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  • Redis类的源码使用

    $redis = new Redis(); 
    
    //连接redis服务器 
    
    $redis->connect('127.0.0.1', '6379'); 
    
    
    
    $key = "key"; 
    
    $val = "val"; 
    
    
    //redis key操作
    
    $redis->exists($key);           //判断key值是否存在
    
    $redis->expire($key, 10);       //设置key在10秒后过期
    
    //redis string 字符串
    
    $redis->set($key, $val);
    
    $redis->incr($key);         //key值+1,除非val是整数,否则函数执行失败
    
    $redis->decr($key);         //key值-1,同上
    
    $redis->append($key, "ue"); //追加key值内容
    
    $redis->strlen($key);       //返回key值的长度
    
    //当第一次设置key值后,key值的数据类型就不能改变了。
    
    $redis->del($key);  //删除key值
    
    //redis hash 哈希
    
    $redis->hset($key, 'field1', 'val1');   //设置一个key-value键值对
    
    $redis->hmset($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
    
    $redis->hmget($key, array('field2', 'field1'));    //获取hash的多个键值
    
    $redis->hgetall($key);  //获取hash中所有的键值对
    
    $redis->hlen($key);     //获取hash中键值对的个数
    
    $redis->hkeys($key);   //获取hash中所有的键
    
    $redis->hvals($key);    //获取hash中所有的值
    
    $redis->del($key);  //删除key值
    
    //redis list 列表
    
    $index = $start = 0;
    
    $redis->lpush($key, 'val1', 'val2');    //在list的开头添加多个值
    
    $redis->lpop($key); //移除并获取list的第一个元素
    
    $redis->rpop($key); //移除并获取list的最后一个元素
    
    $stop = $redis->llen($key) - 1; //获取list的长度
    
    $redis->lindex($key, $index);   //通过索引获取list元素
    
    $redis->lrange($key, $start, $stop);    //获取指定范围内的元素
    
    $redis->del($key);
    
    //redis set 无序集合
    
    $redis->sadd($key, 'val1', 'val2'); //向集合中添加多个元素
    
    $redis->scard($key);    //获取集合元素个数
    
    $redis->spop($key); //移除并获取集合内随机一个元素
    
    $redis->srem($key, 'val1', 'val2'); //移除集合的多个元素
    
    $redis->sismember($key, 'val1');    //判断元素是否存在于集合内
    
    $redis->del($key);
    
    //redis sorted set 有序集合
    
    //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
    
    $redis->zadd($key, $score1, $val1, $score2, $val2); //向集合内添加多个元素
    
    $redis->zcard($key);    //获取集合内元素总数
    
    $redis->zcount($key, $minScore, $maxScore); //获取集合内分类范围内的元素
    
    $redis->zrem($key, $member1, $member2); //移除集合内多个元素
    

      

    <?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
    ";
    
         *   }
    
         *   echo "No more keys to scan!
    ";
    
         * }
    
         * </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
    ";
    
         *  echo "Channel: $chan
    ";
    
         *  echo "Payload: $msg
    ";
    
         * }
    
         * </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   string  $srcKey
    
         * @param   string  $dstKey
    
         * @return  bool:   TRUE in case of success, FALSE in case of failure.
    
         * @link    http://redis.io/commands/renamenx
    
         * @example
    
         * <pre>
    
         * $redis->set('x', '42');
    
         * $redis->rename('x', 'y');
    
         * $redis->get('y');   // → 42
    
         * $redis->get('x');   // → `FALSE`
    
         * </pre>
    
         */
    
        public function renameNx( $srcKey, $dstKey ) {}
    
     
    
        /**
    
         * Sets an expiration date (a timeout) on an item.
    
         *
    
         * @param   string  $key    The key that will disappear.
    
         * @param   int     $ttl    The key's remaining Time To Live, in seconds.
    
         * @return  bool:   TRUE in case of success, FALSE in case of failure.
    
         * @link    http://redis.io/commands/expire
    
         * @example
    
         * <pre>
    
         * $redis->set('x', '42');
    
         * $redis->setTimeout('x', 3);  // x will disappear in 3 seconds.
    
         * sleep(5);                    // wait 5 seconds
    
         * $redis->get('x');            // will return `FALSE`, as 'x' has expired.
    
         * </pre>
    
         */
    
        public function expire( $key, $ttl ) {}
    
     
    
        /**
    
         * Sets an expiration date (a timeout in milliseconds) on an item.
    
         *
    
         * @param   string  $key    The key that will disappear.
    
         * @param   int     $pttl   The key's remaining Time To Live, in milliseconds.
    
         * @return  bool:   TRUE in case of success, FALSE in case of failure.
    
         * @link    http://redis.io/commands/pexpire
    
         * @example
    
         * <pre>
    
         * $redis->set('x', '42');
    
         * $redis->pExpire('x', 11500); // x will disappear in 11500 milliseconds.
    
         * $redis->ttl('x');            // 12
    
         * $redis->pttl('x');           // 11500
    
         * </pre>
    
         */
    
        public function pExpire( $key, $ttl ) {}
    
     
    
        /**
    
         * @see expire()
    
         * @param   string  $key
    
         * @param   int     $ttl
    
         * @link    http://redis.io/commands/expire
    
         */
    
        public function setTimeout( $key, $ttl ) {}
    
     
    
        /**
    
         * Sets an expiration date (a timestamp) on an item.
    
         *
    
         * @param   string  $key        The key that will disappear.
    
         * @param   int     $timestamp  Unix timestamp. The key's date of death, in seconds from Epoch time.
    
         * @return  bool:   TRUE in case of success, FALSE in case of failure.
    
         * @link    http://redis.io/commands/expireat
    
         * @example
    
         * <pre>
    
         * $redis->set('x', '42');
    
         * $now = time(NULL);               // current timestamp
    
         * $redis->expireAt('x', $now + 3); // x will disappear in 3 seconds.
    
         * sleep(5);                        // wait 5 seconds
    
         * $redis->get('x');                // will return `FALSE`, as 'x' has expired.
    
         * </pre>
    
         */
    
        public function expireAt( $key, $timestamp ) {}
    
     
    
        /**
    
         * Sets an expiration date (a timestamp) on an item. Requires a timestamp in milliseconds
    
         *
    
         * @param   string  $key        The key that will disappear.
    
         * @param   int     $timestamp  Unix timestamp. The key's date of death, in seconds from Epoch time.
    
         * @return  bool:   TRUE in case of success, FALSE in case of failure.
    
         * @link    http://redis.io/commands/pexpireat
    
         * @example
    
         * <pre>
    
         * $redis->set('x', '42');
    
         * $redis->pExpireAt('x', 1555555555005);
    
         * echo $redis->ttl('x');                       // 218270121
    
         * echo $redis->pttl('x');                      // 218270120575
    
         * </pre>
    
         */
    
        public function pExpireAt( $key, $timestamp ) {}
    
     
    
        /**
    
         * Returns the keys that match a certain pattern.
    
         *
    
         * @param   string  $pattern pattern, using '*' as a wildcard.
    
         * @return  array   of STRING: The keys that match a certain pattern.
    
         * @link    http://redis.io/commands/keys
    
         * @example
    
         * <pre>
    
         * $allKeys = $redis->keys('*');   // all keys will match this.
    
         * $keyWithUserPrefix = $redis->keys('user*');
    
         * </pre>
    
         */
    
        public function keys( $pattern ) {}
    
     
    
        /**
    
         * @see keys()
    
         * @param   string  $pattern
    
         * @link    http://redis.io/commands/keys
    
         */
    
        public function getKeys( $pattern ) {}
    
     
    
        /**
    
         * Returns the current database's size.
    
         *
    
         * @return int:     DB size, in number of keys.
    
         * @link    http://redis.io/commands/dbsize
    
         * @example
    
         * <pre>
    
         * $count = $redis->dbSize();
    
         * echo "Redis has $count keys
    ";
    
         * </pre>
    
         */
    
        public function dbSize( ) {}
    
     
    
        /**
    
         * Authenticate the connection using a password.
    
