时间：2021-07-01 10:21:17 帮助过：3人阅读
在 http://www.redis.net.cn/ 能找到所有关于redis的信息，包括安装、命令、在编程语言中的使用等等。这里就不讲如何安装redis了，因为在上面的网站中都能找到。下面直接讲redis是如何在php中使用的，这里我选择的是phpredis扩展。
执行phpinfo()函数，根据下面截图中的“NTS”和“VCn”选择对应的压缩包，https://github.com/phpredis/phpredis/downloads。另外注意，PHP版本也要对应好。
首先把压缩包中的 php_igbinary.dll和php_redis.dll 文件放到PHP安装目录的 ext 目录中
然后在 php.ini 添加如下配置
extension=php_igbinary.dll extension=php_redis.dll
$redis = new Redis(); //连接redis服务器
$redis->connect('127.0.0.1', '6379'); echo "Connection to server sucessfully <br/>"; //查看服务是否运行
echo "Server is running: " . $redis->ping();结果如下，连接redis服务器成功
Connection to server sucessfully Server is running: +PONG
至此，我们可以在php中痛痛快快的使用redis了。
1 $redis = new Redis();
2 //连接redis服务器
3 $redis->connect('127.0.0.1', '6379');
4
5
6 $key = "key";
7 $val = "val";
8
9 //redis key操作
10 $redis->exists($key); //判断key值是否存在
11 $redis->expire($key, 10); //设置key在10秒后过期
12
13 //redis string 字符串
14 $redis->set($key, $val);
15 $redis->incr($key); //key值+1，除非val是整数，否则函数执行失败
16 $redis->decr($key); //key值-1，同上
17 $redis->append($key, "ue"); //追加key值内容
18 $redis->strlen($key); //返回key值的长度
19
20 //当第一次设置key值后，key值的数据类型就不能改变了。
21 $redis->del($key); //删除key值
22
23 //redis hash 哈希
24 $redis->hset($key, 'field1', 'val1'); //设置一个key-value键值对
25 $redis->hmset($key, array('field2'=>'val2', 'field3'=>'val3')); //设置多个k-v键值对26 $redis->hget($key, 'field2'); //获取hash其中的一个键值
27 $redis->hmget($key, array('field2', 'field1')); //获取hash的多个键值
28 $redis->hgetall($key); //获取hash中所有的键值对
29 $redis->hlen($key); //获取hash中键值对的个数
30 $redis->hkeys($key); //获取hash中所有的键
31 $redis->hvals($key); //获取hash中所有的值
32 $redis->del($key); //删除key值
33
34 //redis list 列表
35 $index = $start = 0;
36 $redis->lpush($key, 'val1', 'val2'); //在list的开头添加多个值
37 $redis->lpop($key); //移除并获取list的第一个元素
38 $redis->rpop($key); //移除并获取list的最后一个元素
39 $stop = $redis->llen($key) - 1; //获取list的长度
40 $redis->lindex($key, $index); //通过索引获取list元素
41 $redis->lrange($key, $start, $stop); //获取指定范围内的元素
42
43 $redis->del($key);
44
45 //redis set 无序集合
46 $redis->sadd($key, 'val1', 'val2'); //向集合中添加多个元素
47 $redis->scard($key); //获取集合元素个数
48 $redis->spop($key); //移除并获取集合内随机一个元素
49 $redis->srem($key, 'val1', 'val2'); //移除集合的多个元素
50 $redis->sismember($key, 'val1'); //判断元素是否存在于集合内
51
52 $redis->del($key);
53 //redis sorted set 有序集合
54 //有序集合里的元素都和一个分数score关联，就靠这个分数score对元素进行排序
55 $redis->zadd($key, $score1, $val1, $score2, $val2); //向集合内添加多个元素
56 $redis->zcard($key); //获取集合内元素总数
57 $redis->zcount($key, $minScore, $maxScore); //获取集合内分类范围内的元素
58 $redis->zrem($key, $member1, $member2); //移除集合内多个元素附：Redis类的源码
<?php
/**
* Helper autocomplete for php redis extension
* @author Max Kamashev <max.kamashev@gmail.com>
* @link https://github.com/ukko/phpredis-phpdoc
*
* @method echo string $string Sends a string to Redis, which replies with the same string
*
* @method eval( $script, $args = array(), $numKeys = 0 )
* Evaluate a LUA script serverside
* @param string $script
* @param array $args
* @param int $numKeys
* @return Mixed. What is returned depends on what the LUA script itself returns, which could be a scalar value
* (int/string), or an array. Arrays that are returned can also contain other arrays, if that's how it was set up in
* your LUA script. If there is an error executing the LUA script, the getLastError() function can tell you the
* message that came back from Redis (e.g. compile error).
* @link http://redis.io/commands/eval
* @example
* <pre>
* $redis->eval("return 1"); // Returns an integer: 1
* $redis->eval("return {1,2,3}"); // Returns Array(1,2,3)
* $redis->del('mylist');
* $redis->rpush('mylist','a');
* $redis->rpush('mylist','b');
* $redis->rpush('mylist','c');
* // Nested response: Array(1,2,3,Array('a','b','c'));
* $redis->eval("return {1,2,3,redis.call('lrange','mylist',0,-1)}}");
* </pre>
*
*/
class Redis
{
const AFTER = 'after';
const BEFORE = 'before';
/**
* Options
*/
const OPT_SERIALIZER = 1;
const OPT_PREFIX = 2;
const OPT_READ_TIMEOUT = 3;
const OPT_SCAN = 4;
/**
* Serializers
*/
const SERIALIZER_NONE = 0;
const SERIALIZER_PHP = 1;
const SERIALIZER_IGBINARY = 2;
/**
* Multi
*/
const ATOMIC = 0;
const MULTI = 1;
const PIPELINE = 2;
/**
* Type
*/
const REDIS_NOT_FOUND = 0;
const REDIS_STRING = 1;
const REDIS_SET = 2;
const REDIS_LIST = 3;
const REDIS_ZSET = 4;
const REDIS_HASH = 5;
/**
* Scan
*/
const SCAN_NORETRY = 0;
const SCAN_RETRY = 1;
/**
* Creates a Redis client
*
* @example $redis = new Redis();
*/
public function __construct( ) {}
/**
* Connects to a Redis instance.
