PHP操作redis

//实例化redis ???$redis = new Redis(); ???//连接 ???$redis->connect(‘127.0.0.1‘, 6379); ???//检测是否连接成功 ???echo "Server is running: " . $redis->ping(); ???// 输出结果 Server is running: +PONG

// 设置一个字符串的值 ???$redis->set(‘cat‘, 111); ???//获取一个字符串的值 ???echo $redis->get(‘cat‘); // 111 ???// 重复set ???$redis->set(‘cat‘, 222); ???echo $redis->get(‘cat‘); // 222

//列表 ???//存储数据到列表中 ???$redis->lpush(‘list‘, ‘html‘); ???$redis->lpush(‘list‘, ‘css‘); ???$redis->lpush(‘list‘, ‘php‘); ???//获取列表中所有的值 ???$list = $redis->lrange(‘list‘, 0, -1); ???print_r($list);echo ‘<br>‘; ????//从右侧加入一个 ???$redis->rpush(‘list‘, ‘mysql‘); ???$list = $redis->lrange(‘list‘, 0, -1); ???print_r($list);echo ‘<br>‘; ???//从左侧弹出一个 ???$redis->lpop(‘list‘); ???$list = $redis->lrange(‘list‘, 0, -1); ???print_r($list);echo ‘<br>‘; ???//从右侧弹出一个 ???$redis->rpop(‘list‘); ???$list = $redis->lrange(‘list‘, 0, -1); ???print_r($list);echo ‘<br>‘; ???// 结果 ???// Array ( [0] => php [1] => css [2] => html ) ???// Array ( [0] => php [1] => css [2] => html [3] => mysql ) ???// Array ( [0] => css [1] => html [2] => mysql ) ???// Array ( [0] => css [1] => html )

<?php ???//实例化redis ???$redis = new Redis(); ???//连接 ???$redis->connect(‘127.0.0.1‘, 6379); ???//列表 ???//存储数据到列表中 ???$redis->lpush(‘list‘, ‘html‘); ???$redis->lpush(‘list‘, ‘css‘); ???$redis->lpush(‘list‘, ‘php‘); ???$redis->lpush(‘list‘, ‘mysql‘); ???$redis->lpush(‘list‘, ‘javascript‘); ???$redis->lpush(‘list‘, ‘ajax‘); ???//获取列表中所有的值 ???$list = $redis->lrange(‘list‘, 0, -1); ???print_r($list);echo ‘<br>‘; ????//获取列表的长度 ???$length = $redis->lsize(‘list‘); ???echo $length;echo ‘<br>‘; ???//返回列表key中index位置的值 ???echo $redis->lget(‘list‘, 2);echo ‘<br>‘; ???echo $redis->lindex(‘list‘, 2);echo ‘<br>‘; ???//设置列表中index位置的值 ???echo $redis->lset(‘list‘, 2, ‘linux‘);echo ‘<br>‘; ???$list = $redis->lrange(‘list‘, 0, -1); ???print_r($list);echo ‘<br>‘; ???//返回key中从start到end位置间的元素 ???$list = $redis->lrange(‘list‘, 0, 2); ???print_r($list);echo ‘<br>‘; ???$list = $redis->lgetrange(‘list‘, 0, 2); ???print_r($list);echo ‘<br>‘; ???//截取链表中start到end的元素　　　　//截取列表后列表发生变化,列表保留截取的元素,其余的删除 ???$list = $redis->ltrim(‘list‘, 0, 1); ???print_r($list);echo ‘<br>‘; ???????$list = $redis->lrange(‘list‘, 0, -1); ???print_r($list);echo ‘<br>‘; ???// 结果 ???// Array ( [0] => ajax [1] => javascript [2] => mysql [3] => php [4] => css [5] => html ) ???// 6 ???// mysql ???// mysql ???// 1 ???// Array ( [0] => ajax [1] => javascript [2] => linux [3] => php [4] => css [5] => html ) ???// Array ( [0] => ajax [1] => javascript [2] => linux ) ???// Array ( [0] => ajax [1] => javascript [2] => linux ) ???// 1 ???// Array ( [0] => ajax [1] => javascript )

