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php handles redis

墨辰丷

May 15, 2018 am 10:42 AM

phpredisdeal with

1, connect

Description: The instance is connected to a Redis.
Parameters: host: string, port: int
Return value: BOOL Successful return: TRUE; Failure return: FALSE

Example:

<?php  
$redis = new redis();  
$result = $redis->connect(&#39;127.0.0.1&#39;, 6379);  
var_dump($result); //结果：bool(true)  
?>

2, set
Description: Set the value of key and value
Parameter: Key Value
Return value: BOOL Successful return: TRUE; Failure return: FALSE
Example:

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$result = $redis->set(&#39;test&#39;,"11111111111");  
var_dump($result);    //结果：bool(true)  
?>

3, get

Description: Get the value about the specified key
Parameters: key
Return value: string or BOOL If the key does not exist, return FALSE. Otherwise, return the value corresponding to the specified key.
Example:

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$result = $redis->get(&#39;test&#39;);  
var_dump($result);   //结果：string(11) "11111111111"  
?>

4, delete

Description: Delete the specified key
Parameters: a key, Or an indeterminate number of parameters, an array for each key: key1 key2 key3 ... keyN
Return value: Number of items deleted
Example:

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->set(&#39;test&#39;,"1111111111111");  
echo $redis->get(&#39;test&#39;);   //结果：1111111111111  
$redis->delete(&#39;test&#39;);  
var_dump($redis->get(&#39;test&#39;));  //结果：bool(false)  
?>

5, setnx

Description: If the key does not exist in the database, set the key value parameter
Parameter: key value
Return value: BOOL Successful return: TRUE; Failure return: FALSE

Example :

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->set(&#39;test&#39;,"1111111111111");  
$redis->setnx(&#39;test&#39;,"22222222");  
echo $redis->get(&#39;test&#39;);  //结果：1111111111111  
$redis->delete(&#39;test&#39;);  
$redis->setnx(&#39;test&#39;,"22222222");  
echo $redis->get(&#39;test&#39;);  //结果：22222222  
?>

6, exists

Description: Verify whether the specified key exists
Parameter key
Return value: Bool Return on success: TRUE; Return on failure :FALSE
Example:

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->set(&#39;test&#39;,"1111111111111");  
var_dump($redis->exists(&#39;test&#39;));  //结果：bool(true)  
?>

7,incr

Description: Numeric increment to store key value key.
Parameters: key value: will be added to The value of the key
Return value: INT the new value
Instance:

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->set(&#39;test&#39;,"123");  
var_dump($redis->incr("test"));  //结果：int(124)  
var_dump($redis->incr("test"));  //结果：int(125)  
?>

8, decr

Description: Store the key value numerically in descending order.
Parameters: key value: the value that will be added to the key
Return value: INT the new value
Example:

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->set(&#39;test&#39;,"123");  
var_dump($redis->decr("test"));  //结果：int(122)  
var_dump($redis->decr("test"));  //结果：int(121)  
?>

9, getMultiple

Description: Get the values of all specified keys. If one or more keys do not exist, the value of that key in the array is false
Parameters: Array of lists containing the values of the keys
Return value: Returns an array containing the values of all keys
Example:

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->set(&#39;test1&#39;,"1");  
$redis->set(&#39;test2&#39;,"2");  
$result = $redis->getMultiple(array(&#39;test1&#39;,&#39;test2&#39;));  
print_r($result);   //结果：Array ( [0] => 1 [1] => 2 )  
?>

10,lpush

描述：由列表头部添加字符串值。如果不存在该键则创建该列表。如果该键存在，而且不是一个列表，返回FALSE。
参数：key,value
返回值：成功返回数组长度，失败false
实例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
var_dump($redis->lpush("test","111"));   //结果：int(1)  
var_dump($redis->lpush("test","222"));   //结果：int(2)  
?>

11，rpush

描述：由列表尾部添加字符串值。如果不存在该键则创建该列表。如果该键存在，而且不是一个列表，返回FALSE。
参数：key,value
返回值：成功返回数组长度，失败false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
var_dump($redis->lpush("test","111"));   //结果：int(1)  
var_dump($redis->lpush("test","222"));   //结果：int(2)  
var_dump($redis->rpush("test","333"));   //结果：int(3)  
var_dump($redis->rpush("test","444"));   //结果：int(4)  
?>

12，lpop

描述：返回和移除列表的第一个元素
参数：key
返回值：成功返回第一个元素的值，失败返回false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->lpush("test","111");  
$redis->lpush("test","222");  
$redis->rpush("test","333");  
$redis->rpush("test","444");  
var_dump($redis->lpop("test"));  //结果：string(3) "222"  
?>