*
* @param string $host can be a host, or the path to a unix domain socket
* @param int $port optional
* @param float $timeout value in seconds (optional, default is 0.0 meaning unlimited)
* @return bool TRUE on success, FALSE on error.
* <pre>
* $redis->connect('127.0.0.1', 6379);
* $redis->connect('127.0.0.1'); // port 6379 by default
* $redis->connect('127.0.0.1', 6379, 2.5); // 2.5 sec timeout.
* $redis->connect('/tmp/redis.sock'); // unix domain socket.
* </pre>
*/
public function connect( $host, $port = 6379, $timeout = 0.0 ) {}
/**
* Set the string value in argument as value of the key, with a time to live.
*
* @param string $key
* @param int $ttl in milliseconds
* @param string $value
* @return bool: TRUE if the command is successful.
* @link http://redis.io/commands/setex
* $redis->psetex('key', 100, 'value'); // sets key → value, with 0.1 sec TTL.
*/
public function psetex($key, $ttl, $value) {}
/**
* Scan a set for members.
*
* @see scan()
* @param string $key
* @param int $iterator
* @param string $pattern
* @param int $count
* @return array|bool
*/
public function sScan($key, $iterator, $pattern = '', $count = 0) {}
/**
* Scan the keyspace for keys.
*
* @param int $iterator
* @param string $pattern
* @param int $count How many keys to return in a go (only a sugestion to Redis)
* @return array|bool an array of keys or FALSE if there are no more keys
* @link http://redis.io/commands/scan
* <pre>
* $it = NULL; // Initialize our iterator to NULL
* $redis->setOption(Redis::OPT_SCAN, Redis::SCAN_RETRY); // retry when we get no keys back
* while($arr_keys = $redis->scan($it)) {
* foreach($arr_keys as $str_key) {
* echo "Here is a key: $str_key\n";
* }
* echo "No more keys to scan!\n";
* }
* </pre>
*/
public function scan($iterator, $pattern = '', $count = 0) {}
/**
* Scan a sorted set for members, with optional pattern and count.
*
* @see scan()
* @param string $key
* @param int $iterator
* @param string $pattern
* @param int $count
* @return array|bool
*/
public function zScan($key, $iterator, $pattern = '', $count = 0) {}
/**
* Scan a HASH value for members, with an optional pattern and count.
*
* @see scan()
* @param string $key
* @param int $iterator
* @param string $pattern
* @param int $count
* @return array
*/
public function hScan($key, $iterator, $pattern = '', $count = 0) {}
/**
* Issue the CLIENT command with various arguments.
* @param string $command list | getname | setname | kill
* @param string $arg
* @return mixed
* @link http://redis.io/commands/client-list
* @link http://redis.io/commands/client-getname
* @link http://redis.io/commands/client-setname
* @link http://redis.io/commands/client-kill
* <pre>
* $redis->client('list');
* $redis->client('getname');
* $redis->client('setname', 'somename');
* $redis->client('kill', <ip:port>);
* </pre>
*
*
* CLIENT LIST will return an array of arrays with client information.
* CLIENT GETNAME will return the client name or false if none has been set
* CLIENT SETNAME will return true if it can be set and false if not
* CLIENT KILL will return true if the client can be killed, and false if not
*/
public function client($command, $arg = '') {}
/**
* Access the Redis slow log.
*
* @param string $command get | len | reset
* @return mixed
* @link http://redis.io/commands/slowlog
* <pre>
* // Get ten slowlog entries
* $redis->slowlog('get', 10);
*
* // Get the default number of slowlog entries
* $redis->slowlog('get');
*
* // Reset our slowlog
* $redis->slowlog('reset');
*
* // Retrieve slowlog length
* $redis->slowlog('len');
* </pre>
*/
public function slowlog($command) {}
/**
* @see connect()
* @param string $host
* @param int $port
* @param float $timeout
*/
public function open( $host, $port = 6379, $timeout = 0.0 ) {}
/**
* Connects to a Redis instance or reuse a connection already established with pconnect/popen.
*
* The connection will not be closed on close or end of request until the php process ends.
* So be patient on to many open FD's (specially on redis server side) when using persistent connections on
* many servers connecting to one redis server.
*
* Also more than one persistent connection can be made identified by either host + port + timeout
* or unix socket + timeout.
*
* This feature is not available in threaded versions. pconnect and popen then working like their non persistent
* equivalents.
*
* @param string $host can be a host, or the path to a unix domain socket
* @param int $port optional
* @param float $timeout value in seconds (optional, default is 0 meaning unlimited)
* @return bool TRUE on success, FALSE on ertcnror.
* <pre>
* $redis->connect('127.0.0.1', 6379);
* $redis->connect('127.0.0.1'); // port 6379 by default
* $redis->connect('127.0.0.1', 6379, 2.5); // 2.5 sec timeout.
* $redis->connect('/tmp/redis.sock'); // unix domain socket.
* </pre>
*/
public function pconnect( $host, $port = 6379, $timeout = 0.0 ) {}
/**
* @see pconnect()
* @param string $host
* @param int $port
* @param float $timeout
*/
public function popen( $host, $port = 6379, $timeout = 0.0 ) {}
/**
* Disconnects from the Redis instance, except when pconnect is used.
*/
public function close( ) {}
/**
* Set client option.
*
* @param string $name parameter name
* @param string $value parameter value
* @return bool: TRUE on success, FALSE on error.
* @example
* <pre>
* $redis->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_NONE); // don't serialize data
* $redis->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_PHP); // use built-in serialize/unserialize
* $redis->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_IGBINARY); // use igBinary serialize/unserialize
* $redis->setOption(Redis::OPT_PREFIX, 'myAppName:'); // use custom prefix on all keys
* </pre>
*/
public function setOption( $name, $value ) {}
/**
* Get client option
*
* @param string $name parameter name
* @return int Parameter value.
* @example
* // return Redis::SERIALIZER_NONE, Redis::SERIALIZER_PHP, or Redis::SERIALIZER_IGBINARY.
* $redis->getOption(Redis::OPT_SERIALIZER);
*/
public function getOption( $name ) {}
/**
* Check the current connection status
*
* @return string STRING: +PONG on success. Throws a RedisException object on connectivity error, as described above.