<?php ???//实例化redis ???$redis = new Redis(); ???//连接 ???$redis->connect(‘127.0.0.1‘, 6379); ???//列表 ???//存储数据到列表中 ???$redis->lpush(‘list‘, ‘html‘); ???$redis->lpush(‘list‘, ‘html‘); ???$redis->lpush(‘list‘, ‘html‘); ???$redis->lpush(‘list‘, ‘css‘); ???$redis->lpush(‘list‘, ‘php‘); ???$redis->lpush(‘list‘, ‘mysql‘); ???$redis->lpush(‘list‘, ‘javascript‘); ???$redis->lpush(‘list‘, ‘html‘); ???$redis->lpush(‘list‘, ‘html‘); ???$redis->lpush(‘list‘, ‘html‘); ???$redis->lpush(‘list‘, ‘ajax‘); ???//获取列表中所有的值 ???$list = $redis->lrange(‘list‘, 0, -1); ???print_r($list);echo ‘<br>‘; ????//删除列表中count个值为value的元素 ???//从左向右删 ???$redis->lrem(‘list‘, ‘html‘, 2); ???$list = $redis->lrange(‘list‘, 0, -1); ???print_r($list);echo ‘<br>‘; ????????//从右向左删 ???$redis->lrem(‘list‘, ‘html‘, -2); ???$list = $redis->lrange(‘list‘, 0, -1); ???print_r($list);echo ‘<br>‘; ????//删除所有 ???$redis->lrem(‘list‘, ‘html‘, 0); ???$list = $redis->lrange(‘list‘, 0, -1); ???print_r($list);echo ‘<br>‘; ???// 结果 ???// Array ( [0] => ajax [1] => html [2] => html [3] => html [4] => javascript [5] => mysql [6] => php [7] => css [8] => html [9] => html [10] => html ) ???// Array ( [0] => ajax [1] => html [2] => javascript [3] => mysql [4] => php [5] => css [6] => html [7] => html [8] => html ) ???// Array ( [0] => ajax [1] => html [2] => javascript [3] => mysql [4] => php [5] => css [6] => html ) ???// Array ( [0] => ajax [1] => javascript [2] => mysql [3] => php [4] => css )

<?php ???//实例化redis ???$redis = new Redis(); ???//连接 ???$redis->connect(‘127.0.0.1‘, 6379); ???//字典 ???//给hash表中某个key设置value ???//如果没有则设置成功,返回1,如果存在会替换原有的值,返回0,失败返回0 ???echo $redis->hset(‘hash‘, ‘cat‘, ‘cat‘);echo ‘<br>‘; ???echo $redis->hset(‘hash‘, ‘cat‘, ‘cat‘);echo ‘<br>‘; ???echo $redis->hset(‘hash‘, ‘cat‘, ‘cat1‘);echo ‘<br>‘; ???echo $redis->hset(‘hash‘, ‘dog‘, ‘dog‘);echo ‘<br>‘; ???echo $redis->hset(‘hash‘, ‘bird‘, ‘bird‘);echo ‘<br>‘; ???echo $redis->hset(‘hash‘, ‘monkey‘, ‘monkey‘);echo ‘<br>‘; ???//获取hash中某个key的值 ???echo $redis->hget(‘hash‘, ‘cat‘);echo ‘<br>‘; ???//获取hash中所有的keys ???$arr = $redis->hkeys(‘hash‘); ???print_r($arr);echo ‘<br>‘; ???//获取hash中所有的值 顺序是随机的 ???$arr = $redis->hvals(‘hash‘); ???print_r($arr);echo ‘<br>‘; ???//获取一个hash中所有的key和value 顺序是随机的 ???$arr = $redis->hgetall(‘hash‘); ???print_r($arr);echo ‘<br>‘; ???//获取hash中key的数量 ???echo $redis->hlen(‘hash‘);echo ‘<br>‘; ???//删除hash中一个key 如果表不存在或key不存在则返回false ???echo $redis->hdel(‘hash‘, ‘dog‘);echo ‘<br>‘; ???var_dump($redis->hdel(‘hash‘, ‘rabbit‘));echo ‘<br>‘; ???// 结果 ???// 1 ???// 0 ???// 0 ???// 1 ???// 1 ???// 1 ???// cat1 ???// Array ( [0] => cat [1] => dog [2] => bird [3] => monkey ) ???// Array ( [0] => cat1 [1] => dog [2] => bird [3] => monkey ) ???// Array ( [cat] => cat1 [dog] => dog [bird] => bird [monkey] => monkey ) ???// 4 ???// 1 ???// int(0)

