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Table of Contents
php connection redis test
php operation redis function encapsulation
php operation redis encyclopedia, basically the commonly used functions of php operation redis are as follows
Home Backend Development PHP Tutorial Complete records of PHP operation redis

Complete records of PHP operation redis

Apr 30, 2021 pm 05:30 PM
php redis

Complete records of PHP operation redis

windows php5.6 nts x86 version of redis dll file download address:

**php.ini文件添加:extension=php_redis.dll??重啟php,?phpinfo可以看到redis則證明安裝成功**

php connection redis test

<?php
$redis = new Redis();  
$redis->connect('127.0.0.1',?6379);//serverip?port
$redis->auth('mypassword');//my?redis?password?
$redis?->set(?"test"?,?"Hello?World");??
echo?$redis?->get(?"test");

php operation redis function encapsulation

/**
?*?如果不傳入$host和$port默認讀取Laravel環(huán)境變量的參數(shù)
?*?redis?Set/setex封裝,可直接傳入數(shù)組,可設(shè)置過期時間?written:yangxingyi
?*/
function?RedisSet($key,$value,$expire=0,$host='',$port=''){
????if(!$key||!$value)?return?false;
????$host?=?$host?$host:getenv('REDIS_HOST');
????$port?=?$port?$port:getenv('REDIS_PORT');
????$redis?=?new?Redis();
????$redis->connect($host,?$port);
????$value?=?is_array($value)?json_encode($value):$value;
????return?$expire>0?$redis->setex(getenv('REDIS_PREFIX').$key,?$expire,$value):$redis->set(getenv('REDIS_PREFIX').$key,$value);
}
/**
?*?redis?get封裝,如果傳入的是數(shù)組,返回的也是數(shù)組,同理字符串?written:yangxingyi
?*/
function?RedisGet($key,$host='',$port=''){
????$redis?=?new?Redis();
????$host?=?$host?$host:getenv('REDIS_HOST');
????$port?=?$port?$port:getenv('REDIS_PORT');
????$redis->connect($host,?$port);
????$result?=?$redis->get(getenv('REDIS_PREFIX').$key);
????return?is_null(json_decode($result))?$result:json_decode($result,true);
}

php operation redis encyclopedia, basically the commonly used functions of php operation redis are as follows

setex?帶生存時間的寫入值
$redis->setex('key',?3600,?'value');?
setnx?判斷是否重復(fù)的,寫入值,如存在了不修改返回0,不存在就添加返回1
$redis->setnx('key',?'value');
返回已經(jīng)刪除key
$redis->delete('key1');?成功返回1失敗返回0
$redis->delete('key1','key2');?刪除兩個鍵成功返回1失敗返回0
查詢生存時間
$redis->ttl('key1');?持久化的返回-1,有生存時間的返回時間(單位秒)
同時給多個key賦值,同時設(shè)置key0和key1
$redis->mset(array('key0'?=>?'value0',?'key1'?=>?'value1'));
key中的值進行自增1,如果填寫了第二個參數(shù),者自增第二個參數(shù)所填的值
$redis->incr('key1');
$redis->incrBy('key1',?10);
減法跟加法一樣
$redis->decr("key1");?減少1
$redis->decrBy("key1",5)?減少5

list相關(guān)操作,連表操作
lPush
$redis->lPush("list",?"888");
$id?=?$redis->lpush('list','HHHHHHH');echo?$id;返回鏈表的元素個數(shù)
$redi->lrange('list',0,-1);?返回全部數(shù)據(jù),數(shù)組形式
$redis->lrange('list',0,2);?返回連表0-2坐標的三個元素
lPushx/rPushx
$redis->lPushx(key,?value);
在名稱為key的list左邊(頭)/右邊(尾)添加一個值為value的元素,如果value已經(jīng)存在,則不添加