13，lsize,llen

描述：返回的列表的长度。如果列表不存在或为空，该命令返回0。如果该键不是列表，该命令返回FALSE。
参数：Key
返回值：成功返回数组长度，失败false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->lpush("test","111");  
$redis->lpush("test","222");  
$redis->rpush("test","333");  
$redis->rpush("test","444");  
var_dump($redis->lsize("test"));  //结果：int(4)  
?>

14，lget

描述：返回指定键存储在列表中指定的元素。 0第一个元素，1第二个… -1最后一个元素，-2的倒数第二…错误的索引或键不指向列表则返回FALSE。
参数：key index
返回值：成功返回指定元素的值，失败false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->lpush("test","111");  
$redis->lpush("test","222");  
$redis->rpush("test","333");  
$redis->rpush("test","444");  
var_dump($redis->lget("test",3));  //结果：string(3) "444"  
?>

15，lset

描述：为列表指定的索引赋新的值,若不存在该索引返回false.
参数：key index value
返回值：成功返回true,失败false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->lpush("test","111");  
$redis->lpush("test","222");  
var_dump($redis->lget("test",1));  //结果：string(3) "111"  
var_dump($redis->lset("test",1,"333"));  //结果：bool(true)  
var_dump($redis->lget("test",1));  //结果：string(3) "333"  
?>

16，lgetrange

描述：
返回在该区域中的指定键列表中开始到结束存储的指定元素，lGetRange(key, start, end)。0第一个元素，1第二个元素… -1最后一个元素，-2的倒数第二…
参数：key start end
返回值：成功返回查找的值，失败false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->lpush("test","111");  
$redis->lpush("test","222");  
print_r($redis->lgetrange("test",0,-1));  //结果：Array ( [0] => 222 [1] => 111 )  
?>

17,lremove

描述：从列表中从头部开始移除count个匹配的值。如果count为零，所有匹配的元素都被删除。如果count是负数，内容从尾部开始删除。
参数：key count value
返回值：成功返回删除的个数，失败false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->lpush(&#39;test&#39;,&#39;a&#39;);  
$redis->lpush(&#39;test&#39;,&#39;b&#39;);  
$redis->lpush(&#39;test&#39;,&#39;c&#39;);  
$redis->rpush(&#39;test&#39;,&#39;a&#39;);  
print_r($redis->lgetrange(&#39;test&#39;, 0, -1)); //结果：Array ( [0] => c [1] => b [2] => a [3] => a )  
var_dump($redis->lremove(&#39;test&#39;,&#39;a&#39;,2));   //结果：int(2)  
print_r($redis->lgetrange(&#39;test&#39;, 0, -1)); //结果：Array ( [0] => c [1] => b )  
?>

18，sadd

描述：为一个Key添加一个值。如果这个值已经在这个Key中，则返回FALSE。
参数：key value
返回值：成功返回true,失败false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
var_dump($redis->sadd(&#39;test&#39;,&#39;111&#39;));   //结果：bool(true)  
var_dump($redis->sadd(&#39;test&#39;,&#39;333&#39;));   //结果：bool(true)  
print_r($redis->sort(&#39;test&#39;)); //结果：Array ( [0] => 111 [1] => 333 )  
?>

19，sremove

描述：删除Key中指定的value值
参数：key member
返回值：true or false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->sadd(&#39;test&#39;,&#39;111&#39;);  
$redis->sadd(&#39;test&#39;,&#39;333&#39;);  
$redis->sremove(&#39;test&#39;,&#39;111&#39;);  
print_r($redis->sort(&#39;test&#39;));    //结果：Array ( [0] => 333 )  
?>

20,smove

描述：将Key1中的value移动到Key2中
参数：srcKey dstKey member
返回值：true or false
范例

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->delete(&#39;test1&#39;);  
$redis->sadd(&#39;test&#39;,&#39;111&#39;);  
$redis->sadd(&#39;test&#39;,&#39;333&#39;);  
$redis->sadd(&#39;test1&#39;,&#39;222&#39;);  
$redis->sadd(&#39;test1&#39;,&#39;444&#39;);  
$redis->smove(&#39;test&#39;,"test1",&#39;111&#39;);  
print_r($redis->sort(&#39;test1&#39;));    //结果：Array ( [0] => 111 [1] => 222 [2] => 444 )  
?>

21，scontains

描述：检查集合中是否存在指定的值。
参数：key value
返回值：true or false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->sadd(&#39;test&#39;,&#39;111&#39;);  
$redis->sadd(&#39;test&#39;,&#39;112&#39;);  
$redis->sadd(&#39;test&#39;,&#39;113&#39;);  
var_dump($redis->scontains(&#39;test&#39;, &#39;111&#39;)); //结果：bool(true)  
?>