<?php ???//实例化redis ???$redis = new Redis(); ???//连接 ???$redis->connect(‘127.0.0.1‘, 6379); ???//字典 ???//批量设置多个key的值 ???$arr = [1=>1, 2=>2, 3=>3, 4=>4, 5=>5]; ???$redis->hmset(‘hash‘, $arr); ???print_r($redis->hgetall(‘hash‘));echo ‘<br>‘; ???// 批量获得额多个key的值 ???$arr = [1, 2, 3, 5]; ???$hash = $redis->hmget(‘hash‘, $arr); ???print_r($hash);echo ‘<br>‘; ???//检测hash中某个key知否存在 ???echo $redis->hexists(‘hash‘, ‘1‘);echo ‘<br>‘; ???var_dump($redis->hexists(‘hash‘, ‘cat‘));echo ‘<br>‘; ???print_r($redis->hgetall(‘hash‘));echo ‘<br>‘; ???//给hash表中key增加一个整数值 ???$redis->hincrby(‘hash‘, ‘1‘, 1); ???print_r($redis->hgetall(‘hash‘));echo ‘<br>‘; ???//给hash中的某个key增加一个浮点值 ???$redis->hincrbyfloat(‘hash‘, 2, 1.3); ???print_r($redis->hgetall(‘hash‘));echo ‘<br>‘; ???//结果 ???// Array ( [1] => 1 [2] => 2 [3] => 3 [4] => 4 [5] => 5 ) ???// Array ( [1] => 1 [2] => 2 [3] => 3 [5] => 5 ) ???// 1 ???// bool(false) ???// Array ( [1] => 1 [2] => 2 [3] => 3 [4] => 4 [5] => 5 ) ???// Array ( [1] => 2 [2] => 2 [3] => 3 [4] => 4 [5] => 5 ) ???// Array ( [1] => 2 [2] => 3.3 [3] => 3 [4] => 4 [5] => 5 )

<?php ???//实例化redis ???$redis = new Redis(); ???//连接 ???$redis->connect(‘127.0.0.1‘, 6379); ???//集合 ???// 添加一个元素 ???echo $redis->sadd(‘set‘, ‘cat‘);echo ‘<br>‘; ???echo $redis->sadd(‘set‘, ‘cat‘);echo ‘<br>‘; ???echo $redis->sadd(‘set‘, ‘dog‘);echo ‘<br>‘; ???echo $redis->sadd(‘set‘, ‘rabbit‘);echo ‘<br>‘; ???echo $redis->sadd(‘set‘, ‘bear‘);echo ‘<br>‘; ???echo $redis->sadd(‘set‘, ‘horse‘);echo ‘<br>‘; ???// 查看集合中所有的元素 ???$set = $redis->smembers(‘set‘); ???print_r($set);echo ‘<br>‘; ???//删除集合中的value ???echo $redis->srem(‘set‘, ‘cat‘);echo ‘<br>‘; ???var_dump($redis->srem(‘set‘, ‘bird‘));echo ‘<br>‘; ???$set = $redis->smembers(‘set‘); ???print_r($set);echo ‘<br>‘; ???//判断元素是否是set的成员 ???var_dump($redis->sismember(‘set‘, ‘dog‘));echo ‘<br>‘; ???var_dump($redis->sismember(‘set‘, ‘bird‘));echo ‘<br>‘; ???//查看集合中成员的数量 ???echo $redis->scard(‘set‘);echo ‘<br>‘; ???//移除并返回集合中的一个随机元素(返回被移除的元素) ???echo $redis->spop(‘set‘);echo ‘<br>‘; ???print_r($redis->smembers(‘set‘));echo ‘<br>‘; ???// 结果 ???// 1 ???// 0 ???// 1 ???// 1 ???// 1 ???// 1 ???// Array ( [0] => rabbit [1] => cat [2] => bear [3] => dog [4] => horse ) ???// 1 ???// int(0) ???// Array ( [0] => dog [1] => rabbit [2] => horse [3] => bear ) ???// bool(true) ???// bool(false) ???// 4 ???// bear ???// Array ( [0] => dog [1] => rabbit [2] => horse )