$redis->lpop('list');輸出鏈表最左邊的ksy的值,輸出后刪除掉這個key
$redis->rpop('list');輸出鏈表最右邊的ksy的值,輸出后刪除掉這個key
$redis->lset('list',7,"update");?修改坐標為7的值,成功返回1
集合:sadd,sadd是無序的集合,每次插入集合的時候都可能會弄亂里面集合的排序
sadd?s1?zhangsan
sadd?s1?lisi
sadd?s1?wangwu
sadd?t1?yangxingyi
sadd?t1?lilei
sadd?t1?zhangsan
smembers?s1?s1的所有集合內(nèi)容
sdiff?s1?t1?s1有的,t1沒有的,差集
$redis->sinter('s1','t1');返回s1和t1兩個集合都有的,數(shù)組形式
scard?s1?返回s1集合里面的個數(shù),有多少個就返回多少個,沒有從0開始的,坐標才從0開始的
spop抽獎場景,返回集合里面隨機的數(shù)
spop?s1??默認返回1個,返回后就刪除這個數(shù),中獎了就不能再中了
$i?=?$redis->spop('s1');var_dump($i);?返回一個數(shù),返回后刪除這個數(shù)
$i?=?$redis->spop('s1',2);var_dump($i);不能返回兩個的,提示錯誤的
隨機返回集合里面的一個元素,但不刪除,重復(fù)中獎
$i?=?$redis->srandmember('s1');echo?$i;
sismember?s1?zhangsan?查詢張三在不在集合里面,在1,不在false
$i?=?$redis->sismember('s1','zhangsan2');echo?$i;在1,不在false

zadd?key?2?value?有序集合
zadd?y1?1?zhangsan;
zadd?y1?3?lisi;
zadd?y1?2?wangwu;
zrange?y1?0?-1;?排序就是,根據(jù)插入的時候的排序從小到達zhangsan,wangwu,lisi
$i?=?$redis->zrange('y1',0,-1);var_dump($i);
返回數(shù)組,鍵值不是插入時候給的鍵,是從0開始的新鍵
zrevrange?y1?0?-1;?反轉(zhuǎn)排序,插入的時候鍵值越高,排序越優(yōu)先
zcard?y1?;獲取有序集合里面的個數(shù),有多少個就返回多少個,沒有從0開始的,坐標才從0開始的
無序就scard,有序就zcard,有z沒有s
sInterStore
求交集并將交集保存到output的集合
$redis->sInterStore('output',?'key1',?'key2',?'key3')
?
?Hash操作
hSet
$redis->hSet('h',?'key1',?'hello');
向名稱為h的hash中添加元素key1—>hello

hGet
$redis->hGet('h',?'key1');
返回名稱為h的hash中key1對應(yīng)的value(hello)

hLen
$redis->hLen('h');
返回名稱為h的hash中元素個數(shù)

hDel
$redis->hDel('h',?'key1');
刪除名稱為h的hash中鍵為key1的域

hKeys
$redis->hKeys('h');
返回名稱為key的hash中所有鍵

hVals
$redis->hVals('h')
返回名稱為h的hash中所有鍵對應(yīng)的value

hGetAll
$redis->hGetAll('h');
返回名稱為h的hash中所有的鍵(field)及其對應(yīng)的value

hExists
$redis->hExists('h',?'a');
名稱為h的hash中是否存在鍵名字為a的域

hIncrBy
$redis->hIncrBy('h',?'x',?2);
將名稱為h的hash中x的value增加2

hMset
$redis->hMset('user:1',?array('name'?=>?'Joe',?'salary'?=>?2000));
向名稱為key的hash中批量添加元素

hMGet
$redis->hmGet('h',?array('field1',?'field2'));
返回名稱為h的hash中field1,field2對應(yīng)的value

redis?操作相關(guān)
flushDB
清空當前數(shù)據(jù)庫

flushAll
清空所有數(shù)據(jù)庫

randomKey
隨機返回key空間的一個key
$key?=?$redis->randomKey();

select
選擇一個數(shù)據(jù)庫
move
轉(zhuǎn)移一個key到另外一個數(shù)據(jù)庫
$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

rename,?renameKey
給key重命名
$redis->set('x',?'42');
$redis->rename('x',?'y');
$redis->get('y');?//?→?42
$redis->get('x');?//?→?`FALSE`

renameNx
與remane類似,但是,如果重新命名的名字已經(jīng)存在,不會替換成功

setTimeout,?expire
設(shè)定一個key的活動時間(s)
$redis->setTimeout('x',?3);

expireAt
key存活到一個unix時間戳?xí)r間
$redis->expireAt('x',?time()?+?3);

keys,?getKeys
返回滿足給定pattern的所有key
$keyWithUserPrefix?=?$redis->keys('user*');

dbSize
查看現(xiàn)在數(shù)據(jù)庫有多少key
$count?=?$redis->dbSize();