         * Warning: The password is sent in plain-text over the network.
    
         *
    
         * @param   string  $password
    
         * @return  bool:   TRUE if the connection is authenticated, FALSE otherwise.
    
         * @link    http://redis.io/commands/auth
    
         * @example $redis->auth('foobared');
    
         */
    
        public function auth( $password ) {}
    
     
    
        /**
    
         * Starts the background rewrite of AOF (Append-Only File)
    
         *
    
         * @return  bool:   TRUE in case of success, FALSE in case of failure.
    
         * @link    http://redis.io/commands/bgrewriteaof
    
         * @example $redis->bgrewriteaof();
    
         */
    
        public function bgrewriteaof( ) {}
    
     
    
        /**
    
         * Changes the slave status
    
         * Either host and port, or no parameter to stop being a slave.
    
         *
    
         * @param   string  $host [optional]
    
         * @param   int $port [optional]
    
         * @return  bool:   TRUE in case of success, FALSE in case of failure.
    
         * @link    http://redis.io/commands/slaveof
    
         * @example
    
         * <pre>
    
         * $redis->slaveof('10.0.1.7', 6379);
    
         * // ...
    
         * $redis->slaveof();
    
         * </pre>
    
         */
    
        public function slaveof( $host = '127.0.0.1', $port = 6379 ) {}
    
     
    
        /**
    
         * Describes the object pointed to by a key.
    
         * The information to retrieve (string) and the key (string).
    
         * Info can be one of the following:
    
         * - "encoding"
    
         * - "refcount"
    
         * - "idletime"
    
         *
    
         * @param   string  $string
    
         * @param   string  $key
    
         * @return  string  for "encoding", int for "refcount" and "idletime", FALSE if the key doesn't exist.
    
         * @link    http://redis.io/commands/object
    
         * @example
    
         * <pre>
    
         * $redis->object("encoding", "l"); // → ziplist
    
         * $redis->object("refcount", "l"); // → 1
    
         * $redis->object("idletime", "l"); // → 400 (in seconds, with a precision of 10 seconds).
    
         * </pre>
    
         */
    
        public function object( $string = '', $key = '' ) {}
    
     
    
        /**
    
         * Performs a synchronous save.
    
         *
    
         * @return  bool:   TRUE in case of success, FALSE in case of failure.
    
         * If a save is already running, this command will fail and return FALSE.
    
         * @link    http://redis.io/commands/save
    
         * @example $redis->save();
    
         */
    
        public function save( ) {}
    
     
    
        /**
    
         * Performs a background save.
    
         *
    
         * @return  bool:    TRUE in case of success, FALSE in case of failure.
    
         * If a save is already running, this command will fail and return FALSE.
    
         * @link    http://redis.io/commands/bgsave
    
         * @example $redis->bgSave();
    
         */
    
        public function bgsave( ) {}
    
     
    
        /**
    
         * Returns the timestamp of the last disk save.
    
         *
    
         * @return  int:    timestamp.
    
         * @link    http://redis.io/commands/lastsave
    
         * @example $redis->lastSave();
    
         */
    
        public function lastSave( ) {}
    
     
    
     
    
        /**
    
         * Returns the type of data pointed by a given key.
    
         *
    
         * @param   string  $key
    
         * @return  int
    
         *
    
         * Depending on the type of the data pointed by the key,
    
         * this method will return the following value:
    
         * - string: Redis::REDIS_STRING
    
         * - set:   Redis::REDIS_SET
    
         * - list:  Redis::REDIS_LIST
    
         * - zset:  Redis::REDIS_ZSET
    
         * - hash:  Redis::REDIS_HASH
    
         * - other: Redis::REDIS_NOT_FOUND
    
         * @link    http://redis.io/commands/type
    
         * @example $redis->type('key');
    
         */
    
        public function type( $key ) {}
    
     
    
        /**
    
         * Append specified string to the string stored in specified key.
    
         *
    
         * @param   string  $key
    
         * @param   string  $value
    
         * @return  int:    Size of the value after the append
    
         * @link    http://redis.io/commands/append
    
         * @example
    
         * <pre>
    
         * $redis->set('key', 'value1');
    
         * $redis->append('key', 'value2'); // 12
    
         * $redis->get('key');              // 'value1value2'
    
         * </pre>
    
         */
    
        public function append( $key, $value ) {}
    
     
    
     
    
        /**
    
         * Return a substring of a larger string
    
         *
    
         * @param   string  $key
    
         * @param   int     $start
    
         * @param   int     $end
    
         * @return  string: the substring
    
         * @link    http://redis.io/commands/getrange
    
         * @example
    
         * <pre>
    
         * $redis->set('key', 'string value');
    
         * $redis->getRange('key', 0, 5);   // 'string'
    
         * $redis->getRange('key', -5, -1); // 'value'
    
         * </pre>
    
         */
    
        public function getRange( $key, $start, $end ) {}
    
     
    
        /**
    
         * Return a substring of a larger string
    
         *
    
         * @deprecated
    
         * @param   string  $key
    
         * @param   int     $start
    
         * @param   int     $end
    
         */
    
        public function substr( $key, $start, $end ) {}
    
     
    
     
    
        /**
    
         * Changes a substring of a larger string.
    
         *
    
         * @param   string  $key
    
         * @param   int     $offset
    
         * @param   string  $value
    
         * @return  string: the length of the string after it was modified.
    
         * @link    http://redis.io/commands/setrange
    
         * @example
    
         * <pre>
    
         * $redis->set('key', 'Hello world');
    
         * $redis->setRange('key', 6, "redis"); // returns 11
    
         * $redis->get('key');                  // "Hello redis"
    
         * </pre>
    
         */
    
        public function setRange( $key, $offset, $value ) {}
    
     
    
        /**
    
         * Get the length of a string value.
    
         *
    
         * @param   string  $key
    
         * @return  int
    
         * @link    http://redis.io/commands/strlen
    
         * @example
    
         * <pre>
    
         * $redis->set('key', 'value');
    
         * $redis->strlen('key'); // 5
    
         * </pre>
    
         */
    
        public function strlen( $key ) {}
    
     
    
        /**
    
         * Return a single bit out of a larger string
    
         *
    
         * @param   string  $key
    
         * @param   int     $offset
    
         * @return  int:    the bit value (0 or 1)
    
         * @link    http://redis.io/commands/getbit
    
         * @example
    
         * <pre>
    
         * $redis->set('key', "x7f");  // this is 0111 1111
    
         * $redis->getBit('key', 0);    // 0
    
         * $redis->getBit('key', 1);    // 1
    
         * </pre>
    
         */
    
        public function getBit( $key, $offset ) {}
    
     
    
        /**
    
         * Changes a single bit of a string.
    
         *
    
         * @param   string  $key
    
         * @param   int     $offset
    
         * @param   bool|int $value bool or int (1 or 0)
    
         * @return  int:    0 or 1, the value of the bit before it was set.
    
         * @link    http://redis.io/commands/setbit
    
         * @example
    
         * <pre>
    
         * $redis->set('key', "*");     // ord("*") = 42 = 0x2f = "0010 1010"
    
         * $redis->setBit('key', 5, 1); // returns 0
    
         * $redis->setBit('key', 7, 1); // returns 0
    
         * $redis->get('key');          // chr(0x2f) = "/" = b("0010 1111")
    
         * </pre>
    
         */
    
        public function setBit( $key, $offset, $value ) {}
    
     
    
        /**
    
         * Count bits in a string.
    
         *
    
         * @param   string  $key
    
         * @return  int     The number of bits set to 1 in the value behind the input key.
    
         * @link    http://redis.io/commands/bitcount
    
         * @example
    
         * <pre>
    
         * $redis->set('bit', '345'); // // 11 0011  0011 0100  0011 0101
    
         * var_dump( $redis->bitCount('bit', 0, 0) ); // int(4)
    
         * var_dump( $redis->bitCount('bit', 1, 1) ); // int(3)
    
         * var_dump( $redis->bitCount('bit', 2, 2) ); // int(4)
    
         * var_dump( $redis->bitCount('bit', 0, 2) ); // int(11)
    
         * </pre>
    
         */
    
        public function bitCount( $key ) {}
    
     
    
        /**
    
         * Bitwise operation on multiple keys.
    
