PHP Redis Database Operation class

<?phpnamespace Iphp\db;use iphp\app;/** * Redis Operation class * Description, any string that is false, there are empty strings in Redis. * Returns false only if key does not exist. * This can be used to prevent cache penetration * @author Xuen * */class redis{private $redis;//Current database ID protected $dbId =0;//current Authorization code protected $auth;/** * instantiation The object, Singleton mode. * @var \iphp\db\redis */static private $_instance=array ();p rivate $k;//Connection property array protected $attr =array (//connection time-out, Redis configuration file    The default is 300 seconds ' timeout ' =>30,//Select the database.        ' db_id ' =>0,);//When to reestablish the connection protected $expireTime;        protected $host;        protected $port;    Private Function __construct ($config, $attr =array ()) {$this->attr=array_merge ($this->attr, $attr);    $this->redis=new \redis ();    $this->port= $config [' Port ']? $config [' Port ']:6379;    $this->host= $config [' Host '];        $this->redis->connect ($this->host, $this->port, $this->attr[' timeout ');        if ($config [' auth ']) {$this->auth ($config [' auth ']);    $this->auth= $config [' auth ']; } $this->expiretime=time () + $this->attr[' timeout ';} /** * Gets the instantiated object. * Establish a connection for each database * If the connection times out, a connection will be re-established * @param array $config * @param int $dbId * @return \iphp\db\redis */public static func tion getinstance ($config, $attr =array ()) {//If it is a string, it is considered to be the ID number of the database.    To simplify the wording.        if (!is_array ($attr)) {$dbId = $attr;        $attr =array ();    $attr [' db_id ']= $dbId; } $attr [' db_id ']= $attr [' db_id ']? $attr [' db_id ']:0;if (!is_array ($config)) $config =app::getapp ()->getconfig ($con    FIG);    $k =md5 (Implode (", $config). $attr [' db_id ']); if (!    (static::$_instance[$k] instanceof self))        {//static::$_instance[$k]->close ();        static::$_instance[$k] = new self ($config, $attr);        static::$_instance[$k]->k= $k;                static::$_instance[$k]->dbid= $attr [' db_id '];        If it is not library No. 0, select the database.    if ($attr [' db_id ']!=0) static::$_instance[$k]->select ($attr [' db_id ']);    } ElseIf (Time () >static::$_instance[$k]->expiretime) {static::$_instance[$k]->close ();    static::$_instance[$k] = new self ($config, $attr);        static::$_instance[$k]->k= $k;                 static::$_instance[$k]->dbid= $attr [' db_id '];        If it is not library No. 0, select the database.    if ($attr [' db_id ']!=0) static::$_instance[$k]->select ($attr [' db_id ']); } return static::$_instance[$k];} Private Function __clone () {}/** * performs native Redis operation * @return \redis */public function Getredis () {return $this->redis;} /*****************hash table Operation function *******************//** * Get the value of a field in the hash table * @param string $key Cache key * @param string $field field * @return String|false */public function Hget ($key, $field) {return $this->redis->hget ($key, $field);} /** * Set the value of a field for the hash table * @param string $key Cache key * @param string $field field * @param string $value value. * @return bool */public function Hset ($key, $field, $value) {return $this->redis->hset ($key, $field, $value);} /** * Determine the hash table, specify whether field is present * @param string $key Cache key * @param string $field field * @return bool */public functionHexists ($key, $field) {return $this->redis->hexists ($key, $field);} /** * Delete the specified field in the hash table, support bulk Delete * @param string $key Cache key * @param string $field field * @return int */public function Hdel ($key        , $field) {$fieldArr =explode (', ', $field);        $delNum = 0;            foreach ($fieldArr as $row) {$row =trim ($row);        $delNum + = $this->redis->hdel ($key, $row); } return $delNum;} /** * Returns the number of hash table elements * @param string $key cache key * @return Int|bool */public function Hlen ($key) {return $this->redis->hl En ($key);} /** * Sets the value of a field for the hash table, returns False if the field exists @param string $key cache key * @param string $field field * @param string $value value. * @return bool */public function hsetnx ($key, $field, $value) {return $this->redis->hsetnx ($key, $field, $value);} /** * Set values for multiple fields of the hash table. * @param string $key * @param array $value * @return array|bool */public function Hmset ($key, $value) {if (!is_array ($val    UE)) return false; return $this->redis->hmset ($key, $value);}/** * Set values for multiple fields of the hash table. * @param string $key * @param array|string $value string with ', ' separator field * @return Array|bool */public