auth
密碼認證
$redis->auth('foobared');

bgrewriteaof
使用aof來進行數(shù)據(jù)庫持久化
$redis->bgrewriteaof();

slaveof
選擇從服務(wù)器
$redis->slaveof('10.0.1.7',?6379);

save
將數(shù)據(jù)同步保存到磁盤

bgsave
將數(shù)據(jù)異步保存到磁盤

lastSave
返回上次成功將數(shù)據(jù)保存到磁盤的Unix時戳

info
返回redis的版本信息等詳情

?Redis::__construct構(gòu)造函數(shù)
$redis?=?new?Redis();

connect,?open?鏈接redis服務(wù)
參數(shù)
host:?string,服務(wù)地址
port:?int,端口號
timeout:?float,鏈接時長?(可選,?默認為?0?,不限鏈接時間)
注:?在redis.conf中也有時間,默認為300

pconnect,?popen?不會主動關(guān)閉的鏈接
參考上面

setOption?設(shè)置redis模式

getOption?查看redis設(shè)置的模式

ping?查看連接狀態(tài)

get?得到某個key的值(string值)
如果該key不存在,return?false

set?寫入key?和?value(string值)
如果寫入成功,return?ture

setex?帶生存時間的寫入值
$redis->setex('key',?3600,?'value');?//?sets?key?→?value,?with?1h?TTL.

setnx?判斷是否重復(fù)的,寫入值
$redis->setnx('key',?'value');
$redis->setnx('key',?'value');

delete??刪除指定key的值
返回已經(jīng)刪除key的個數(shù)(長整數(shù))
$redis->delete('key1',?'key2');
$redis->delete(array('key3',?'key4',?'key5'));

ttl
得到一個key的生存時間

persist
移除生存時間到期的key
如果key到期?true?如果不到期?false

mset?(redis版本1.1以上才可以用)
同時給多個key賦值
$redis->mset(array('key0'?=>?'value0',?'key1'?=>?'value1'));



multi,?exec,?discard
進入或者退出事務(wù)模式
參數(shù)可選Redis::MULTI或Redis::PIPELINE.?默認是?Redis::MULTI
Redis::MULTI:將多個操作當成一個事務(wù)執(zhí)行
Redis::PIPELINE:讓(多條)執(zhí)行命令簡單的,更加快速的發(fā)送給服務(wù)器,但是沒有任何原子性的保證
discard:刪除一個事務(wù)
返回值
multi(),返回一個redis對象,并進入multi-mode模式,一旦進入multi-mode模式,以后調(diào)用的所有方法都會返回相同的對象,只到exec()方法被調(diào)用。

watch,?unwatch?(代碼測試后,不能達到所說的效果)
監(jiān)測一個key的值是否被其它的程序更改。如果這個key在watch?和?exec?(方法)間被修改,這個?MULTI/EXEC?事務(wù)的執(zhí)行將失?。╮eturn?false)
unwatch??取消被這個程序監(jiān)測的所有key
參數(shù),一對key的列表
$redis->watch('x');

$ret?=?$redis->multi()?->incr('x')?->exec();


subscribe?*
方法回調(diào)。注意,該方法可能在未來里發(fā)生改變

publish?*
發(fā)表內(nèi)容到某一個通道。注意,該方法可能在未來里發(fā)生改變

exists
判斷key是否存在。存在?true?不在?false

incr,?incrBy
key中的值進行自增1,如果填寫了第二個參數(shù),者自增第二個參數(shù)所填的值
$redis->incr('key1');
$redis->incrBy('key1',?10);

decr,?decrBy
做減法,使用方法同incr

getMultiple
傳參
由key組成的數(shù)組
返回參數(shù)
如果key存在返回value,不存在返回false
$redis->set('key1',?'value1');?$redis->set('key2',?'value2');?$redis->set('key3',?'value3');?$redis->getMultiple(array('key1',?'key2',?'key3'));
$redis->lRem('key1',?'A',?2);
$redis->lRange('key1',?0,?-1);

list相關(guān)操作
lPush
$redis->lPush(key,?value);
在名稱為key的list左邊(頭)添加一個值為value的?元素

rPush
$redis->rPush(key,?value);
在名稱為key的list右邊(尾)添加一個值為value的?元素

lPushx/rPushx
$redis->lPushx(key,?value);
在名稱為key的list左邊(頭)/右邊(尾)添加一個值為value的元素,如果value已經(jīng)存在,則不添加