* @link http://redis.io/commands/ping
*/
public function ping( ) {}
/**
* Get the value related to the specified key
*
* @param string $key
* @return string|bool: If key didn't exist, FALSE is returned. Otherwise, the value related to this key is returned.
* @link http://redis.io/commands/get
* @example $redis->get('key');
*/
public function get( $key ) {}
/**
* Set the string value in argument as value of the key.
*
* @param string $key
* @param string $value
* @param int $timeout [optional] Calling setex() is preferred if you want a timeout.
* @return bool: TRUE if the command is successful.
* @link http://redis.io/commands/set
* @example $redis->set('key', 'value');
*/
public function set( $key, $value, $timeout = 0 ) {}
/**
* Set the string value in argument as value of the key, with a time to live.
*
* @param string $key
* @param int $ttl
* @param string $value
* @return bool: TRUE if the command is successful.
* @link http://redis.io/commands/setex
* @example $redis->setex('key', 3600, 'value'); // sets key → value, with 1h TTL.
*/
public function setex( $key, $ttl, $value ) {}
/**
* Set the string value in argument as value of the key if the key doesn't already exist in the database.
*
* @param string $key
* @param string $value
* @return bool: TRUE in case of success, FALSE in case of failure.
* @link http://redis.io/commands/setnx
* @example
* <pre>
* $redis->setnx('key', 'value'); // return TRUE
* $redis->setnx('key', 'value'); // return FALSE
* </pre>
*/
public function setnx( $key, $value ) {}
/**
* Remove specified keys.
*
* @param int|array $key1 An array of keys, or an undefined number of parameters, each a key: key1 key2 key3 ... keyN
* @param string $key2 ...
* @param string $key3 ...
* @return int Number of keys deleted.
* @link http://redis.io/commands/del
* @example
* <pre>
* $redis->set('key1', 'val1');
* $redis->set('key2', 'val2');
* $redis->set('key3', 'val3');
* $redis->set('key4', 'val4');
* $redis->delete('key1', 'key2'); // return 2
* $redis->delete(array('key3', 'key4')); // return 2
* </pre>
*/
public function del( $key1, $key2 = null, $key3 = null ) {}
/**
* @see del()
* @param $key1
* @param null $key2
* @param null $key3
*/
public function delete( $key1, $key2 = null, $key3 = null ) {}
/**
* Enter and exit transactional mode.
*
* @internal param Redis::MULTI|Redis::PIPELINE
* Defaults to Redis::MULTI.
* A Redis::MULTI block of commands runs as a single transaction;
* a Redis::PIPELINE block is simply transmitted faster to the server, but without any guarantee of atomicity.
* discard cancels a transaction.
* @return Redis returns the Redis instance and enters multi-mode.
* Once in multi-mode, all subsequent method calls return the same object until exec() is called.
* @link http://redis.io/commands/multi
* @example
* <pre>
* $ret = $redis->multi()
* ->set('key1', 'val1')
* ->get('key1')
* ->set('key2', 'val2')
* ->get('key2')
* ->exec();
*
* //$ret == array (
* // 0 => TRUE,
* // 1 => 'val1',
* // 2 => TRUE,
* // 3 => 'val2');
* </pre>
*/
public function multi( ) {}
/**
* @see multi()
* @link http://redis.io/commands/exec
*/
public function exec( ) {}
/**
* @see multi()
* @link http://redis.io/commands/discard
*/
public function discard( ) {}
/**
* Watches a key for modifications by another client. If the key is modified between WATCH and EXEC,
* the MULTI/EXEC transaction will fail (return FALSE). unwatch cancels all the watching of all keys by this client.
* @param string | array $key: a list of keys
* @return void
* @link http://redis.io/commands/watch
* @example
* <pre>
* $redis->watch('x');
* // long code here during the execution of which other clients could well modify `x`
* $ret = $redis->multi()
* ->incr('x')
* ->exec();
* // $ret = FALSE if x has been modified between the call to WATCH and the call to EXEC.
* </pre>
*/
public function watch( $key ) {}
/**
* @see watch()
* @link http://redis.io/commands/unwatch
*/
public function unwatch( ) {}
/**
* Subscribe to channels. Warning: this function will probably change in the future.
*
* @param array $channels an array of channels to subscribe to
* @param string | array $callback either a string or an array($instance, 'method_name').
* The callback function receives 3 parameters: the redis instance, the channel name, and the message.
* @link http://redis.io/commands/subscribe
* @example
* <pre>
* function f($redis, $chan, $msg) {
* switch($chan) {
* case 'chan-1':
* ...
* break;
*
* case 'chan-2':
* ...
* break;
*
* case 'chan-2':
* ...
* break;
* }
* }
*
* $redis->subscribe(array('chan-1', 'chan-2', 'chan-3'), 'f'); // subscribe to 3 chans
* </pre>
*/
public function subscribe( $channels, $callback ) {}
/**
* Subscribe to channels by pattern
*
* @param array $patterns The number of elements removed from the set.
* @param string|array $callback Either a string or an array with an object and method.
* The callback will get four arguments ($redis, $pattern, $channel, $message)
* @link http://redis.io/commands/psubscribe
* @example
* <pre>
* function psubscribe($redis, $pattern, $chan, $msg) {
* echo "Pattern: $pattern\n";
* echo "Channel: $chan\n";
* echo "Payload: $msg\n";
* }
* </pre>
*/
public function psubscribe( $patterns, $callback ) {}
/**
* Publish messages to channels. Warning: this function will probably change in the future.
*
* @param string $channel a channel to publish to
* @param string $message string
* @link http://redis.io/commands/publish
* @return int Number of clients that received the message
* @example $redis->publish('chan-1', 'hello, world!'); // send message.
*/
public function publish( $channel, $message ) {}
/**
* Verify if the specified key exists.
*
* @param string $key
* @return bool: If the key exists, return TRUE, otherwise return FALSE.
* @link http://redis.io/commands/exists
* @example
* <pre>
* $redis->set('key', 'value');
* $redis->exists('key'); // TRUE
* $redis->exists('NonExistingKey'); // FALSE
* </pre>
*/
public function exists( $key ) {}
/**
* Increment the number stored at key by one.
