PHP安装memcached扩展笔记

# 安装服务端
yum install memcached -y

cd /tmp
wget https://launchpad.net/libmemcached/1.0/1.0.18/+download/libmemcached-1.0.18.tar.gz
tar zxf libmemcached-1.0.18.tar.gz
cd libmemcached-1.0.18
./configure
make
make install

在PECL中你能找到以下两个容易混淆的memcache的PHP扩展，你能够分清楚他们的区别吗？你知道为什么我们要用前者吗？请读者紫星Google之！
memcached PHP extension for interfacing with memcached via libmemcached library
memcache memcached extension

mkdir /usr/src/php -p
cd /usr/src/php
wget https://pecl.php.net/get/memcached -O memcached-2.2.0.tgz
tar xf memcached-2.2.0.tgz
cd memcached-2.2.0
phpize
# 我们在配置的添加一些新的功能，使其支持json和igbinary，有空可以研究一下
./configure --enable-memcached --enable-memcached-json --enable-memcached-igbinary
make
make install
# 注意最后的输出
# Installing shared extensions:     /usr/local/php/lib/php/extensions/no-debug-non-zts-20131226/

cp /usr/local/php/lib/php/extensions/no-debug-non-zts-20131226/*.so /usr/local/php/lib/php/extensions/

vim /usr/local/php/etc/php.ini

# 添加以下配置
[Memcached]
extension=memcached.so