想了解centos系统为php安装memcached扩展步骤的相关内容吗，在本文为您仔细讲解php安装memcached扩展的相关知识和一些Code实例，欢迎阅读和指正，我们先划重点：centos,memcached扩展，下面大家一起来学习吧。
1. 通过yum安装
yum -y install memcached
#安装完成后执行:
memcached -h
#出现memcached帮助信息说明安装成功
2. 加入启动服务
chkconfig --level 2345 memcached on
3. 配置Memcached
vim /etc/sysconfig/memcached
#文件中内容如下，按需要修改:
PORT="11211" #端口
USER="root" #用户名
MAXCONN="1024" #最大连接数
CACHESIZE="64" #内存大小
OPTIONS="" #附加参数
4. 安装libmemached
wget https://launchpad.net/libmemcached/1.0/1.0.16/+download/libmemcached-1.0.16.tar.gz
tar -zxvf libmemcached-1.0.16.tar.gz
cd libmemcached-1.0.16
./configure -prefix=/usr/local/libmemcached -with-memcached
make && make install
5. 安装php-devel
yum install php-devel
6. 安装PHP Memcached扩展
wget http://pecl.php.net/get/memcached-2.1.0.tgz
tar -zxvf memcached-2.1.0.tgz
cd memcached-2.1.0
/usr/local/php/bin/phpize
./configure -enable-memcached -with-php-config=/usr/local/php/bin/php-config -with-zlib-dir -with-libmemcached-dir=/usr/local/libmemcached -prefix=/usr/local/phpmemcached
make && make install