*
* @param string $key
* @return int the new value
* @link http://redis.io/commands/incr
* @example
* <pre>
* $redis->incr('key1'); // key1 didn't exists, set to 0 before the increment and now has the value 1
* $redis->incr('key1'); // 2
* $redis->incr('key1'); // 3
* $redis->incr('key1'); // 4
* </pre>
*/
public function incr( $key ) {}
/**
* Increment the float value of a key by the given amount
*
* @param string $key
* @param float $increment
* @return float
* @link http://redis.io/commands/incrbyfloat
* @example
* <pre>
* $redis = new Redis();
* $redis->connect('127.0.0.1');
* $redis->set('x', 3);
* var_dump( $redis->incrByFloat('x', 1.5) ); // float(4.5)
*
* // ! SIC
* var_dump( $redis->get('x') ); // string(3) "4.5"
* </pre>
*/
public function incrByFloat( $key, $increment ) {}
/**
* Increment the number stored at key by one. If the second argument is filled, it will be used as the integer
* value of the increment.
*
* @param string $key key
* @param int $value value that will be added to key (only for incrBy)
* @return int the new value
* @link http://redis.io/commands/incrby
* @example
* <pre>
* $redis->incr('key1'); // key1 didn't exists, set to 0 before the increment and now has the value 1
* $redis->incr('key1'); // 2
* $redis->incr('key1'); // 3
* $redis->incr('key1'); // 4
* $redis->incrBy('key1', 10); // 14
* </pre>
*/
public function incrBy( $key, $value ) {}
/**
* Decrement the number stored at key by one.
*
* @param string $key
* @return int the new value
* @link http://redis.io/commands/decr
* @example
* <pre>
* $redis->decr('key1'); // key1 didn't exists, set to 0 before the increment and now has the value -1
* $redis->decr('key1'); // -2
* $redis->decr('key1'); // -3
* </pre>
*/
public function decr( $key ) {}
/**
* Decrement the number stored at key by one. If the second argument is filled, it will be used as the integer
* value of the decrement.
*
* @param string $key
* @param int $value that will be substracted to key (only for decrBy)
* @return int the new value
* @link http://redis.io/commands/decrby
* @example
* <pre>
* $redis->decr('key1'); // key1 didn't exists, set to 0 before the increment and now has the value -1
* $redis->decr('key1'); // -2
* $redis->decr('key1'); // -3
* $redis->decrBy('key1', 10); // -13
* </pre>
*/
public function decrBy( $key, $value ) {}
/**
* Get the values of all the specified keys. If one or more keys dont exist, the array will contain FALSE at the
* position of the key.
*
* @param array $keys Array containing the list of the keys
* @return array Array containing the values related to keys in argument
* @example
* <pre>
* $redis->set('key1', 'value1');
* $redis->set('key2', 'value2');
* $redis->set('key3', 'value3');
* $redis->getMultiple(array('key1', 'key2', 'key3')); // array('value1', 'value2', 'value3');
* $redis->getMultiple(array('key0', 'key1', 'key5')); // array(`FALSE`, 'value2', `FALSE`);
* </pre>
*/
public function getMultiple( array $keys ) {}
/**
* Adds the string values to the head (left) of the list. Creates the list if the key didn't exist.
* If the key exists and is not a list, FALSE is returned.
*
* @param string $key
* @param string $value1 String, value to push in key
* @param string $value2 Optional
* @param string $valueN Optional
* @return int The new length of the list in case of success, FALSE in case of Failure.
* @link http://redis.io/commands/lpush
* @example
* <pre>
* $redis->lPush('l', 'v1', 'v2', 'v3', 'v4') // int(4)
* var_dump( $redis->lRange('l', 0, -1) );
* //// Output:
* // array(4) {
* // [0]=> string(2) "v4"
* // [1]=> string(2) "v3"
* // [2]=> string(2) "v2"
* // [3]=> string(2) "v1"
* // }
* </pre>
*/
public function lPush( $key, $value1, $value2 = null, $valueN = null ) {}
/**
* Adds the string values to the tail (right) of the list. Creates the list if the key didn't exist.
* If the key exists and is not a list, FALSE is returned.
*
* @param string $key
* @param string $value1 String, value to push in key
* @param string $value2 Optional
* @param string $valueN Optional
* @return int The new length of the list in case of success, FALSE in case of Failure.
* @link http://redis.io/commands/rpush
* @example
* <pre>
* $redis->rPush('l', 'v1', 'v2', 'v3', 'v4'); // int(4)
* var_dump( $redis->lRange('l', 0, -1) );
* //// Output:
* // array(4) {
* // [0]=> string(2) "v1"
* // [1]=> string(2) "v2"
* // [2]=> string(2) "v3"
* // [3]=> string(2) "v4"
* // }
* </pre>
*/
public function rPush( $key, $value1, $value2 = null, $valueN = null ) {}
/**
* Adds the string value to the head (left) of the list if the list exists.
*
* @param string $key
* @param string $value String, value to push in key
* @return int The new length of the list in case of success, FALSE in case of Failure.
* @link http://redis.io/commands/lpushx
* @example
* <pre>
* $redis->delete('key1');
* $redis->lPushx('key1', 'A'); // returns 0
* $redis->lPush('key1', 'A'); // returns 1
* $redis->lPushx('key1', 'B'); // returns 2
* $redis->lPushx('key1', 'C'); // returns 3
* // key1 now points to the following list: [ 'A', 'B', 'C' ]
* </pre>
*/
public function lPushx( $key, $value ) {}
/**
* Adds the string value to the tail (right) of the list if the ist exists. FALSE in case of Failure.
*
* @param string $key
* @param string $value String, value to push in key
* @return int The new length of the list in case of success, FALSE in case of Failure.
* @link http://redis.io/commands/rpushx
* @example
* <pre>
* $redis->delete('key1');
* $redis->rPushx('key1', 'A'); // returns 0
* $redis->rPush('key1', 'A'); // returns 1
* $redis->rPushx('key1', 'B'); // returns 2
* $redis->rPushx('key1', 'C'); // returns 3
* // key1 now points to the following list: [ 'A', 'B', 'C' ]
* </pre>
*/
public function rPushx( $key, $value ) {}
/**
* Returns and removes the first element of the list.
