Redis,redis Getting Started Guide _php tutorial

Redis,redis Getting Started Guide

A sneak-in ...

1 
 Php2 /**3 * Description:redis4 * Create date:2015-10-11 17:275 * Author:zhaoyingnan6  **/7 8 /*9 __construct,__destruct,connect,pconnect,close,ping,echo,get,set,Ten Setex,psetex,setnx,getset,randomkey,renamekey,renamenx,getmultiple,exists,delete, One Incr,incrby,incrbyfloat,decr,decrby,type,append,getrange,setrange,getbit, A Setbit,strlen,getkeys,sort,sortasc,sortascalpha,sortdesc,sortdescalpha,lpush,rpush, - Lpushx,rpushx,lpop,rpop,blpop,brpop,lsize,lremove,listtrim,lget, - Lgetrange,lset,linsert,sadd,ssize,sremove,smove,spop,srandmember,scontains, the Smembers,sinter,sinterstore,sunion,sunionstore,sdiff,sdiffstore,settimeout,save,bgsave, - Lastsave,flushdb,flushall,dbsize,auth,ttl,pttl,persist,info,resetstat, - Select,move,bgrewriteaof,slaveof,object,bitop,bitcount,bitpos,mset,msetnx, - Rpoplpush,brpoplpush,zadd,zdelete,zrange,zreverserange,zrangebyscore,zrevrangebyscore,zcount, Zdeleterangebyscore, + Zdeleterangebyrank,zcard,zscore,zrank,zrevrank,zinter,zunion,zincrby,expireat,pexpire, - pexpireat,hget,hset,hsetnx,hdel,hlen,hkeys,hvals,hgetall,hexists, + Hincrby,hincrbyfloat,hmset,hmget,multi,discard,exec,pipeline,watch,unwatch, A Publish,subscribe,psubscribe,unsubscribe,punsubscribe,time,eval,evalsha,script,dump, at Restore,migrate,getlasterror,clearlasterror,_prefix,_serialize,_unserialize,client,scan,hscan, - Zscan,sscan,getoption,setoption,config,slowlog,gethost,getport,getdbnum,gettimeout, - Getreadtimeout,getpersistentid,getauth,isconnected,wait,pubsub,open,popen,llen,sgetmembers, - Mget,expire,zunionstore,zinterstore,zremove,zrem,zremoverangebyscore,zremrangebyscore,zremrangebyrank, Zsize, - Substr,rename,del,keys,lrem,ltrim,lindex,lrange,scard,srem, - Sismember,zrevrange,sendecho,evaluate,evaluatesha, in  */ - //How to work with Redis in PHP to $ReRedis=NewReflectionclass (' Redis '); + $arMethods=$ReRedis-GetMethods (); - $arMethods= Objarray_to_array ($arMethods); the //Print_r ($arMethods); * functionObjarray_to_array ($obj) {   $     $ret=Array(); Panax Notoginseng     foreach($obj  as $key=$value) {   -         if(GetType($value) = = "Array" | |GetType($value) = = "Object"){   the             $ret[$key] = Objarray_to_array ($value);  +}Else{   A             $ret[$key] =$value;  the         }   +     }   -     return $ret;  $ } $ $i= 1; - foreach($arMethods  as $arVal) -     Echo $arVal[' name '], ', '; the  - /****************************** Redis Introduction ************************************/Wuyi //Redis, a memory cache database with a data model of Key-value the //redis can be persisted (that is, it will save data from the hard disk) to ensure the security of the data - //redis Rich data type: string,list,hash,set,sorted set Wu  -  About /****************************** Redis and memcached compare ************************/ $ //Redis not only supports simple key-value, but also provides storage of data structures such as List,set,hash - //Redis support Master-slave (master-slave) mode application - //Redis support data persistence, can be in-memory data in the village spring in the hard drive, restart, power off when the data will not be lost - //Redis single value maximum limit of 1gb,memcached can only be saved in 1MB A  +  the /****************************** operation of the key in Redis *************************/ - /** $ * Eixists Key tests whether the specified key exists the * del key1 key2 Key3 ... Delete the given key the * Type key returns the value type of the given key the * Keys pattern returns all keys that match the specified pattern the * Rename oldkeyname newkeyname change name - * Dbsize Returns the number of keys for the current database in * Expire key seconds set expiration time for key the * TTL key returns the remaining expiration time of key the * Select Db-index Database (0-15) About * Move key Db-index moves key from the current database to the specified database the * FLUSHDB Delete all keys in the current database the * Flushall Delete all keys in all databases the  **/ +  -  the /****************************** The operation of string types in Redis ********************/Bayi /** the * Set key value setting key corresponds to value of string type the * Mset key1 value1 key2 value2 KeyN Valuen set values for multiple keys at once - * mget key1 key2 KeyN get multiple key values at once - * incr key to self-increment the value of key, step value is 1, and return the new value the * DECR key self-decrement the value of key, the step value is 1, and returns the new value the * Incrby key integer with INCR, but the stepping value is the specified integer, and the new value is returned the * Decrby key integer with DECR, but the stepping value is the specified integer, and the new value is returned the * Append key value appends value to the specified key - * substr Key start end returns the value corresponding to the truncated key, including the start and end positions, with the subscript starting at 0 the  **/ the  the 94 /****************************** operation of the list type in Redis ***********************/ the //The list type is a doubly linked list that adds or removes elements from the head or tail of the list through the Push,pop operation.  