<?php ???//实例化redis ???$redis = new Redis(); ???//连接 ???$redis->connect(‘127.0.0.1‘, 6379); ???//集合 ???$redis->sadd(‘set‘, ‘horse‘); ???$redis->sadd(‘set‘, ‘cat‘); ???$redis->sadd(‘set‘, ‘dog‘); ???$redis->sadd(‘set‘, ‘bird‘); ???$redis->sadd(‘set2‘, ‘fish‘); ???$redis->sadd(‘set2‘, ‘dog‘); ???$redis->sadd(‘set2‘, ‘bird‘); ???print_r($redis->smembers(‘set‘));echo ‘<br>‘; ???print_r($redis->smembers(‘set2‘));echo ‘<br>‘; ???//返回集合的交集 ???print_r($redis->sinter(‘set‘, ‘set2‘));echo ‘<br>‘; ???//执行交集操作 并结果放到一个集合中 ???$redis->sinterstore(‘output‘, ‘set‘, ‘set2‘); ???print_r($redis->smembers(‘output‘));echo ‘<br>‘; ???//返回集合的并集 ???print_r($redis->sunion(‘set‘, ‘set2‘));echo ‘<br>‘; ???//执行并集操作 并结果放到一个集合中 ???$redis->sunionstore(‘output‘, ‘set‘, ‘set2‘); ???print_r($redis->smembers(‘output‘));echo ‘<br>‘; ???//返回集合的差集 ???print_r($redis->sdiff(‘set‘, ‘set2‘));echo ‘<br>‘; ???//执行差集操作 并结果放到一个集合中 ???$redis->sdiffstore(‘output‘, ‘set‘, ‘set2‘); ???print_r($redis->smembers(‘output‘));echo ‘<br>‘; ???// 结果 ???// Array ( [0] => cat [1] => dog [2] => bird [3] => horse ) ???// Array ( [0] => bird [1] => dog [2] => fish ) ???// Array ( [0] => bird [1] => dog ) ???// Array ( [0] => dog [1] => bird ) ???// Array ( [0] => cat [1] => dog [2] => bird [3] => horse [4] => fish ) ???// Array ( [0] => cat [1] => dog [2] => bird [3] => horse [4] => fish ) ???// Array ( [0] => horse [1] => cat ) ???// Array ( [0] => horse [1] => cat )

<?php ???//实例化redis ???$redis = new Redis(); ???//连接 ???$redis->connect(‘127.0.0.1‘, 6379); ???//有序集合 ???//添加元素 ???echo $redis->zadd(‘set‘, 1, ‘cat‘);echo ‘<br>‘; ???echo $redis->zadd(‘set‘, 2, ‘dog‘);echo ‘<br>‘; ???echo $redis->zadd(‘set‘, 3, ‘fish‘);echo ‘<br>‘; ???echo $redis->zadd(‘set‘, 4, ‘dog‘);echo ‘<br>‘; ???echo $redis->zadd(‘set‘, 4, ‘bird‘);echo ‘<br>‘; ???????//返回集合中的所有元素 ???print_r($redis->zrange(‘set‘, 0, -1));echo ‘<br>‘; ???print_r($redis->zrange(‘set‘, 0, -1, true));echo ‘<br>‘; ???//返回元素的score值 ???echo $redis->zscore(‘set‘, ‘dog‘);echo ‘<br>‘; ???//返回存储的个数 ???echo $redis->zcard(‘set‘);echo ‘<br>‘; ???//删除指定成员 ???$redis->zrem(‘set‘, ‘cat‘); ???print_r($redis->zrange(‘set‘, 0, -1));echo ‘<br>‘; ???//返回集合中介于min和max之间的值的个数 ???print_r($redis->zcount(‘set‘, 3, 5));echo ‘<br>‘; ???//返回有序集合中score介于min和max之间的值 ???print_r($redis->zrangebyscore(‘set‘, 3, 5));echo ‘<br>‘; ???print_r($redis->zrangebyscore(‘set‘, 3, 5, [‘withscores‘=>true]));echo ‘<br>‘; ???//返回集合中指定区间内所有的值 ???print_r($redis->zrevrange(‘set‘, 1, 2));echo ‘<br>‘; ???print_r($redis->zrevrange(‘set‘, 1, 2, true));echo ‘<br>‘; ???//有序集合中指定值的socre增加 ???echo $redis->zscore(‘set‘, ‘dog‘);echo ‘<br>‘; ???$redis->zincrby(‘set‘, 2, ‘dog‘); ???echo $redis->zscore(‘set‘, ‘dog‘);echo ‘<br>‘; ???//移除score值介于min和max之间的元素 ???print_r($redis->zrange(‘set‘, 0, -1, true));echo ‘<br>‘; ???print_r($redis->zremrangebyscore(‘set‘, 3, 4));echo ‘<br>‘; ???print_r($redis->zrange(‘set‘, 0, -1, true));echo ‘<br>‘; ???//结果 ???// 1 ???// 0 ???// 0 ???// 0 ???// 0 ???// Array ( [0] => cat [1] => fish [2] => bird [3] => dog ) ???// Array ( [cat] => 1 [fish] => 3 [bird] => 4 [dog] => 4 ) ???// 4 ???// 4 ???// Array ( [0] => fish [1] => bird [2] => dog ) ???// 3 ???// Array ( [0] => fish [1] => bird [2] => dog ) ???// Array ( [fish] => 3 [bird] => 4 [dog] => 4 ) ???// Array ( [0] => bird [1] => fish ) ???// Array ( [bird] => 4 [fish] => 3 ) ???// 4 ???// 6 ???// Array ( [fish] => 3 [bird] => 4 [dog] => 6 ) ???// 2 ???// Array ( [dog] => 6 )