*
* @param string $key
* @return string if command executed successfully BOOL FALSE in case of failure (empty list)
* @link http://redis.io/commands/lpop
* @example
* <pre>
* $redis->rPush('key1', 'A');
* $redis->rPush('key1', 'B');
* $redis->rPush('key1', 'C'); // key1 => [ 'A', 'B', 'C' ]
* $redis->lPop('key1'); // key1 => [ 'B', 'C' ]
* </pre>
*/
public function lPop( $key ) {}
/**
* Returns and removes the last element of the list.
*
* @param string $key
* @return string if command executed successfully BOOL FALSE in case of failure (empty list)
* @link http://redis.io/commands/rpop
* @example
* <pre>
* $redis->rPush('key1', 'A');
* $redis->rPush('key1', 'B');
* $redis->rPush('key1', 'C'); // key1 => [ 'A', 'B', 'C' ]
* $redis->rPop('key1'); // key1 => [ 'A', 'B' ]
* </pre>
*/
public function rPop( $key ) {}
/**
* Is a blocking lPop primitive. If at least one of the lists contains at least one element,
* the element will be popped from the head of the list and returned to the caller.
* Il all the list identified by the keys passed in arguments are empty, blPop will block
* during the specified timeout until an element is pushed to one of those lists. This element will be popped.
*
* @param array $keys Array containing the keys of the lists INTEGER Timeout
* Or STRING Key1 STRING Key2 STRING Key3 ... STRING Keyn INTEGER Timeout
* @return array array('listName', 'element')
* @link http://redis.io/commands/blpop
* @example
* <pre>
* // Non blocking feature
* $redis->lPush('key1', 'A');
* $redis->delete('key2');
*
* $redis->blPop('key1', 'key2', 10); // array('key1', 'A')
* // OR
* $redis->blPop(array('key1', 'key2'), 10); // array('key1', 'A')
*
* $redis->brPop('key1', 'key2', 10); // array('key1', 'A')
* // OR
* $redis->brPop(array('key1', 'key2'), 10); // array('key1', 'A')
*
* // Blocking feature
*
* // process 1
* $redis->delete('key1');
* $redis->blPop('key1', 10);
* // blocking for 10 seconds
*
* // process 2
* $redis->lPush('key1', 'A');
*
* // process 1
* // array('key1', 'A') is returned
* </pre>
*/
public function blPop( array $keys ) {}
/**
* Is a blocking rPop primitive. If at least one of the lists contains at least one element,
* the element will be popped from the head of the list and returned to the caller.
* Il all the list identified by the keys passed in arguments are empty, brPop will
* block during the specified timeout until an element is pushed to one of those lists. T
* his element will be popped.
*
* @param array $keys Array containing the keys of the lists INTEGER Timeout
* Or STRING Key1 STRING Key2 STRING Key3 ... STRING Keyn INTEGER Timeout
* @return array array('listName', 'element')
* @link http://redis.io/commands/brpop
* @example
* <pre>
* // Non blocking feature
* $redis->lPush('key1', 'A');
* $redis->delete('key2');
*
* $redis->blPop('key1', 'key2', 10); // array('key1', 'A')
* // OR
* $redis->blPop(array('key1', 'key2'), 10); // array('key1', 'A')
*
* $redis->brPop('key1', 'key2', 10); // array('key1', 'A')
* // OR
* $redis->brPop(array('key1', 'key2'), 10); // array('key1', 'A')
*
* // Blocking feature
*
* // process 1
* $redis->delete('key1');
* $redis->blPop('key1', 10);
* // blocking for 10 seconds
*
* // process 2
* $redis->lPush('key1', 'A');
*
* // process 1
* // array('key1', 'A') is returned
* </pre>
*/
public function brPop( array $keys ) {}
/**
* Returns the size of a list identified by Key. If the list didn't exist or is empty,
* the command returns 0. If the data type identified by Key is not a list, the command return FALSE.
*
* @param string $key
* @return int The size of the list identified by Key exists.
* bool FALSE if the data type identified by Key is not list
* @link http://redis.io/commands/llen
* @example
* <pre>
* $redis->rPush('key1', 'A');
* $redis->rPush('key1', 'B');
* $redis->rPush('key1', 'C'); // key1 => [ 'A', 'B', 'C' ]
* $redis->lLen('key1'); // 3
* $redis->rPop('key1');
* $redis->lLen('key1'); // 2
* </pre>
*/
public function lLen( $key ) {}
/**
* @see lLen()
* @param string $key
* @param int $index
* @link http://redis.io/commands/llen
*/
public function lSize( $key ) {}
/**
* Return the specified element of the list stored at the specified key.
* 0 the first element, 1 the second ... -1 the last element, -2 the penultimate ...
* Return FALSE in case of a bad index or a key that doesn't point to a list.
* @param string $key
* @param int $index
* @return String the element at this index
* Bool FALSE if the key identifies a non-string data type, or no value corresponds to this index in the list Key.
* @link http://redis.io/commands/lindex
* @example
* <pre>
* $redis->rPush('key1', 'A');
* $redis->rPush('key1', 'B');
* $redis->rPush('key1', 'C'); // key1 => [ 'A', 'B', 'C' ]
* $redis->lGet('key1', 0); // 'A'
* $redis->lGet('key1', -1); // 'C'
* $redis->lGet('key1', 10); // `FALSE`
* </pre>
*/
public function lIndex( $key, $index ) {}
/**
* @see lIndex()
* @param string $key
* @param int $index
* @link http://redis.io/commands/lindex
*/
public function lGet( $key, $index ) {}
/**
* Set the list at index with the new value.
*
* @param string $key
* @param int $index
* @param string $value
* @return BOOL TRUE if the new value is setted. FALSE if the index is out of range, or data type identified by key
* is not a list.
* @link http://redis.io/commands/lset
* @example
* <pre>
* $redis->rPush('key1', 'A');
* $redis->rPush('key1', 'B');
* $redis->rPush('key1', 'C'); // key1 => [ 'A', 'B', 'C' ]
* $redis->lGet('key1', 0); // 'A'
* $redis->lSet('key1', 0, 'X');
* $redis->lGet('key1', 0); // 'X'
* </pre>
*/
public function lSet( $key, $index, $value ) {}
/**
* Returns the specified elements of the list stored at the specified key in
* the range [start, end]. start and stop are interpretated as indices: 0 the first element,
* 1 the second ... -1 the last element, -2 the penultimate ...