         *
    
         * @param   string  $operation  either "AND", "OR", "NOT", "XOR"
    
         * @param   string  $retKey     return key
    
         * @param   string  $key1
    
         * @param   string  $key2
    
         * @return  int     The size of the string stored in the destination key.
    
         * @link    http://redis.io/commands/bitop
    
         * @example
    
         * <pre>
    
         * $redis->set('bit1', '1'); // 11 0001
    
         * $redis->set('bit2', '2'); // 11 0010
    
         *
    
         * $redis->bitOp('AND', 'bit', 'bit1', 'bit2'); // bit = 110000
    
         * $redis->bitOp('OR',  'bit', 'bit1', 'bit2'); // bit = 110011
    
         * $redis->bitOp('NOT', 'bit', 'bit1', 'bit2'); // bit = 110011
    
         * $redis->bitOp('XOR', 'bit', 'bit1', 'bit2'); // bit = 11
    
         * </pre>
    
         */
    
        public function bitOp( $operation, $retKey, $key1, $key2, $key3 = null ) {}
    
     
    
        /**
    
         * Removes all entries from the current database.
    
         *
    
         * @return  bool: Always TRUE.
    
         * @link    http://redis.io/commands/flushdb
    
         * @example $redis->flushDB();
    
         */
    
        public function flushDB( ) {}
    
     
    
        /**
    
         * Removes all entries from all databases.
    
         *
    
         * @return  bool: Always TRUE.
    
         * @link    http://redis.io/commands/flushall
    
         * @example $redis->flushAll();
    
         */
    
        public function flushAll( ) {}
    
     
    
        /**
    
         * Sort
    
         *
    
         * @param   string  $key
    
         * @param   array   $option array(key => value, ...) - optional, with the following keys and values:
    
         * - 'by' => 'some_pattern_*',
    
         * - 'limit' => array(0, 1),
    
         * - 'get' => 'some_other_pattern_*' or an array of patterns,
    
         * - 'sort' => 'asc' or 'desc',
    
         * - 'alpha' => TRUE,
    
         * - 'store' => 'external-key'
    
         * @return  array
    
         * An array of values, or a number corresponding to the number of elements stored if that was used.
    
         * @link    http://redis.io/commands/sort
    
         * @example
    
         * <pre>
    
         * $redis->delete('s');
    
         * $redis->sadd('s', 5);
    
         * $redis->sadd('s', 4);
    
         * $redis->sadd('s', 2);
    
         * $redis->sadd('s', 1);
    
         * $redis->sadd('s', 3);
    
         *
    
         * var_dump($redis->sort('s')); // 1,2,3,4,5
    
         * var_dump($redis->sort('s', array('sort' => 'desc'))); // 5,4,3,2,1
    
         * var_dump($redis->sort('s', array('sort' => 'desc', 'store' => 'out'))); // (int)5
    
         * </pre>
    
         */
    
        public function sort( $key, $option = null ) {}
    
     
    
     
    
        /**
    
         * Returns an associative array of strings and integers
    
         * @param   string   $option    Optional. The option to provide redis.
    
         * SERVER | CLIENTS | MEMORY | PERSISTENCE | STATS | REPLICATION | CPU | CLASTER | KEYSPACE | COMANDSTATS
    
         *
    
         * Returns an associative array of strings and integers, with the following keys:
    
         * - redis_version
    
         * - redis_git_sha1
    
         * - redis_git_dirty
    
         * - arch_bits
    
         * - multiplexing_api
    
         * - process_id
    
         * - uptime_in_seconds
    
         * - uptime_in_days
    
         * - lru_clock
    
         * - used_cpu_sys
    
         * - used_cpu_user
    
         * - used_cpu_sys_children
    
         * - used_cpu_user_children
    
         * - connected_clients
    
         * - connected_slaves
    
         * - client_longest_output_list
    
         * - client_biggest_input_buf
    
         * - blocked_clients
    
         * - used_memory
    
         * - used_memory_human
    
         * - used_memory_peak
    
         * - used_memory_peak_human
    
         * - mem_fragmentation_ratio
    
         * - mem_allocator
    
         * - loading
    
         * - aof_enabled
    
         * - changes_since_last_save
    
         * - bgsave_in_progress
    
         * - last_save_time
    
         * - total_connections_received
    
         * - total_commands_processed
    
         * - expired_keys
    
         * - evicted_keys
    
         * - keyspace_hits
    
         * - keyspace_misses
    
         * - hash_max_zipmap_entries
    
         * - hash_max_zipmap_value
    
         * - pubsub_channels
    
         * - pubsub_patterns
    
         * - latest_fork_usec
    
         * - vm_enabled
    
         * - role
    
         * @link    http://redis.io/commands/info
    
         * @return string
    
         * @example
    
         * <pre>
    
         * $redis->info();
    
         *
    
         * or
    
         *
    
         * $redis->info("COMMANDSTATS"); //Information on the commands that have been run (>=2.6 only)
    
         * $redis->info("CPU"); // just CPU information from Redis INFO
    
         * </pre>
    
         */
    
        public function info( $option = null ) {}
    
     
    
        /**
    
         * Resets the statistics reported by Redis using the INFO command (`info()` function).
    
         * These are the counters that are reset:
    
         *      - Keyspace hits
    
         *      - Keyspace misses
    
         *      - Number of commands processed
    
         *      - Number of connections received
    
         *      - Number of expired keys
    
         *
    
         * @return bool: `TRUE` in case of success, `FALSE` in case of failure.
    
         * @example $redis->resetStat();
    
         * @link http://redis.io/commands/config-resetstat
    
         */
    
        public function resetStat( ) {}
    
     
    
        /**
    
         * Returns the time to live left for a given key, in seconds. If the key doesn't exist, FALSE is returned.
    
         *
    
         * @param   string  $key
    
         * @return  int,    the time left to live in seconds.
    
         * @link    http://redis.io/commands/ttl
    
         * @example $redis->ttl('key');
    
         */
    
        public function ttl( $key ) {}
    
     
    
        /**
    
         * Returns a time to live left for a given key, in milliseconds.
    
         *
    
         * If the key doesn't exist, FALSE is returned.
    
         *
    
         * @param   string  $key
    
         * @return  int     the time left to live in milliseconds.
    
         * @link    http://redis.io/commands/pttl
    
         * @example $redis->pttl('key');
    
         */
    
        public function pttl( $key ) {}
    
     
    
        /**
    
         * Remove the expiration timer from a key.
    
         *
    
         * @param   string  $key
    
         * @return  bool:   TRUE if a timeout was removed, FALSE if the key didn’t exist or didn’t have an expiration timer.
    
         * @link    http://redis.io/commands/persist
    
         * @example $redis->persist('key');
    
         */
    
        public function persist( $key ) {}
    
     
    
        /**
    
         * Sets multiple key-value pairs in one atomic command.
    
         * MSETNX only returns TRUE if all the keys were set (see SETNX).
    
         *
    
         * @param   array(key => value) $array Pairs: array(key => value, ...)
    
         * @return  bool    TRUE in case of success, FALSE in case of failure.
    
         * @link    http://redis.io/commands/mset
    
         * @example
    
         * <pre>
    
         * $redis->mset(array('key0' => 'value0', 'key1' => 'value1'));
    
         * var_dump($redis->get('key0'));
    
         * var_dump($redis->get('key1'));
    
         * // Output:
    
         * // string(6) "value0"
    
         * // string(6) "value1"
    
         * </pre>
    
         */
    
        public function mset( array $array ) {}
    
     
    
     
    
        /**
    
         * Returns the values of all specified keys.
    
         *
    
         * For every key that does not hold a string value or does not exist,
    
         * the special value false is returned. Because of this, the operation never fails.
    
