[root@localhost ~]# wget http://download.redis.io/releases/redis-3.0.6.tar.gz
[root@localhost ~]# tar xzf redis-3.0.6.tar.gz
[root@localhost ~]# cd redis-3.0.6
[root@localhost redis-3.0.6]# make
[root@localhost redis-3.0.6]# src/redis-server

[root@localhost redis-3.0.6]# src/redis-cli
127.0.0.1:6379> set key val
OK
127.0.0.1:6379> get key
"val"
127.0.0.1:6379> del key
(integer) 1
127.0.0.1:6379> exists key
(integer) 0

[root@localhost ~]# unzip phpredis-develop.zip
[root@localhost ~]# cd phpredis-develop
[root@localhost phpredis-develop]# phpize
[root@localhost phpredis-develop]# ./configure
[root@localhost phpredis-develop]# make && make install

vi /etc/php.ini

extension=redis.so

service httpd restart

<"11111111111");
$result = $redis->get('test');
var_dump($result);//结果：string(11) "11111111111"
$redis->delete('test');
$redis->sadd("test","111");//往test集合中添加一个元素 111
$redis->sadd("test","222");
$redis->sadd("test","333");
$redis->sadd("test1","111");
$redis->sadd("test1","444");
//将集合test和集合test1的并集存进一个新集合new
var_dump($redis->sinterstore('new',"test","test1")); //结果：int(1)
//返回集合元素
var_dump($redis->smembers('new')); //结果:array(1) { [0]=> string(3) "111" }
?>