* @param string $key
* @param int $start
* @param int $end
* @return array containing the values in specified range.
* @link http://redis.io/commands/lrange
* @example
* <pre>
* $redis->rPush('key1', 'A');
* $redis->rPush('key1', 'B');
* $redis->rPush('key1', 'C');
* $redis->lRange('key1', 0, -1); // array('A', 'B', 'C')
* </pre>
*/
public function lRange( $key, $start, $end ) {}
/**
* @see lRange()
* @link http://redis.io/commands/lrange
* @param string $key
* @param int $start
* @param int $end
*/
public function lGetRange( $key, $start, $end ) {}
/**
* Trims an existing list so that it will contain only a specified range of elements.
*
* @param string $key
* @param int $start
* @param int $stop
* @return array Bool return FALSE if the key identify a non-list value.
* @link http://redis.io/commands/ltrim
* @example
* <pre>
* $redis->rPush('key1', 'A');
* $redis->rPush('key1', 'B');
* $redis->rPush('key1', 'C');
* $redis->lRange('key1', 0, -1); // array('A', 'B', 'C')
* $redis->lTrim('key1', 0, 1);
* $redis->lRange('key1', 0, -1); // array('A', 'B')
* </pre>
*/
public function lTrim( $key, $start, $stop ) {}
/**
* @see lTrim()
* @link http://redis.io/commands/ltrim
* @param string $key
* @param int $start
* @param int $stop
*/
public function listTrim( $key, $start, $stop ) {}
/**
* Removes the first count occurences of the value element from the list.
* If count is zero, all the matching elements are removed. If count is negative,
* elements are removed from tail to head.
*
* @param string $key
* @param string $value
* @param int $count
* @return int the number of elements to remove
* bool FALSE if the value identified by key is not a list.
* @link http://redis.io/commands/lrem
* @example
* <pre>
* $redis->lPush('key1', 'A');
* $redis->lPush('key1', 'B');
* $redis->lPush('key1', 'C');
* $redis->lPush('key1', 'A');
* $redis->lPush('key1', 'A');
*
* $redis->lRange('key1', 0, -1); // array('A', 'A', 'C', 'B', 'A')
* $redis->lRem('key1', 'A', 2); // 2
* $redis->lRange('key1', 0, -1); // array('C', 'B', 'A')
* </pre>
*/
public function lRem( $key, $value, $count ) {}
/**
* @see lRem
* @link http://redis.io/commands/lremove
* @param string $key
* @param string $value
* @param int $count
*/
public function lRemove( $key, $value, $count ) {}
/**
* Insert value in the list before or after the pivot value. the parameter options
* specify the position of the insert (before or after). If the list didn't exists,
* or the pivot didn't exists, the value is not inserted.
*
* @param string $key
* @param int $position Redis::BEFORE | Redis::AFTER
* @param string $pivot
* @param string $value
* @return int The number of the elements in the list, -1 if the pivot didn't exists.
* @link http://redis.io/commands/linsert
* @example
* <pre>
* $redis->delete('key1');
* $redis->lInsert('key1', Redis::AFTER, 'A', 'X'); // 0
*
* $redis->lPush('key1', 'A');
* $redis->lPush('key1', 'B');
* $redis->lPush('key1', 'C');
*
* $redis->lInsert('key1', Redis::BEFORE, 'C', 'X'); // 4
* $redis->lRange('key1', 0, -1); // array('A', 'B', 'X', 'C')
*
* $redis->lInsert('key1', Redis::AFTER, 'C', 'Y'); // 5
* $redis->lRange('key1', 0, -1); // array('A', 'B', 'X', 'C', 'Y')
*
* $redis->lInsert('key1', Redis::AFTER, 'W', 'value'); // -1
* </pre>
*/
public function lInsert( $key, $position, $pivot, $value ) {}
/**
* Adds a values to the set value stored at key.
* If this value is already in the set, FALSE is returned.
*
* @param string $key Required key
* @param string $value1 Required value
* @param string $value2 Optional value
* @param string $valueN Optional value
* @return int The number of elements added to the set
* @link http://redis.io/commands/sadd
* @example
* <pre>
* $redis->sAdd('k', 'v1'); // int(1)
* $redis->sAdd('k', 'v1', 'v2', 'v3'); // int(2)
* </pre>
*/
public function sAdd( $key, $value1, $value2 = null, $valueN = null ) {}
/**
* Removes the specified members from the set value stored at key.
*
* @param string $key
* @param string $member1
* @param string $member2
* @param string $memberN
* @return int The number of elements removed from the set.
* @link http://redis.io/commands/srem
* @example
* <pre>
* var_dump( $redis->sAdd('k', 'v1', 'v2', 'v3') ); // int(3)
* var_dump( $redis->sRem('k', 'v2', 'v3') ); // int(2)
* var_dump( $redis->sMembers('k') );
* //// Output:
* // array(1) {
* // [0]=> string(2) "v1"
* // }
* </pre>
*/
public function sRem( $key, $member1, $member2 = null, $memberN = null ) {}
/**
* @see sRem()
* @link http://redis.io/commands/srem
* @param string $key
* @param string $member1
* @param string $member2
* @param string $memberN
*/
public function sRemove( $key, $member1, $member2 = null, $memberN = null ) {}
/**
* Moves the specified member from the set at srcKey to the set at dstKey.
*
* @param string $srcKey
* @param string $dstKey
* @param string $member
* @return bool If the operation is successful, return TRUE.
* If the srcKey and/or dstKey didn't exist, and/or the member didn't exist in srcKey, FALSE is returned.
* @link http://redis.io/commands/smove
* @example
* <pre>
* $redis->sAdd('key1' , 'set11');
* $redis->sAdd('key1' , 'set12');
* $redis->sAdd('key1' , 'set13'); // 'key1' => {'set11', 'set12', 'set13'}
* $redis->sAdd('key2' , 'set21');
* $redis->sAdd('key2' , 'set22'); // 'key2' => {'set21', 'set22'}
* $redis->sMove('key1', 'key2', 'set13'); // 'key1' => {'set11', 'set12'}
* // 'key2' => {'set21', 'set22', 'set13'}
* </pre>
*/
public function sMove( $srcKey, $dstKey, $member ) {}
/**
* Checks if value is a member of the set stored at the key key.