         *
    
         * @param array $array
    
         * @return array
    
         * @link http://redis.io/commands/mget
    
         * @example
    
         * <pre>
    
         * $redis->delete('x', 'y', 'z', 'h');    // remove x y z
    
         * $redis->mset(array('x' => 'a', 'y' => 'b', 'z' => 'c'));
    
         * $redis->hset('h', 'field', 'value');
    
         * var_dump($redis->mget(array('x', 'y', 'z', 'h')));
    
         * // Output:
    
         * // array(3) {
    
         * // [0]=>
    
         * // string(1) "a"
    
         * // [1]=>
    
         * // string(1) "b"
    
         * // [2]=>
    
         * // string(1) "c"
    
         * // [3]=>
    
         * // bool(false)
    
         * // }
    
         * </pre>
    
         */
    
        public function mget( array $array ) {}
    
     
    
        /**
    
         * @see mset()
    
         * @param   array $array
    
         * @return  int 1 (if the keys were set) or 0 (no key was set)
    
         * @link    http://redis.io/commands/msetnx
    
         */
    
        public function msetnx( array $array ) {}
    
     
    
        /**
    
         * Pops a value from the tail of a list, and pushes it to the front of another list.
    
         * Also return this value.
    
         *
    
         * @since   redis >= 1.1
    
         * @param   string  $srcKey
    
         * @param   string  $dstKey
    
         * @return  string  The element that was moved in case of success, FALSE in case of failure.
    
         * @link    http://redis.io/commands/rpoplpush
    
         * @example
    
         * <pre>
    
         * $redis->delete('x', 'y');
    
         *
    
         * $redis->lPush('x', 'abc');
    
         * $redis->lPush('x', 'def');
    
         * $redis->lPush('y', '123');
    
         * $redis->lPush('y', '456');
    
         *
    
         * // move the last of x to the front of y.
    
         * var_dump($redis->rpoplpush('x', 'y'));
    
         * var_dump($redis->lRange('x', 0, -1));
    
         * var_dump($redis->lRange('y', 0, -1));
    
         *
    
         * //Output:
    
         * //
    
         * //string(3) "abc"
    
         * //array(1) {
    
         * //  [0]=>
    
         * //  string(3) "def"
    
         * //}
    
         * //array(3) {
    
         * //  [0]=>
    
         * //  string(3) "abc"
    
         * //  [1]=>
    
         * //  string(3) "456"
    
         * //  [2]=>
    
         * //  string(3) "123"
    
         * //}
    
         * </pre>
    
         */
    
        public function rpoplpush( $srcKey, $dstKey ) {}
    
     
    
        /**
    
         * A blocking version of rpoplpush, with an integral timeout in the third parameter.
    
         *
    
         * @param   string  $srcKey
    
         * @param   string  $dstKey
    
         * @param   int     $timeout
    
         * @return  string  The element that was moved in case of success, FALSE in case of timeout.
    
         * @link    http://redis.io/commands/brpoplpush
    
         */
    
        public function brpoplpush( $srcKey, $dstKey, $timeout ) {}
    
     
    
        /**
    
         * Adds the specified member with a given score to the sorted set stored at key.
    
         *
    
         * @param   string  $key    Required key
    
         * @param   float   $score1 Required score
    
         * @param   string  $value1 Required value
    
         * @param   float   $score2 Optional score
    
         * @param   string  $value2 Optional value
    
         * @param   float   $scoreN Optional score
    
         * @param   string  $valueN Optional value
    
         * @return  int     Number of values added
    
         * @link    http://redis.io/commands/zadd
    
         * @example
    
         * <pre>
    
         * <pre>
    
         * $redis->zAdd('z', 1, 'v2', 2, 'v2', 3, 'v3', 4, 'v4' );  // int(2)
    
         * $redis->zRem('z', 'v2', 'v3');                           // int(2)
    
         * var_dump( $redis->zRange('z', 0, -1) );
    
         * //// Output:
    
         * // array(2) {
    
         * //   [0]=> string(2) "v1"
    
         * //   [1]=> string(2) "v4"
    
         * // }
    
         * </pre>
    
         * </pre>
    
         */
    
        public function zAdd( $key, $score1, $value1, $score2 = null, $value2 = null, $scoreN = null, $valueN = null ) {}
    
     
    
        /**
    
         * Returns a range of elements from the ordered set stored at the specified key,
    
         * with values in the range [start, end]. start and stop are interpreted as zero-based indices:
    
         * 0 the first element,
    
         * 1 the second ...
    
         * -1 the last element,
    
         * -2 the penultimate ...
    
         *
    
         * @param   string  $key
    
         * @param   int     $start
    
         * @param   int     $end
    
         * @param   bool    $withscores
    
         * @return  array   Array containing the values in specified range.
    
         * @link    http://redis.io/commands/zrange
    
         * @example
    
         * <pre>
    
         * $redis->zAdd('key1', 0, 'val0');
    
         * $redis->zAdd('key1', 2, 'val2');
    
         * $redis->zAdd('key1', 10, 'val10');
    
         * $redis->zRange('key1', 0, -1); // array('val0', 'val2', 'val10')
    
         * // with scores
    
         * $redis->zRange('key1', 0, -1, true); // array('val0' => 0, 'val2' => 2, 'val10' => 10)
    
         * </pre>
    
         */
    
        public function zRange( $key, $start, $end, $withscores = null ) {}
    
     
    
        /**
    
         * Deletes a specified member from the ordered set.
    
         *
    
         * @param   string  $key
    
         * @param   string  $member1
    
         * @param   string  $member2
    
         * @param   string  $memberN
    
         * @return  int     Number of deleted values
    
         * @link    http://redis.io/commands/zrem
    
         * @example
    
         * <pre>
    
         * $redis->zAdd('z', 1, 'v2', 2, 'v2', 3, 'v3', 4, 'v4' );  // int(2)
    
         * $redis->zRem('z', 'v2', 'v3');                           // int(2)
    
         * var_dump( $redis->zRange('z', 0, -1) );
    
         * //// Output:
    
         * // array(2) {
    
         * //   [0]=> string(2) "v1"
    
         * //   [1]=> string(2) "v4"
    
         * // }
    
         * </pre>
    
         */
    
        public function zRem( $key, $member1, $member2 = null, $memberN = null ) {}
    
     
    
        /**
    
         * @see zRem()
    
         * @param   string  $key
    
         * @param   string  $member1
    
         * @param   string  $member2
    
         * @param   string  $memberN
    
         * @return  int     Number of deleted values
    
         * @link    http://redis.io/commands/zrem
    
         */
    
        public function zDelete( $key, $member1, $member2 = null, $memberN = null ) {}
    
     
    
        /**
    
         * Returns the elements of the sorted set stored at the specified key in the range [start, end]
    
         * in reverse order. start and stop are interpretated as zero-based indices:
    
         * 0 the first element,
    
         * 1 the second ...
    
         * -1 the last element,
    
         * -2 the penultimate ...
    
         *
    
         * @param   string  $key
    
         * @param   int     $start
    
         * @param   int     $end
    
         * @param   bool    $withscore
    
         * @return  array   Array containing the values in specified range.
    
         * @link    http://redis.io/commands/zrevrange
    
         * @example
    
         * <pre>
    
         * $redis->zAdd('key', 0, 'val0');
    
         * $redis->zAdd('key', 2, 'val2');
    
         * $redis->zAdd('key', 10, 'val10');
    
         * $redis->zRevRange('key', 0, -1); // array('val10', 'val2', 'val0')
    
         *
    
         * // with scores
    
         * $redis->zRevRange('key', 0, -1, true); // array('val10' => 10, 'val2' => 2, 'val0' => 0)
    
         * </pre>
    
         */
    
        public function zRevRange( $key, $start, $end, $withscore = null ) {}
    
     
    
        /**
    
         * Returns the elements of the sorted set stored at the specified key which have scores in the
    
         * range [start,end]. Adding a parenthesis before start or end excludes it from the range.
    
         * +inf and -inf are also valid limits.
    
         *
    
         * zRevRangeByScore returns the same items in reverse order, when the start and end parameters are swapped.
    