the //Application scenario: Get the latest logged in 10 users information the /**98 * Lpush Key value adds the value element to the head of the list for the key, returning the number of elements in the list About * Rpush Key value adds the value element at the end of the list for the key, returning the number of elements in the list - * Rpop key Deletes an element at the tail of the list corresponding to the key and returns the contents of the element101 * Lpop key Deletes an element at the head of the list corresponding to the key and returns the contents of the element102 * Llen Key returns the number of elements in the list for the key, or 0 if it does not exist, or if the list type is not an error103 * Lrange Key start end returns the element within the specified range of the list of keys, including the start and end positions, subscript starting from 0104 * LTrim key Start key intercepts list, preserving elements within a specified range the  **/106 107 108 /****************************** operation of the set type in Redis *************************/109 //set unordered collection, the elements of each collection will not be duplicated, can contain up to 2 of the 32 elements (intersection, set, difference set) the //Application scenario: QQ friend referral, you and Zhang San's common friend111 /** the * Sadd Key member adds a member element to the set set of key corresponding to the successful return 1, if the element already exists, returns 0113 * Sren key member1 Membern removes the given element from the set set of key and returns 1 successfully the * SCard Key returns the number of elements in the set set corresponding to key the * Smembers Key returns all elements in the set set of key, which are unordered the * Sismember Key member determine if member exists in the set set of key, there is a return of 1, otherwise 0117 * Smove key1 key2 member moves key1 in member corresponding set set to Key2 corresponding set set118 * sinter key1 key2 KeyN Returns the intersection of the set set corresponding to all given key119 * sunion key1 key2 KeyN Returns the set of sets for all given keys - * Sdiff key1 key2 KeyN Returns the difference set of set set for all given key121  **/122 123 124 /****************************** operation of sorted set type in Redis *******************/ the //A set of sorted set, unlike a set set, in which each element in each collection is a combination of values and weights126 //Application scenario: Leaderboard127 /** - * Zadd key score member add element to key corresponding set set, where value is member, weight is score129 * Zrem Key member Delete the specified element in the set set corresponding to key member the * Zincrby Key INCR member increments the member weight value of the score element in the set set of the key corresponding to the incr amplitude131 * Zrank Key member returns the specified element member in the set set of key corresponding to the subscript, ranking by score small to large, subscript 0 open the * Zrevrank Key member returns the specified element member the rank subscript in the set set of key, ranking by score large to small, subscript 0 open133 * Zrange Key start end returns the value of the element of the specified interval in the corresponding set set of key, sort Ann score small to large, subscript 0 open, with the whole story134 * Zrevrange Key start end returns the value of the element of the specified interval in the corresponding set set of key, sort Ann score large to small, subscript 0 open, with the whole story135 * Zcard Key returns the number of elements in the set set corresponding to key136 * Zscore Key member returns the value of the score of the element given in the set set of the key corresponding to member137 * Zremrangebyrank key min Max deletes the element in the set set of keys corresponding to the given interval (by score small to large sort)138  **/139  $ 141 /****************************** Redis Data Persistence ************************************/142 /**143 * Snap shotting snapshot Persistence144 * This feature is enabled by default, all data in Redis is saved in one copy on the hard disk, so the data is not suitable for frequent operation .145 * redis.conf146 * Snapshot Persistent backup frequency (data modification frequency high/low, backup frequency is also high/low)147 * Save 1 #900 seconds if more than 1 keys are modified, a snapshot save is initiated148 * Save in #300 seconds if more than 10 keys are modified, a snapshot save is initiated149 * Save 10000 #60 seconds if more than 10,000 keys are modified, a snapshot save is initiated Max * Dbfilename Dump.rdb #备份的文件名称151 * dir./#备份文件的保存路径 the * Manually initiating a snapshot persistence153 * redis-cli-h 127.0.0.1-p 6379 bgsave #手动发起一次快照持久化154  **/155 156 /**157 * Append only file aof persistent158 * Essence: The user executes every ' write ' command back to the file, restore the data is actually the implementation of specific instructions159 * default is not turned on, the data in Redis will be emptied and opened before use . the * redis.conf161 * AppendOnly no #默认不开启162 * appendfilename "appendonly.aof" #备份文件的名称163 * dir./#备份文件的保存路径164 * When you turn on AOF persistence, you should restart Redis using the corresponding configuration file165 * Redis-server redis.conf166 * AOF Persistent backup frequency167 * redis.conf168 * # Appendfsync always #每次收到写指令就会立即备份, safest, but slowest, with great overhead169 * Appendfsync everysec #每秒钟强制备份一次, a compromise in performance and persistence, default the * # Appendfsync No #完全依赖操作系统, best performance, no guarantee for durability, worst security171 * Optimized compression processing for AOF backup files172 * For example, to change multiple INCR instructions into a set instruction173 * redis-cli-h 127.0.0.1-p 6379 bgrewriteaof #优化压缩174  **/

http://www.bkjia.com/PHPjc/1059459.html www.bkjia.com true http://www.bkjia.com/PHPjc/1059459.html techarticle Redis,redis Getting Started Guide sneak in ... 1? PHP 2/* * 3 * Description:redis 4 * Create date:2015-10-11 17:27 5 * Author:zhaoyingnan 6 * */7 8/* 9 __construct,__d Estruct,c ...

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