*
* @param string $key
* @param string $value
* @return bool TRUE if value is a member of the set at key key, FALSE otherwise.
* @link http://redis.io/commands/sismember
* @example
* <pre>
* $redis->sAdd('key1' , 'set1');
* $redis->sAdd('key1' , 'set2');
* $redis->sAdd('key1' , 'set3'); // 'key1' => {'set1', 'set2', 'set3'}
*
* $redis->sIsMember('key1', 'set1'); // TRUE
* $redis->sIsMember('key1', 'setX'); // FALSE
* </pre>
*/
public function sIsMember( $key, $value ) {}
/**
* @see sIsMember()
* @link http://redis.io/commands/sismember
* @param string $key
* @param string $value
*/
public function sContains( $key, $value ) {}
/**
* Returns the cardinality of the set identified by key.
*
* @param string $key
* @return int the cardinality of the set identified by key, 0 if the set doesn't exist.
* @link http://redis.io/commands/scard
* @example
* <pre>
* $redis->sAdd('key1' , 'set1');
* $redis->sAdd('key1' , 'set2');
* $redis->sAdd('key1' , 'set3'); // 'key1' => {'set1', 'set2', 'set3'}
* $redis->sCard('key1'); // 3
* $redis->sCard('keyX'); // 0
* </pre>
*/
public function sCard( $key ) {}
/**
* Removes and returns a random element from the set value at Key.
*
* @param string $key
* @return string "popped" value
* bool FALSE if set identified by key is empty or doesn't exist.
* @link http://redis.io/commands/spop
* @example
* <pre>
* $redis->sAdd('key1' , 'set1');
* $redis->sAdd('key1' , 'set2');
* $redis->sAdd('key1' , 'set3'); // 'key1' => {'set3', 'set1', 'set2'}
* $redis->sPop('key1'); // 'set1', 'key1' => {'set3', 'set2'}
* $redis->sPop('key1'); // 'set3', 'key1' => {'set2'}
* </pre>
*/
public function sPop( $key ) {}
/**
* Returns a random element from the set value at Key, without removing it.
*
* @param string $key
* @return string value from the set
* bool FALSE if set identified by key is empty or doesn't exist.
* @link http://redis.io/commands/srandmember
* @example
* <pre>
* $redis->sAdd('key1' , 'set1');
* $redis->sAdd('key1' , 'set2');
* $redis->sAdd('key1' , 'set3'); // 'key1' => {'set3', 'set1', 'set2'}
* $redis->sRandMember('key1'); // 'set1', 'key1' => {'set3', 'set1', 'set2'}
* $redis->sRandMember('key1'); // 'set3', 'key1' => {'set3', 'set1', 'set2'}
* </pre>
*/
public function sRandMember( $key ) {}
/**
* Returns the members of a set resulting from the intersection of all the sets
* held at the specified keys. If just a single key is specified, then this command
* produces the members of this set. If one of the keys is missing, FALSE is returned.
*
* @param string $key1 keys identifying the different sets on which we will apply the intersection.
* @param string $key2 ...
* @param string $keyN ...
* @return array, contain the result of the intersection between those keys.
* If the intersection between the different sets is empty, the return value will be empty array.
* @link http://redis.io/commands/sinterstore
* @example
* <pre>
* $redis->sAdd('key1', 'val1');
* $redis->sAdd('key1', 'val2');
* $redis->sAdd('key1', 'val3');
* $redis->sAdd('key1', 'val4');
*
* $redis->sAdd('key2', 'val3');
* $redis->sAdd('key2', 'val4');
*
* $redis->sAdd('key3', 'val3');
* $redis->sAdd('key3', 'val4');
*
* var_dump($redis->sInter('key1', 'key2', 'key3'));
*
* //array(2) {
* // [0]=>
* // string(4) "val4"
* // [1]=>
* // string(4) "val3"
* //}
* </pre>
*/
public function sInter( $key1, $key2, $keyN = null ) {}
/**
* Performs a sInter command and stores the result in a new set.
*
* @param string $dstKey the key to store the diff into.
* @param string $key1 are intersected as in sInter.
* @param string $key2 ...
* @param string $keyN ...
* @return int: The cardinality of the resulting set, or FALSE in case of a missing key.
* @link http://redis.io/commands/sinterstore
* @example
* <pre>
* $redis->sAdd('key1', 'val1');
* $redis->sAdd('key1', 'val2');
* $redis->sAdd('key1', 'val3');
* $redis->sAdd('key1', 'val4');
*
* $redis->sAdd('key2', 'val3');
* $redis->sAdd('key2', 'val4');
*
* $redis->sAdd('key3', 'val3');
* $redis->sAdd('key3', 'val4');
*
* var_dump($redis->sInterStore('output', 'key1', 'key2', 'key3'));
* var_dump($redis->sMembers('output'));
*
* //int(2)
* //
* //array(2) {
* // [0]=>
* // string(4) "val4"
* // [1]=>
* // string(4) "val3"
* //}
* </pre>
*/
public function sInterStore( $dstKey, $key1, $key2, $keyN = null ) {}
/**
* Performs the union between N sets and returns it.
*
* @param string $key1 Any number of keys corresponding to sets in redis.
* @param string $key2 ...
* @param string $keyN ...
* @return array of strings: The union of all these sets.
* @link http://redis.io/commands/sunionstore
* @example
* <pre>
* $redis->delete('s0', 's1', 's2');
*
* $redis->sAdd('s0', '1');
* $redis->sAdd('s0', '2');
* $redis->sAdd('s1', '3');
* $redis->sAdd('s1', '1');
* $redis->sAdd('s2', '3');
* $redis->sAdd('s2', '4');
*
* var_dump($redis->sUnion('s0', 's1', 's2'));
*
* array(4) {
* // [0]=>
* // string(1) "3"
* // [1]=>
* // string(1) "4"
* // [2]=>
* // string(1) "1"
* // [3]=>
* // string(1) "2"
* //}
* </pre>
*/
public function sUnion( $key1, $key2, $keyN = null ) {}
/**
* Performs the same action as sUnion, but stores the result in the first key
*
* @param string $dstKey the key to store the diff into.
* @param string $key1 Any number of keys corresponding to sets in redis.
* @param string $key2 ...