         *
    
         * @param   string  $key
    
         * @param   int     $start
    
         * @param   int     $end
    
         * @param   array   $options Two options are available:
    
         *                      - withscores => TRUE,
    
         *                      - and limit => array($offset, $count)
    
         * @return  array   Array containing the values in specified range.
    
         * @link    http://redis.io/commands/zrangebyscore
    
         * @example
    
         * <pre>
    
         * $redis->zAdd('key', 0, 'val0');
    
         * $redis->zAdd('key', 2, 'val2');
    
         * $redis->zAdd('key', 10, 'val10');
    
         * $redis->zRangeByScore('key', 0, 3);                                          // array('val0', 'val2')
    
         * $redis->zRangeByScore('key', 0, 3, array('withscores' => TRUE);              // array('val0' => 0, 'val2' => 2)
    
         * $redis->zRangeByScore('key', 0, 3, array('limit' => array(1, 1));                        // array('val2' => 2)
    
         * $redis->zRangeByScore('key', 0, 3, array('limit' => array(1, 1));                        // array('val2')
    
         * $redis->zRangeByScore('key', 0, 3, array('withscores' => TRUE, 'limit' => array(1, 1));  // array('val2' => 2)
    
         * </pre>
    
         */
    
        public function zRangeByScore( $key, $start, $end, array $options = array() ) {}
    
     
    
        /**
    
         * @see zRangeByScore()
    
         * @param   string  $key
    
         * @param   int     $start
    
         * @param   int     $end
    
         * @param   array   $options
    
         *
    
         * @return     array
    
         */
    
        public function zRevRangeByScore( $key, $start, $end, array $options = array() ) {}
    
     
    
        /**
    
         * Returns the number of elements of the sorted set stored at the specified key which have
    
         * scores in the range [start,end]. Adding a parenthesis before start or end excludes it
    
         * from the range. +inf and -inf are also valid limits.
    
         *
    
         * @param   string  $key
    
         * @param   string  $start
    
         * @param   string  $end
    
         * @return  int     the size of a corresponding zRangeByScore.
    
         * @link    http://redis.io/commands/zcount
    
         * @example
    
         * <pre>
    
         * $redis->zAdd('key', 0, 'val0');
    
         * $redis->zAdd('key', 2, 'val2');
    
         * $redis->zAdd('key', 10, 'val10');
    
         * $redis->zCount('key', 0, 3); // 2, corresponding to array('val0', 'val2')
    
         * </pre>
    
         */
    
        public function zCount( $key, $start, $end ) {}
    
     
    
        /**
    
         * Deletes the elements of the sorted set stored at the specified key which have scores in the range [start,end].
    
         *
    
         * @param   string          $key
    
         * @param   float|string    $start double or "+inf" or "-inf" string
    
         * @param   float|string    $end double or "+inf" or "-inf" string
    
         * @return  int             The number of values deleted from the sorted set
    
         * @link    http://redis.io/commands/zremrangebyscore
    
         * @example
    
         * <pre>
    
         * $redis->zAdd('key', 0, 'val0');
    
         * $redis->zAdd('key', 2, 'val2');
    
         * $redis->zAdd('key', 10, 'val10');
    
         * $redis->zRemRangeByScore('key', 0, 3); // 2
    
         * </pre>
    
         */
    
        public function zRemRangeByScore( $key, $start, $end ) {}
    
     
    
        /**
    
         * @see zRemRangeByScore()
    
         * @param string    $key
    
         * @param float     $start
    
         * @param float     $end
    
         */
    
        public function zDeleteRangeByScore( $key, $start, $end ) {}
    
     
    
        /**
    
         * Deletes the elements of the sorted set stored at the specified key which have rank in the range [start,end].
    
         *
    
         * @param   string  $key
    
         * @param   int     $start
    
         * @param   int     $end
    
         * @return  int     The number of values deleted from the sorted set
    
         * @link    http://redis.io/commands/zremrangebyrank
    
         * @example
    
         * <pre>
    
         * $redis->zAdd('key', 1, 'one');
    
         * $redis->zAdd('key', 2, 'two');
    
         * $redis->zAdd('key', 3, 'three');
    
         * $redis->zRemRangeByRank('key', 0, 1); // 2
    
         * $redis->zRange('key', 0, -1, array('withscores' => TRUE)); // array('three' => 3)
    
         * </pre>
    
         */
    
        public function zRemRangeByRank( $key, $start, $end ) {}
    
     
    
        /**
    
         * @see zRemRangeByRank()
    
         * @param   string  $key
    
         * @param   int     $start
    
         * @param   int     $end
    
         * @link    http://redis.io/commands/zremrangebyscore
    
         */
    
        public function zDeleteRangeByRank( $key, $start, $end ) {}
    
     
    
        /**
    
         * Returns the cardinality of an ordered set.
    
         *
    
         * @param   string  $key
    
         * @return  int     the set's cardinality
    
         * @link    http://redis.io/commands/zsize
    
         * @example
    
         * <pre>
    
         * $redis->zAdd('key', 0, 'val0');
    
         * $redis->zAdd('key', 2, 'val2');
    
         * $redis->zAdd('key', 10, 'val10');
    
         * $redis->zCard('key');            // 3
    
         * </pre>
    
         */
    
        public function zCard( $key ) {}
    
     
    
        /**
    
         * @see zCard()
    
         * @param string $key
    
         */
    
        public function zSize( $key ) {}
    
     
    
        /**
    
         * Returns the score of a given member in the specified sorted set.
    
         *
    
         * @param   string  $key
    
         * @param   string  $member
    
         * @return  float
    
         * @link    http://redis.io/commands/zscore
    
         * @example
    
         * <pre>
    
         * $redis->zAdd('key', 2.5, 'val2');
    
         * $redis->zScore('key', 'val2'); // 2.5
    
         * </pre>
    
         */
    
        public function zScore( $key, $member ) {}
    
     
    
        /**
    
         * Returns the rank of a given member in the specified sorted set, starting at 0 for the item
    
         * with the smallest score. zRevRank starts at 0 for the item with the largest score.
    
         *
    
         * @param   string  $key
    
         * @param   string  $member
    
         * @return  int     the item's score.
    
         * @link    http://redis.io/commands/zrank
    
         * @example
    
         * <pre>
    
         * $redis->delete('z');
    
         * $redis->zAdd('key', 1, 'one');
    
         * $redis->zAdd('key', 2, 'two');
    
         * $redis->zRank('key', 'one');     // 0
    
         * $redis->zRank('key', 'two');     // 1
    
         * $redis->zRevRank('key', 'one');  // 1
    
         * $redis->zRevRank('key', 'two');  // 0
    
         * </pre>
    
         */
    
        public function zRank( $key, $member ) {}
    
     
    
        /**
    
         * @see zRank()
    
         * @param  string $key
    
         * @param  string $member
    
         * @return int    the item's score
    
         * @link   http://redis.io/commands/zrevrank
    
         */
    
        public function zRevRank( $key, $member ) {}
    
     
    
        /**
    
         * Increments the score of a member from a sorted set by a given amount.
    
         *
    
         * @param   string  $key
    
         * @param   float   $value (double) value that will be added to the member's score
    
         * @param   string  $member
    
         * @return  float   the new value
    
         * @link    http://redis.io/commands/zincrby
    
         * @example
    
         * <pre>
    
         * $redis->delete('key');
    
         * $redis->zIncrBy('key', 2.5, 'member1');  // key or member1 didn't exist, so member1's score is to 0
    
         *                                          // before the increment and now has the value 2.5
    
         * $redis->zIncrBy('key', 1, 'member1');    // 3.5
    
         * </pre>
    
         */
    
        public function zIncrBy( $key, $value, $member ) {}
    
     
    
        /**
    
         * Creates an union of sorted sets given in second argument.
    
         * The result of the union will be stored in the sorted set defined by the first argument.
    
         * The third optionnel argument defines weights to apply to the sorted sets in input.
    