function Hmget ($key, $field    {if (!is_array ($field)) $field =explode (', ', $field); return $this->redis->hmget ($key, $field);} /** * For hash table Set this additive, can be negative * @param string $key * @param int $field * @param string $value * @return bool */public function hIn Crby ($key, $field, $value) {$value =intval ($value), return $this->redis->hincrby ($key, $field, $value);} /** * Returns all fields of all hash tables * @param string $key * @return array|bool */public function Hkeys ($key) {return $this-&GT;REDIS-&GT;HK Eys ($key);} /** * Returns the field value of all hash tables as an indexed array * @param string $key * @return array|bool */public function hvals ($key) {return $this->redis ->hvals ($key);} /** * Returns the field value of all hash tables as an associative array * @param string $key * @return array|bool */public function Hgetall ($key) {return $this->red Is->hgetall ($key);} /********************* an ordered set operation *********************//** * Adds an element to the current collection * If value already exists, the value of order is updated. * @param string $key * @param string $order ordinal * @param string $value value * @return bool */public function Zadd ($key, $order, $va Lue) {return $this->redis->zadd ($key, $order, $value);} /** * to $value member's order value, increase $num, can be negative * @param string $key * @param string $num ordinal * @param string $value value * @return return new or Der */public function Zincry ($key, $num, $value) {return $this->redis->zincry ($key, $num, $value);} /** * Delete element with value = @param string $key * @param stirng $value * @return bool */public function Zrem ($key, $value) {return $ This->redis->zrem ($key, $value);} /** * Set in order increments, 0 represents the first element, 1 represents the last element * @param string $key * @param int $start * @param int $end * @return Array|bool */ Public Function Zrange ($key, $start, $end) {return $this->redis->zrange ($key, $start, $end);} /** * Set in order descending order, 0 represents the first element, 1 represents the last element * @param string $key * @param int $start * @param int $end * @return Array|bool */ Public Function Zrevrange ($key, $start, $end) {return $this->redis->zrevrange ($key, $start, $end);} The/** * Collection returns an element between the specified order after the order is incremented.     * min and Max can be-inf and +inf for maximum value, minimum * @param string $key * @param int $start * @param int $end * @package array $option parameter * Withscores=>true, which indicates that the array is labeled as the order value, returns the indexed array by default * Limit=>array (0,1), which starts with 0 and takes a record. * @return Array|bool */public function Zrangebyscore ($key, $start = '-inf ', $end = "+inf", $option =array ()) {return $this- >redis->zrangebyscore ($key, $start, $end, $option);} The/** * Collection returns the element between the specified order after descending order in order.     * min and Max can be-inf and +inf for maximum value, minimum * @param string $key * @param int $start * @param int $end * @package array $option parameter * Withscores=>true, which indicates that the array is labeled as the order value, returns the indexed array by default * Limit=>array (0,1), which starts with 0 and takes a record. * @return Array|bool */public function Zrevrangebyscore ($key, $start = '-inf ', $end = "+inf", $option =array ()) {return $ This->redis->zrevrangebyscore ($key, $start, $end, $option);} /** * Returns the number of order values between start end * @param unknown $key * @param unknown $start * @param unknown $end */public function Zcount ($key, $start, $end) {return $thisRedis->zcount ($key, $start, $end);} /** * Returns the order value of value * @param unknown $key * @param unknown $value */public function Zscore ($key, $value) {return $this-&G T;redis->zscore ($key, $value);} /** * Returns the set to score the sorted number of the specified member, starting with 0. * @param unknown $key * @param unknown $value */public function Zrank ($key, $value) {return $this->redis->zrank ($key, $value);} /** * Returns the set to score the sorted number of the specified member, starting with 0. * @param unknown $key * @param unknown $value */public function Zrevrank ($key, $value) {return $this->redis->zrevrank ($key, $value);} /** * Delete the elements in the collection, the score value between the start end includes the start end * min and Max can be-inf and +inf represents the maximum value, the minimum value * @param unknown $key * @param unknown $star T * @param unknown $end * @return The number of deleted members. */public function Zremrangebyscore ($key, $start, $end) {return $this->redis->zremrangebyscore ($key, $start, $end );} /** * Returns the number of collection elements. * @param unknown $key */public function Zcard ($key) {return $this->redis->zcard ($key);} /********************* Queue Operations Command ************************//** * Inserts an element at the end of the queue * @paraM unknown $key * @param unknown $value * Returns the queue Length */public function Rpush ($key, $value) {return $this->redis->rpush ( $key, $value);} /** * Insert an element at the tail of the queue if key does not exist, do nothing * @param unknown $key * @param unknown $value * Return Queue Length */public function rpushx ($key, $val UE) {return $this->redis->rpushx ($key, $value);} /** * Insert an element in the head of the queue * @param unknown $key * @param unknown $value * Returns the queue Length */public function Lpush ($key, $value) {return $this ->redis->lpush ($key, $value);} /** * Insert an element in the queue header if key does not exist, do nothing * @param unknown $key * @param unknown $value * Return Queue Length */public function lpushx ($key, $valu e) {return $this->redis->lpushx ($key, $value);} /** * Returns the queue Length * @param unknown $key */public function Llen ($key) {return $this->redis->llen ($key);} /** * Returns the element of the queue specified interval * @param unknown $key * @param unknown $start * @param unknown $end */public function Lrange ($key, $start , $end) {return $this->redis->lrange ($key, $start, $end);} /** * Returns the element of the specified index in the queue * @param unknown $key * @param unknown $index */publIC function LIndex ($key, $index) {return $this->redis->lindex ($key, $index);} /** * Sets the value of the specified index in the queue. * @param unknown $key * @param unknown $index * @param unknown $value */public function LSet ($key, $index, $value) {return $t His->redis->lset ($key, $index, $value);} /** * Delete count elements with value Vaule * Php-redis Extended Data order is not the same as the order of the command, do not know if it is not a bug * count>0 start from the tail * >0 start from the head * = 0 Delete all * @param unkn Own $key * @param unknown $count * @param unknown $value */public function Lrem ($key, $count, $value) {return $this->redis ->lrem ($key, $value, $count);} /** * Deletes and returns the header element in the queue. * @param unknown $key */public function Lpop ($key) {return $this->redis->lpop ($key);} /** * Delete and return the tail element in the queue * @param unknown $key */public function Rpop ($key) {return $this->redis->rpop ($key);} /*************redis string Operation Command *****************//** * Set a key * @param unknown $key * @param unknown $value */public function Set ($key, $value) {return $this->redis->set ($key, $value);} /** * Get a key * @param unknown $key */public functionGet ($key) {return $this->redis->get ($key);} /** * Set an expiry time key * @param unknown $key * @param unknown $expire * @param unknown $value */public function Setex ($key, $e Xpire, $value) {return $this->redis->setex ($key, $expire, $value);} /** * Set a key, if key exists, do nothing. * @param unknown $key * @param unknown $value */public function setnx ($key, $value) {return $this->redis->setnx ($key, $value);} /** * Bulk Set key * @param unknown $arr */public function Mset ($arr) {return $this->redis->mset ($arr);} /*************redis unordered Collection Operations Command *****************//** * Returns all elements in the collection * @param unknown $key */public function smembers ($key) { return $this->redis->smembers ($key);} /** * Find the difference set of 2 sets * @param unknown $key 1 * @param unknown $key 2 */public function Sdiff ($key 1, $key 2) {return $this->redis-& Gt;sdiff ($key 1, $key 2);} /** * Add collection. The extension does not support bulk additions due to version issues.        The package is made here * @param unknown $key * @param string|array $value */public function Sadd ($key, $value) {if (!is_array ($value))    $arr =array ($value);      Else   $arr = $value; foreach ($arr as $row) $this->redis->sadd ($key, $row);} /** * Returns the number of elements in an unordered collection * @param unknown $key */public function SCard ($key) {return $this->redis->scard ($key);} /** * Remove an element from the collection * @param unknown $key * @param unknown $value */public function Srem ($key, $value) {return $this->redis- >srem ($key, $value);} /*************redis Management Operations Command *****************//** * Select database * @param int $dbId Database ID number * @return bool */public function Select ($ DbId) {$this->dbid= $dbId; return $this->redis->select ($dbId);} /** * Empties the current database * @return bool */public function flushdb () {return $this->redis->flushdb ();} /** * Returns the current library status * @return array */public function info () {return $this->redis->info ();} /** * Synchronously saves data to disk */public function save () {return $this->redis->save ();} /** * Asynchronously saves data to disk */public function BgSave () {return $this->redis->bgsave ();} /** * Returns the last time saved to disk */public function Lastsave () {return $this->redis->lastsave ();} /** * Return key, support * Multiple characters,? a character * only * denotes all * @pAram String $key * @return array */public function keys ($key) {return $this->redis->keys ($key);} /** * Delete the specified key * @param unknown $key */public function del ($key) {return $this->redis->del ($key);} /** * Determine if a key value is present * @param unknown $key */public function exists ($key) {return $this->redis->exists ($key);} /** * Sets the expiration time unit for a key to the seconds * @param unknown $key * @param unknown $expire */public function expire ($key, $expire) {return $this ->redis->expire ($key, $expire);} /** * Returns how long a key has expired, unit seconds * @param unknown $key */public function ttl ($key) {return $this->redis->ttl ($key);} /** * Set When a key expires, time is a timestamp * @param unknown $key * @param unknown $time */public function exprieat ($key, $time) {return $this->redis->expireat ($key, $time);} /** * Close Server link */public function close () {return $this->redis->close ();} /** * Close all connections */public static function CloseAll () {foreach (static::$_instance as $o) {if ($o instanceof self) $ O->close ();}} /** The connection is not closed here because session writes are destroyed after all objects have been deleted.Public Function __destruct () {return $this->redis->close ();} **//** * Returns the current database key number */public function Dbsize () {return $this->redis->dbsize ();}    /** * Returns a random key */public function Randomkey () {return $this->redis->randomkey ();} /** * Gets the current database ID * @return int */public function getdbid () {return $this->dbid;} /** * Returns the current password */public function GetAuth () {return $this->auth;} Public Function GetHost () {return $this->host;} Public Function Getport () {return $this->port;} Public Function Getconninfo () {return array (' host ' = = $this->host, ' port ' = = $this->port, ' auth ' = $thi S->auth);} /********************* transaction-related methods ************************//** * Monitor key, which is one or more keys to add an optimistic lock * during this time if the value of key changes, Cannot set value for key * Can regain value of key. * @param unknown $key */public function Watch ($key) {return $this->redis->watch ($key);} /** * Cancel the current link to all Key's Watch * EXEC command or DISCARD command is executed first, then do not need to execute unwatch */public function unwatch () {return $this->re Dis->unwatch ();} /* * Open a transaction * The invocation of a transaction has two modes Redis::multi and Redis::P ipeline, * default is Redis::multi mode, * Redis::P ipeline pipe mode faster, But there is no guarantee that atomicity may result in loss of data */public function multi ($type =\redis::multi) {return $this->redis->multi ($type);} /** * Executes a transaction * after receiving the EXEC command into the transaction execution, the execution of any command in the transaction fails, the remaining commands are still executed */public function EXEC () {return $this->redis->exec ();} /** * Rollback a transaction */public function discard () {return $this->redis->discard ();} /** * Test the current link is not already invalidated * No expiration returned +pong * Invalid return false */public function ping () {return $this->redis->ping ();} Public Function auth ($auth) {return $this->redis->auth ($auth);} /********************* custom methods for simplifying operations ************************//** * Get a set of ID numbers * @param unknown $prefix * @param unknown $ IDS */public function Hashall ($prefix, $ids) {if ($ids ==false) return false;if (is_string ($ids)) $ids =explode (', ', $ids) , $arr =array (), foreach ($ids as $id) {$key = $prefix. '. $id, $res = $this->hgetall ($key), if ($res!=false) $arr []= $res;} return $arr;} /** * Generates a message that is placed in the Redis database. Use library number No. 0. * @param String|array $msg */public function Pushmessage ($lkey, $msg) {if (Is_array ($msg)) $msg =json_encode ($msg);        $key =md5 ($msg); If the message already exists, delete the old message, the current message is quasi//echo $n = $this->lrem ($lkey, 0, $key). "    \ n ";    Reset New Message $this->lpush ($lkey, $key);    $this->setex ($key, 3600, $msg); return $key;} /** * Get a batch Delete key command * @param unknown $keys * @param unknown $dbId */public function Delkeys ($keys, $dbId) {$redisInfo = $t    His->getconninfo ();        $CMDARR =array (' redis-cli ', '-a ', $redisInfo [' auth '], '-h ', $redisInfo [' Host '],    '-P ', $redisInfo [' Port '], '-N ', $dbId,);    $redisStr =implode (' ', $CMDARR); $cmd = "{$redisStr} KEYS \" {$keys}\ "|    xargs {$redisStr} del "; return $cmd;}}

PHP Redis Database Operation class