* @param string $keyN ...
* @return int Any number of keys corresponding to sets in redis.
* @link http://redis.io/commands/sunionstore
* @example
* <pre>
* $redis->delete('s0', 's1', 's2');
*
* $redis->sAdd('s0', '1');
* $redis->sAdd('s0', '2');
* $redis->sAdd('s1', '3');
* $redis->sAdd('s1', '1');
* $redis->sAdd('s2', '3');
* $redis->sAdd('s2', '4');
*
* var_dump($redis->sUnionStore('dst', 's0', 's1', 's2'));
* var_dump($redis->sMembers('dst'));
*
* //int(4)
* //array(4) {
* // [0]=>
* // string(1) "3"
* // [1]=>
* // string(1) "4"
* // [2]=>
* // string(1) "1"
* // [3]=>
* // string(1) "2"
* //}
* </pre>
*/
public function sUnionStore( $dstKey, $key1, $key2, $keyN = null ) {}
/**
* Performs the difference between N sets and returns it.
*
* @param string $key1 Any number of keys corresponding to sets in redis.
* @param string $key2 ...
* @param string $keyN ...
* @return array of strings: The difference of the first set will all the others.
* @link http://redis.io/commands/sdiff
* @example
* <pre>
* $redis->delete('s0', 's1', 's2');
*
* $redis->sAdd('s0', '1');
* $redis->sAdd('s0', '2');
* $redis->sAdd('s0', '3');
* $redis->sAdd('s0', '4');
*
* $redis->sAdd('s1', '1');
* $redis->sAdd('s2', '3');
*
* var_dump($redis->sDiff('s0', 's1', 's2'));
*
* //array(2) {
* // [0]=>
* // string(1) "4"
* // [1]=>
* // string(1) "2"
* //}
* </pre>
*/
public function sDiff( $key1, $key2, $keyN = null ) {}
/**
* Performs the same action as sDiff, but stores the result in the first key
*
* @param string $dstKey the key to store the diff into.
* @param string $key1 Any number of keys corresponding to sets in redis
* @param string $key2 ...
* @param string $keyN ...
* @return int: The cardinality of the resulting set, or FALSE in case of a missing key.
* @link http://redis.io/commands/sdiffstore
* @example
* <pre>
* $redis->delete('s0', 's1', 's2');
*
* $redis->sAdd('s0', '1');
* $redis->sAdd('s0', '2');
* $redis->sAdd('s0', '3');
* $redis->sAdd('s0', '4');
*
* $redis->sAdd('s1', '1');
* $redis->sAdd('s2', '3');
*
* var_dump($redis->sDiffStore('dst', 's0', 's1', 's2'));
* var_dump($redis->sMembers('dst'));
*
* //int(2)
* //array(2) {
* // [0]=>
* // string(1) "4"
* // [1]=>
* // string(1) "2"
* //}
* </pre>
*/
public function sDiffStore( $dstKey, $key1, $key2, $keyN = null ) {}
/**
* Returns the contents of a set.
*
* @param string $key
* @return array An array of elements, the contents of the set.
* @link http://redis.io/commands/smembers
* @example
* <pre>
* $redis->delete('s');
* $redis->sAdd('s', 'a');
* $redis->sAdd('s', 'b');
* $redis->sAdd('s', 'a');
* $redis->sAdd('s', 'c');
* var_dump($redis->sMembers('s'));
*
* //array(3) {
* // [0]=>
* // string(1) "c"
* // [1]=>
* // string(1) "a"
* // [2]=>
* // string(1) "b"
* //}
* // The order is random and corresponds to redis' own internal representation of the set structure.
* </pre>
*/
public function sMembers( $key ) {}
/**
* @see sMembers()
* @param string $key
* @link http://redis.io/commands/smembers
*/
public function sGetMembers( $key ) {}
/**
* Sets a value and returns the previous entry at that key.
*
* @param string $key
* @param string $value
* @return string A string, the previous value located at this key.
* @link http://redis.io/commands/getset
* @example
* <pre>
* $redis->set('x', '42');
* $exValue = $redis->getSet('x', 'lol'); // return '42', replaces x by 'lol'
* $newValue = $redis->get('x')' // return 'lol'
* </pre>
*/
public function getSet( $key, $value ) {}
/**
* Returns a random key.
*
* @return string: an existing key in redis.
* @link http://redis.io/commands/randomkey
* @example
* <pre>
* $key = $redis->randomKey();
* $surprise = $redis->get($key); // who knows what's in there.
* </pre>
*/
public function randomKey( ) {}
/**
* Switches to a given database.
*
* @param int $dbindex
* @return bool TRUE in case of success, FALSE in case of failure.
* @link http://redis.io/commands/select
* @example
* <pre>
* $redis->select(0); // switch to DB 0
* $redis->set('x', '42'); // write 42 to x
* $redis->move('x', 1); // move to DB 1
* $redis->select(1); // switch to DB 1
* $redis->get('x'); // will return 42
* </pre>
*/
public function select( $dbindex ) {}
/**
* Moves a key to a different database.
*
* @param string $key
* @param int $dbindex
* @return bool: TRUE in case of success, FALSE in case of failure.
* @link http://redis.io/commands/move
* @example
* <pre>
* $redis->select(0); // switch to DB 0
* $redis->set('x', '42'); // write 42 to x
* $redis->move('x', 1); // move to DB 1
* $redis->select(1); // switch to DB 1
* $redis->get('x'); // will return 42
* </pre>
*/
public function move( $key, $dbindex ) {}
/**
* Renames a key.
*
* @param string $srcKey
* @param string $dstKey
* @return bool: TRUE in case of success, FALSE in case of failure.
* @link http://redis.io/commands/rename
* @example
* <pre>
* $redis->set('x', '42');
* $redis->rename('x', 'y');
* $redis->get('y'); // → 42
* $redis->get('x'); // → `FALSE`
* </pre>
*/
public function rename( $srcKey, $dstKey ) {}
/**
* @see rename()
* @link http://redis.io/commands/rename
* @param string $srcKey
* @param string $dstKey
*/
public function renameKey( $srcKey, $dstKey ) {}
/**
* Renames a key.
*
* Same as rename, but will not replace a key if the destination already exists.
* This is the same behaviour as setNx.
*
* @param