         * In this case, the weights will be multiplied by the score of each element in the sorted set
    
         * before applying the aggregation. The forth argument defines the AGGREGATE option which
    
         * specify how the results of the union are aggregated.
    
         *
    
         * @param string    $Output
    
         * @param array     $ZSetKeys
    
         * @param array     $Weights
    
         * @param string    $aggregateFunction  Either "SUM", "MIN", or "MAX": defines the behaviour to use on
    
         * duplicate entries during the zUnion.
    
         * @return int The number of values in the new sorted set.
    
         * @link    http://redis.io/commands/zunionstore
    
         * @example
    
         * <pre>
    
         * $redis->delete('k1');
    
         * $redis->delete('k2');
    
         * $redis->delete('k3');
    
         * $redis->delete('ko1');
    
         * $redis->delete('ko2');
    
         * $redis->delete('ko3');
    
         *
    
         * $redis->zAdd('k1', 0, 'val0');
    
         * $redis->zAdd('k1', 1, 'val1');
    
         *
    
         * $redis->zAdd('k2', 2, 'val2');
    
         * $redis->zAdd('k2', 3, 'val3');
    
         *
    
         * $redis->zUnion('ko1', array('k1', 'k2')); // 4, 'ko1' => array('val0', 'val1', 'val2', 'val3')
    
         *
    
         * // Weighted zUnion
    
         * $redis->zUnion('ko2', array('k1', 'k2'), array(1, 1)); // 4, 'ko2' => array('val0', 'val1', 'val2', 'val3')
    
         * $redis->zUnion('ko3', array('k1', 'k2'), array(5, 1)); // 4, 'ko3' => array('val0', 'val2', 'val3', 'val1')
    
         * </pre>
    
         */
    
        public function zUnion($Output, $ZSetKeys, array $Weights = null, $aggregateFunction = 'SUM') {}
    
     
    
        /**
    
         * Creates an intersection of sorted sets given in second argument.
    
         * The result of the union will be stored in the sorted set defined by the first argument.
    
         * The third optional argument defines weights to apply to the sorted sets in input.
    
         * In this case, the weights will be multiplied by the score of each element in the sorted set
    
         * before applying the aggregation. The forth argument defines the AGGREGATE option which
    
         * specify how the results of the union are aggregated.
    
         *
    
         * @param   string  $Output
    
         * @param   array   $ZSetKeys
    
         * @param   array   $Weights
    
         * @param   string  $aggregateFunction Either "SUM", "MIN", or "MAX":
    
         * defines the behaviour to use on duplicate entries during the zInter.
    
         * @return  int     The number of values in the new sorted set.
    
         * @link    http://redis.io/commands/zinterstore
    
         * @example
    
         * <pre>
    
         * $redis->delete('k1');
    
         * $redis->delete('k2');
    
         * $redis->delete('k3');
    
         *
    
         * $redis->delete('ko1');
    
         * $redis->delete('ko2');
    
         * $redis->delete('ko3');
    
         * $redis->delete('ko4');
    
         *
    
         * $redis->zAdd('k1', 0, 'val0');
    
         * $redis->zAdd('k1', 1, 'val1');
    
         * $redis->zAdd('k1', 3, 'val3');
    
         *
    
         * $redis->zAdd('k2', 2, 'val1');
    
         * $redis->zAdd('k2', 3, 'val3');
    
         *
    
         * $redis->zInter('ko1', array('k1', 'k2'));               // 2, 'ko1' => array('val1', 'val3')
    
         * $redis->zInter('ko2', array('k1', 'k2'), array(1, 1));  // 2, 'ko2' => array('val1', 'val3')
    
         *
    
         * // Weighted zInter
    
         * $redis->zInter('ko3', array('k1', 'k2'), array(1, 5), 'min'); // 2, 'ko3' => array('val1', 'val3')
    
         * $redis->zInter('ko4', array('k1', 'k2'), array(1, 5), 'max'); // 2, 'ko4' => array('val3', 'val1')
    
         * </pre>
    
         */
    
        public function zInter($Output, $ZSetKeys, array $Weights = null, $aggregateFunction = 'SUM') {}
    
     
    
        /**
    
         * Adds a value to the hash stored at key. If this value is already in the hash, FALSE is returned.
    
         *
    
         * @param string $key
    
         * @param string $hashKey
    
         * @param string $value
    
         * @return int
    
         * 1 if value didn't exist and was added successfully,
    
         * 0 if the value was already present and was replaced, FALSE if there was an error.
    
         * @link    http://redis.io/commands/hset
    
         * @example
    
         * <pre>
    
         * $redis->delete('h')
    
         * $redis->hSet('h', 'key1', 'hello');  // 1, 'key1' => 'hello' in the hash at "h"
    
         * $redis->hGet('h', 'key1');           // returns "hello"
    
         *
    
         * $redis->hSet('h', 'key1', 'plop');   // 0, value was replaced.
    
         * $redis->hGet('h', 'key1');           // returns "plop"
    
         * </pre>
    
         */
    
        public function hSet( $key, $hashKey, $value ) {}
    
     
    
        /**
    
         * Adds a value to the hash stored at key only if this field isn't already in the hash.
    
         *
    
         * @param   string  $key
    
         * @param   string  $hashKey
    
         * @param   string  $value
    
         * @return  bool    TRUE if the field was set, FALSE if it was already present.
    
         * @link    http://redis.io/commands/hsetnx
    
         * @example
    
         * <pre>
    
         * $redis->delete('h')
    
         * $redis->hSetNx('h', 'key1', 'hello'); // TRUE, 'key1' => 'hello' in the hash at "h"
    
         * $redis->hSetNx('h', 'key1', 'world'); // FALSE, 'key1' => 'hello' in the hash at "h". No change since the field
    
         * wasn't replaced.
    
         * </pre>
    
         */
    
        public function hSetNx( $key, $hashKey, $value ) {}
    
     
    
        /**
    
         * Gets a value from the hash stored at key.
    
         * If the hash table doesn't exist, or the key doesn't exist, FALSE is returned.
    
         *
    
         * @param   string  $key
    
         * @param   string  $hashKey
    
         * @return  string  The value, if the command executed successfully BOOL FALSE in case of failure
    
         * @link    http://redis.io/commands/hget
    
         */
    
        public function hGet($key, $hashKey) {}
    
     
    
        /**
    
         * Returns the length of a hash, in number of items
    
         *
    
         * @param   string  $key
    
         * @return  int     the number of items in a hash, FALSE if the key doesn't exist or isn't a hash.
    
         * @link    http://redis.io/commands/hlen
    
         * @example
    
         * <pre>
    
         * $redis->delete('h')
    
         * $redis->hSet('h', 'key1', 'hello');
    
         * $redis->hSet('h', 'key2', 'plop');
    
         * $redis->hLen('h'); // returns 2
    
         * </pre>
    
         */
    
        public function hLen( $key ) {}
    
     
    
        /**
    
         * Removes a values from the hash stored at key.
    
         * If the hash table doesn't exist, or the key doesn't exist, FALSE is returned.
    
         *
    
         * @param   string  $key
    
         * @param   string  $hashKey1
    
         * @param   string  $hashKey2
    
         * @param   string  $hashKeyN
    
         * @return  int     Number of deleted fields
    
         * @link    http://redis.io/commands/hdel
    
         * @example
    
         * <pre>
    
         * $redis->hMSet('h',
    
         *               array(
    
         *                    'f1' => 'v1',
    
         *                    'f2' => 'v2',
    
         *                    'f3' => 'v3',
    
         *                    'f4' => 'v4',
    
         *               ));
    
         *
    
         * var_dump( $redis->hDel('h', 'f1') );        // int(1)
    
         * var_dump( $redis->hDel('h', 'f2', 'f3') );  // int(2)
    
         * s
    
         * var_dump( $redis->hGetAll('h') );
    
         * //// Output:
    
         * //  array(1) {
    
         * //    ["f4"]=> string(2) "v4"
    
         * //  }
    
         * </pre>
    
         */
    
        public function hDel( $key, $hashKey1, $hashKey2 = null, $hashKeyN = null ) {}
    
     
    
        /**
    
         * Returns the keys in a hash, as an array of strings.
    
