2.tgz
tar -zxvf memcached-3.1.2.tgz
cd memcached-3.1.2
/usr/local/php/bin/phpize
./configure --with-php-config=/usr/local/php/bin/php-config
make && make install
vi php.ini 添加 extension=memcached.so
php -m
phpinfo()