lPop/rPop
$redis->lPop('key');
輸出名稱為key的list左(頭)起/右(尾)起的第一個元素,刪除該元素

blPop/brPop
$redis->blPop('key1',?'key2',?10);
lpop命令的block版本。即當timeout為0時,若遇到名稱為key?i的list不存在或該list為空,則命令結(jié)束。如果timeout>0,則遇到上述情況時,等待timeout秒,如果問題沒有解決,則對keyi+1開始的list執(zhí)行pop操作

lSize
$redis->lSize('key');
返回名稱為key的list有多少個元素

lIndex,?lGet
$redis->lGet('key',?0);
返回名稱為key的list中index位置的元素

lSet
$redis->lSet('key',?0,?'X');
給名稱為key的list中index位置的元素賦值為value

lRange,?lGetRange
$redis->lRange('key1',?0,?-1);
返回名稱為key的list中start至end之間的元素(end為?-1?,返回所有)

lTrim,?listTrim
$redis->lTrim('key',?start,?end);
截取名稱為key的list,保留start至end之間的元素

lRem,?lRemove
$redis->lRem('key',?'A',?2);
刪除count個名稱為key的list中值為value的元素。count為0,刪除所有值為value的元素,count>0從頭至尾刪除count個值為value的元素,count<0從尾到頭刪除|count|個值為value的元素

lInsert
在名稱為為key的list中,找到值為pivot 的value,并根據(jù)參數(shù)Redis::BEFORE | Redis::AFTER,來確定,newvalue 是放在 pivot 的前面,或者后面。如果key不存在,不會插入,如果 pivot不存在,return -1
$redis->delete('key1');?$redis->lInsert('key1',?Redis::AFTER,?'A',?'X');?$redis->lPush('key1',?'A');?$redis->lPush('key1',?'B');?$redis->lPush('key1',?'C');?$redis->lInsert('key1',?Redis::BEFORE,?'C',?'X');
$redis->lRange('key1',?0,?-1);
$redis->lInsert('key1',?Redis::AFTER,?'C',?'Y');
$redis->lRange('key1',?0,?-1);
$redis->lInsert('key1',?Redis::AFTER,?'W',?'value');

rpoplpush
返回并刪除名稱為srckey的list的尾元素,并將該元素添加到名稱為dstkey的list的頭部
$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));?

string(3)?"abc"?
array(1)?{?[0]=>?string(3)?"def"?}?
array(3)?{?[0]=>?string(3)?"abc"?[1]=>?string(3)?"456"?[2]=>?string(3)?"123"?}

SET操作相關(guān)
sAdd
向名稱為key的set中添加元素value,如果value存在,不寫入,return?false
$redis->sAdd(key?,?value);

sRem,?sRemove
刪除名稱為key的set中的元素value
$redis->sAdd('key1'?,?'set1');
$redis->sAdd('key1'?,?'set2');
$redis->sAdd('key1'?,?'set3');
$redis->sRem('key1',?'set2');

sMove
將value元素從名稱為srckey的集合移到名稱為dstkey的集合
$redis->sMove(seckey,?dstkey,?value);

sIsMember,?sContains
名稱為key的集合中查找是否有value元素,有ture?沒有?false
$redis->sIsMember(key,?value);

sCard,?sSize
返回名稱為key的set的元素個數(shù)

sPop
隨機返回并刪除名稱為key的set中一個元素

sRandMember
隨機返回名稱為key的set中一個元素,不刪除

sInter
求交集

sInterStore
求交集并將交集保存到output的集合
$redis->sInterStore('output',?'key1',?'key2',?'key3')

sUnion
求并集
$redis->sUnion('s0',?'s1',?'s2');
s0,s1,s2?同時求并集

sUnionStore
求并集并將并集保存到output的集合
$redis->sUnionStore('output',?'key1',?'key2',?'key3');

sDiff
求差集

sDiffStore
求差集并將差集保存到output的集合

sMembers,?sGetMembers
返回名稱為key的set的所有元素

sort
排序,分頁等
參數(shù)
'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'
例子
$redis->delete('s');?$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
?
string命令
getSet
返回原來key中的值,并將value寫入key
$redis->set('x',?'42');
$exValue?=?$redis->getSet('x',?'lol');?//?return?'42',?replaces?x?by?'lol'
$newValue?=?$redis->get('x')'?//?return?'lol'