         *
    
         * @param   string  $key
    
         * @return  array   An array of elements, the keys of the hash. This works like PHP's array_keys().
    
         * @link    http://redis.io/commands/hkeys
    
         * @example
    
         * <pre>
    
         * $redis->delete('h');
    
         * $redis->hSet('h', 'a', 'x');
    
         * $redis->hSet('h', 'b', 'y');
    
         * $redis->hSet('h', 'c', 'z');
    
         * $redis->hSet('h', 'd', 't');
    
         * var_dump($redis->hKeys('h'));
    
         *
    
         * // Output:
    
         * // array(4) {
    
         * // [0]=>
    
         * // string(1) "a"
    
         * // [1]=>
    
         * // string(1) "b"
    
         * // [2]=>
    
         * // string(1) "c"
    
         * // [3]=>
    
         * // string(1) "d"
    
         * // }
    
         * // The order is random and corresponds to redis' own internal representation of the set structure.
    
         * </pre>
    
         */
    
        public function hKeys( $key ) {}
    
     
    
        /**
    
         * Returns the values in a hash, as an array of strings.
    
         *
    
         * @param   string  $key
    
         * @return  array   An array of elements, the values of the hash. This works like PHP's array_values().
    
         * @link    http://redis.io/commands/hvals
    
         * @example
    
         * <pre>
    
         * $redis->delete('h');
    
         * $redis->hSet('h', 'a', 'x');
    
         * $redis->hSet('h', 'b', 'y');
    
         * $redis->hSet('h', 'c', 'z');
    
         * $redis->hSet('h', 'd', 't');
    
         * var_dump($redis->hVals('h'));
    
         *
    
         * // Output
    
         * // array(4) {
    
         * //   [0]=>
    
         * //   string(1) "x"
    
         * //   [1]=>
    
         * //   string(1) "y"
    
         * //   [2]=>
    
         * //   string(1) "z"
    
         * //   [3]=>
    
         * //   string(1) "t"
    
         * // }
    
         * // The order is random and corresponds to redis' own internal representation of the set structure.
    
         * </pre>
    
         */
    
        public function hVals( $key ) {}
    
     
    
        /**
    
         * Returns the whole hash, as an array of strings indexed by strings.
    
         *
    
         * @param   string  $key
    
         * @return  array   An array of elements, the contents of the hash.
    
         * @link    http://redis.io/commands/hgetall
    
         * @example
    
         * <pre>
    
         * $redis->delete('h');
    
         * $redis->hSet('h', 'a', 'x');
    
         * $redis->hSet('h', 'b', 'y');
    
         * $redis->hSet('h', 'c', 'z');
    
         * $redis->hSet('h', 'd', 't');
    
         * var_dump($redis->hGetAll('h'));
    
         *
    
         * // Output:
    
         * // array(4) {
    
         * //   ["a"]=>
    
         * //   string(1) "x"
    
         * //   ["b"]=>
    
         * //   string(1) "y"
    
         * //   ["c"]=>
    
         * //   string(1) "z"
    
         * //   ["d"]=>
    
         * //   string(1) "t"
    
         * // }
    
         * // The order is random and corresponds to redis' own internal representation of the set structure.
    
         * </pre>
    
         */
    
        public function hGetAll( $key ) {}
    
     
    
        /**
    
         * Verify if the specified member exists in a key.
    
         *
    
         * @param   string  $key
    
         * @param   string  $hashKey
    
         * @return  bool:   If the member exists in the hash table, return TRUE, otherwise return FALSE.
    
         * @link    http://redis.io/commands/hexists
    
         * @example
    
         * <pre>
    
         * $redis->hSet('h', 'a', 'x');
    
         * $redis->hExists('h', 'a');               //  TRUE
    
         * $redis->hExists('h', 'NonExistingKey');  // FALSE
    
         * </pre>
    
         */
    
        public function hExists( $key, $hashKey ) {}
    
     
    
        /**
    
         * Increments the value of a member from a hash by a given amount.
    
         *
    
         * @param   string  $key
    
         * @param   string  $hashKey
    
         * @param   int     $value (integer) value that will be added to the member's value
    
         * @return  int     the new value
    
         * @link    http://redis.io/commands/hincrby
    
         * @example
    
         * <pre>
    
         * $redis->delete('h');
    
         * $redis->hIncrBy('h', 'x', 2); // returns 2: h[x] = 2 now.
    
         * $redis->hIncrBy('h', 'x', 1); // h[x] ← 2 + 1. Returns 3
    
         * </pre>
    
         */
    
        public function hIncrBy( $key, $hashKey, $value ) {}
    
     
    
        /**
    
         * Increment the float value of a hash field by the given amount
    
         * @param   string  $key
    
         * @param   string  $field
    
         * @param   float   $increment
    
         * @return  float
    
         * @link    http://redis.io/commands/hincrbyfloat
    
         * @example
    
         * <pre>
    
         * $redis = new Redis();
    
         * $redis->connect('127.0.0.1');
    
         * $redis->hset('h', 'float', 3);
    
         * $redis->hset('h', 'int',   3);
    
         * var_dump( $redis->hIncrByFloat('h', 'float', 1.5) ); // float(4.5)
    
         *
    
         * var_dump( $redis->hGetAll('h') );
    
         *
    
         * // Output
    
         *  array(2) {
    
         *    ["float"]=>
    
         *    string(3) "4.5"
    
         *    ["int"]=>
    
         *    string(1) "3"
    
         *  }
    
         * </pre>
    
         */
    
        public function hIncrByFloat( $key, $field, $increment ) {}
    
     
    
        /**
    
         * Fills in a whole hash. Non-string values are converted to string, using the standard (string) cast.
    
         * NULL values are stored as empty strings
    
         *
    
         * @param   string  $key
    
         * @param   array   $hashKeys key → value array
    
         * @return  bool
    
         * @link    http://redis.io/commands/hmset
    
         * @example
    
         * <pre>
    
         * $redis->delete('user:1');
    
         * $redis->hMset('user:1', array('name' => 'Joe', 'salary' => 2000));
    
         * $redis->hIncrBy('user:1', 'salary', 100); // Joe earns 100 more now.
    
         * </pre>
    
         */
    
        public function hMset( $key, $hashKeys ) {}
    
     
    
        /**
    
         * Retirieve the values associated to the specified fields in the hash.
    
         *
    
         * @param   string  $key
    
         * @param   array   $hashKeys
    
         * @return  array   Array An array of elements, the values of the specified fields in the hash,
    
         * with the hash keys as array keys.
    
         * @link    http://redis.io/commands/hmget
    
         * @example
    
         * <pre>
    
         * $redis->delete('h');
    
         * $redis->hSet('h', 'field1', 'value1');
    
         * $redis->hSet('h', 'field2', 'value2');
    
         * $redis->hmGet('h', array('field1', 'field2')); // returns array('field1' => 'value1', 'field2' => 'value2')
    
         * </pre>
    
         */
    
        public function hMGet( $key, $hashKeys ) {}
    
     
    
        /**
    
         * Get or Set the redis config keys.
    
         *
    
         * @param   string  $operation  either `GET` or `SET`
    
         * @param   string  $key        for `SET`, glob-pattern for `GET`. See http://redis.io/commands/config-get for examples.
    
         * @param   string  $value      optional string (only for `SET`)
    
         * @return  array   Associative array for `GET`, key -> value
    
         * @link    http://redis.io/commands/config-get
    
         * @link    http://redis.io/commands/config-set
    
         * @example
    
         * <pre>
    
         * $redis->config("GET", "*max-*-entries*");
    
         * $redis->config("SET", "dir", "/var/run/redis/dumps/");
    
         * </pre>
    
         */
    
        public function config( $operation, $key, $value ) {}
    
     
    
        /**
    
         * @see eval()
    
         * @param string $script
    
         * @param array  $args
    
         * @param int    $numKeys
    
         */
    
        public function evaluate( $script, $args = array(), $numKeys = 0 ) {}
    
     
    
        /**
    
         * Evaluate a LUA script serverside, from the SHA1 hash of the script instead of the script itself.
    
         * In order to run this command Redis will have to have already loaded the script, either by running it or via
    
         * the SCRIPT LOAD command.
    
         * @param   string  $scriptSha
    
         * @param   array   $args
    
         * @param   int     $numKeys
    
         * @return  mixed. @see eval()
    
         * @see     eval()
    
         * @link    http://redis.io/commands/evalsha
    
         * @example
    
         * <pre>
    
         * $script = 'return 1';
    
         * $sha = $redis->script('load', $script);
    
         * $redis->evalSha($sha); // Returns 1
    
         * </pre>
    
         */
    
        public function evalSha( $scriptSha, $args = array(), $numKeys = 0 ) {}
    
     
    
        /**
    
         * @see evalSha()
    
         * @param string $scriptSha
    
         * @param array  $args
    
         * @param int    $numKeys
    
         */
    
        public function evaluateSha( $scriptSha, $args = array(), $numKeys = 0 ) {}
    
     
    
        /**
    
         * Execute the Redis SCRIPT command to perform various operations on the scripting subsystem.
    
         * @param   string  $command load | flush | kill | exists
    
         * @param   string  $script
    
         * @return  mixed
    
         * @link    http://redis.io/commands/script-load
    
         * @link    http://redis.io/commands/script-kill
    
         * @link    http://redis.io/commands/script-flush
    
         * @link    http://redis.io/commands/script-exists
    
         * @example
    
         * <pre>
    
         * $redis->script('load', $script);
    
         * $redis->script('flush');
    
         * $redis->script('kill');
    
         * $redis->script('exists', $script1, [$script2, $script3, ...]);
    
         * </pre>
    
         *
    
         * SCRIPT LOAD will return the SHA1 hash of the passed script on success, and FALSE on failure.
    
         * SCRIPT FLUSH should always return TRUE
    
         * SCRIPT KILL will return true if a script was able to be killed and false if not
    
         * SCRIPT EXISTS will return an array with TRUE or FALSE for each passed script
    
         */
    
        public function script( $command, $script ) {}
    
     
    
        /**
    
         * The last error message (if any)
    
         * @return  string  A string with the last returned script based error message, or NULL if there is no error
    
         * @example
    
         * <pre>
    
         * $redis->eval('this-is-not-lua');
    
         * $err = $redis->getLastError();
    
         * // "ERR Error compiling script (new function): user_script:1: '=' expected near '-'"
    
         * </pre>
    
         */
    
        public function getLastError() {}
    
     
    
        /**
    
         * Clear the last error message
    
         *
    
         * @return bool true
    
         * @example
    
         * <pre>
    
         * $redis->set('x', 'a');
    
         * $redis->incr('x');
    
         * $err = $redis->getLastError();
    
         * // "ERR value is not an integer or out of range"
    
         * $redis->clearLastError();
    
         * $err = $redis->getLastError();
    
         * // NULL
    
         * </pre>
    
         */
    
        public function clearLastError() {}
    
     
    
        /**
    
         * A utility method to prefix the value with the prefix setting for phpredis.
    
         * @param   $value  The value you wish to prefix
    
         * @return  string  If a prefix is set up, the value now prefixed.  If there is no prefix, the value will be returned unchanged.
    
         * @example
    
         * <pre>
    
         * $redis->setOption(Redis::OPT_PREFIX, 'my-prefix:');
    
         * $redis->_prefix('my-value'); // Will return 'my-prefix:my-value'
    
         * </pre>
    
         */
    
        public function _prefix( $value ) {}
    
     
    
        /**
    
         * A utility method to unserialize data with whatever serializer is set up.  If there is no serializer set, the
    
         * value will be returned unchanged.  If there is a serializer set up, and the data passed in is malformed, an
    
         * exception will be thrown. This can be useful if phpredis is serializing values, and you return something from
    
         * redis in a LUA script that is serialized.
    
         * @param   string  $value  The value to be unserialized
    
         * @return mixed
    
         * @example
    
         * <pre>
    
         * $redis->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_PHP);
    
         * $redis->_unserialize('a:3:{i:0;i:1;i:1;i:2;i:2;i:3;}'); // Will return Array(1,2,3)
    
         * </pre>
    
         */
    
        public function _unserialize( $value ) {}
    
     
    
        /**
    
         * Dump a key out of a redis database, the value of which can later be passed into redis using the RESTORE command.
    
         * The data that comes out of DUMP is a binary representation of the key as Redis stores it.
    
         * @param   string  $key
    
         * @return  string  The Redis encoded value of the key, or FALSE if the key doesn't exist
    
         * @link    http://redis.io/commands/dump
    
         * @example
    
         * <pre>
    
         * $redis->set('foo', 'bar');
    
         * $val = $redis->dump('foo'); // $val will be the Redis encoded key value
    
         * </pre>
    
         */
    
        public function dump( $key ) {}
    
     
    
        /**
    
         * Restore a key from the result of a DUMP operation.
    
         *
    
         * @param   string  $key    The key name
    
         * @param   int     $ttl    How long the key should live (if zero, no expire will be set on the key)
    
         * @param   string  $value  (binary).  The Redis encoded key value (from DUMP)
    
         * @return  bool
    
         * @link    http://redis.io/commands/restore
    
         * @example
    
         * <pre>
    
         * $redis->set('foo', 'bar');
    
         * $val = $redis->dump('foo');
    
         * $redis->restore('bar', 0, $val); // The key 'bar', will now be equal to the key 'foo'
    
         * </pre>
    
         */
    
        public function restore( $key, $ttl, $value ) {}
    
     
    
        /**
    
         * Migrates a key to a different Redis instance.
    
         *
    
         * @param   string  $host       The destination host
    
         * @param   int     $port       The TCP port to connect to.
    
         * @param   string  $key        The key to migrate.
    
         * @param   int     $db         The target DB.
    
         * @param   int     $timeout    The maximum amount of time given to this transfer.
    
         * @return  bool
    
         * @link    http://redis.io/commands/migrate
    
         * @example
    
         * <pre>
    
         * $redis->migrate('backup', 6379, 'foo', 0, 3600);
    
         * </pre>
    
         */
    
        public function migrate( $host, $port, $key, $db, $timeout ) {}
    
     
    
        /**
    
         * Return the current Redis server time.
    
         * @return  array If successfull, the time will come back as an associative array with element zero being the
    
         * unix timestamp, and element one being microseconds.
    
         * @link    http://redis.io/commands/time
    
         * <pre>
    
         * var_dump( $redis->time() );
    
         * // array(2) {
    
         * //   [0] => string(10) "1342364352"
    
         * //   [1] => string(6) "253002"
    
         * // }
    
         * </pre>
    
         */
    
        public function time() {}
    
    }
    
     
    
    class RedisException extends Exception {}
    
     
    
    class RedisArray {
    
        /**
    
         * Constructor
    
         *
    
         * @param   string  $name   Name of the redis array to create (required if using redis.ini to define array)
    
         * @param   array   $hosts  Array of hosts to construct the array with
    
         * @param   array   $opts   Array of options
    
         * @link    https://github.com/nicolasff/phpredis/blob/master/arrays.markdown
    
         */
    
        function __construct($name = '', array $hosts = NULL, array $opts = NULL) {}
    
     
    
        /**
    
         * @return  array   list of hosts for the selected array
    
         */
    
        public function _hosts() {}
    
     
    
        /**
    
         * @return  string  the name of the function used to extract key parts during consistent hashing
    
         */
    
        public function _function() {}
    
     
    
        /**
    
         * @param   string  key     The key for which you want to lookup the host
    
         * @return  string  the host to be used for a certain key
    
         */
    
        public function _target($key) {}
    
     
    
        /**
    
         * Use this function when a new node is added and keys need to be rehashed.
    
         */
    
        public function _rehash() {}
    
    }
    

      

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  • 原文地址:https://www.cnblogs.com/tdalcn/p/10490557.html
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