append
string,名稱為key的string的值在后面加上value
$redis->set('key',?'value1');
$redis->append('key',?'value2');
$redis->get('key');

getRange?(方法不存在)
返回名稱為key的string中start至end之間的字符
$redis->set('key',?'string?value');
$redis->getRange('key',?0,?5);
$redis->getRange('key',?-5,?-1);

setRange?(方法不存在)
改變key的string中start至end之間的字符為value
$redis->set('key',?'Hello?world');
$redis->setRange('key',?6,?"redis");
$redis->get('key');

strlen
得到key的string的長度
$redis->strlen('key');

getBit/setBit
返回2進制信息

zset(sorted?set)操作相關(guān)
zAdd(key,?score,?member):向名稱為key的zset中添加元素member,score用于排序。如果該元素已經(jīng)存在,則根據(jù)score更新該元素的順序。
$redis->zAdd('key',?1,?'val1');
$redis->zAdd('key',?0,?'val0');
$redis->zAdd('key',?5,?'val5');
$redis->zRange('key',?0,?-1);?//?array(val0,?val1,?val5)

zRange(key,?start,?end,withscores):返回名稱為key的zset(元素已按score從小到大排序)中的index從start到end的所有元素
$redis->zAdd('key1',?0,?'val0');
$redis->zAdd('key1',?2,?'val2');
$redis->zAdd('key1',?10,?'val10');
$redis->zRange('key1',?0,?-1);?//?with?scores?$redis->zRange('key1',?0,?-1,?true);

zDelete,?zRem
zRem(key,?member)?:刪除名稱為key的zset中的元素member
$redis->zAdd('key',?0,?'val0');
$redis->zAdd('key',?2,?'val2');
$redis->zAdd('key',?10,?'val10');
$redis->zDelete('key',?'val2');
$redis->zRange('key',?0,?-1);?

zRevRange(key,?start,?end,withscores):返回名稱為key的zset(元素已按score從大到小排序)中的index從start到end的所有元素.withscores:?是否輸出socre的值,默認false,不輸出
$redis->zAdd('key',?0,?'val0');
$redis->zAdd('key',?2,?'val2');
$redis->zAdd('key',?10,?'val10');
$redis->zRevRange('key',?0,?-1);?//?with?scores?$redis->zRevRange('key',?0,?-1,?true);

zRangeByScore,?zRevRangeByScore
$redis->zRangeByScore(key,?star,?end,?array(withscores,?limit?));
返回名稱為key的zset中score?>=?star且score?<= end的所有元素

zCount
$redis->zCount(key,?star,?end);
返回名稱為key的zset中score?>=?star且score?<= end的所有元素的個數(shù)

zRemRangeByScore, zDeleteRangeByScore
$redis->zRemRangeByScore('key',?star,?end);
刪除名稱為key的zset中score?>=?star且score?<= end的所有元素,返回刪除個數(shù)

zSize, zCard
返回名稱為key的zset的所有元素的個數(shù)

zScore
$redis->zScore(key,?val2);
返回名稱為key的zset中元素val2的score

zRank,?zRevRank
$redis->zRevRank(key,?val);
返回名稱為key的zset(元素已按score從小到大排序)中val元素的rank(即index,從0開始),若沒有val元素,返回“null”。zRevRank?是從大到小排序

zIncrBy
$redis->zIncrBy('key',?increment,?'member');
如果在名稱為key的zset中已經(jīng)存在元素member,則該元素的score增加increment;否則向集合中添加該元素,其score的值為increment

zUnion/zInter
參數(shù)
keyOutput
arrayZSetKeys
arrayWeights
aggregateFunction?Either?"SUM",?"MIN",?or?"MAX":?defines?the?behaviour?to?use?on?duplicate?entries?during?the?zUnion.
對N個zset求并集和交集,并將最后的集合保存在dstkeyN中。對于集合中每一個元素的score,在進行AGGREGATE運算前,都要乘以對于的WEIGHT參數(shù)。如果沒有提供WEIGHT,默認為1。默認的AGGREGATE是SUM,即結(jié)果集合中元素的score是所有集合對應(yīng)元素進行SUM運算的值,而MIN和MAX是指,結(jié)果集合中元素的score是所有集合對應(yīng)元素中最小值和最大值。

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