22,ssize

描述：返回集合中存储值的数量
参数：key
返回值：成功返回数组个数，失败0
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->sadd(&#39;test&#39;,&#39;111&#39;);  
$redis->sadd(&#39;test&#39;,&#39;112&#39;);  
echo $redis->ssize(&#39;test&#39;);   //结果：2  
?>

23，spop

描述：随机移除并返回key中的一个值
参数：key
返回值：成功返回删除的值，失败false
范例

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->sadd("test","111");  
$redis->sadd("test","222");  
$redis->sadd("test","333");  
var_dump($redis->spop("test"));  //结果：string(3) "333"  
?>

24,sinter

描述：返回一个所有指定键的交集。如果只指定一个键，那么这个命令生成这个集合的成员。如果不存在某个键，则返回FALSE。
参数：key1, key2, keyN
返回值：成功返回数组交集，失败false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->sadd("test","111");  
$redis->sadd("test","222");  
$redis->sadd("test","333");  
$redis->sadd("test1","111");  
$redis->sadd("test1","444");  
var_dump($redis->sinter("test","test1"));  //结果：array(1) { [0]=> string(3) "111" }  
?>

25,sinterstore

描述：执行sInter命令并把结果储存到新建的变量中。
参数：
Key: dstkey, the key to store the diff into.
Keys: key1, key2… keyN. key1..keyN are intersected as in sInter.
返回值：成功返回，交集的个数，失败false
范例:

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->sadd("test","111");  
$redis->sadd("test","222");  
$redis->sadd("test","333");  
$redis->sadd("test1","111");  
$redis->sadd("test1","444");  
var_dump($redis->sinterstore(&#39;new&#39;,"test","test1"));  //结果：int(1)  
var_dump($redis->smembers(&#39;new&#39;));  //结果:array(1) { [0]=> string(3) "111" }  
?>

26,sunion

描述：
返回一个所有指定键的并集
参数：
Keys: key1, key2, … , keyN
返回值：成功返回合并后的集，失败false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->sadd("test","111");  
$redis->sadd("test","222");  
$redis->sadd("test","333");  
$redis->sadd("test1","111");  
$redis->sadd("test1","444");  
print_r($redis->sunion("test","test1"));  //结果：Array ( [0] => 111 [1] => 222 [2] => 333 [3] => 444 )  
?>

27,sunionstore

描述：执行sunion命令并把结果储存到新建的变量中。
参数：
Key: dstkey, the key to store the diff into.
Keys: key1, key2… keyN. key1..keyN are intersected as in sInter.
返回值：成功返回，交集的个数，失败false
范例:

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->sadd("test","111");  
$redis->sadd("test","222");  
$redis->sadd("test","333");  
$redis->sadd("test1","111");  
$redis->sadd("test1","444");  
var_dump($redis->sinterstore(&#39;new&#39;,"test","test1"));  //结果：int(4)  
print_r($redis->smembers(&#39;new&#39;));  //结果:Array ( [0] => 111 [1] => 222 [2] => 333 [3] => 444 )  
?>

28,sdiff

描述：返回第一个集合中存在并在其他所有集合中不存在的结果
参数：Keys: key1, key2, … , keyN: Any number of keys corresponding to sets in redis.
返回值：成功返回数组，失败false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->sadd("test","111");  
$redis->sadd("test","222");  
$redis->sadd("test","333");  
$redis->sadd("test1","111");  
$redis->sadd("test1","444");  
print_r($redis->sdiff("test","test1"));  //结果：Array ( [0] => 222 [1] => 333 )  
?>

29,sdiffstore

描述：执行sdiff命令并把结果储存到新建的变量中。
参数：
Key: dstkey, the key to store the diff into.
Keys: key1, key2, … , keyN: Any number of keys corresponding to sets in redis
返回值：成功返回数字，失败false
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->sadd("test","111");  
$redis->sadd("test","222");  
$redis->sadd("test","333");  
$redis->sadd("test1","111");  
$redis->sadd("test1","444");  
var_dump($redis->sdiffstore(&#39;new&#39;,"test","test1"));  //结果：int(2)  
print_r($redis->smembers(&#39;new&#39;));  //结果:Array ( [0] => 222 [1] => 333 )  
?>

30,smembers, sgetmembers

描述：
返回集合的内容
参数：Key: key
返回值：An array of elements, the contents of the set.
范例：

<?php  
$redis = new redis();  
$redis->connect(&#39;127.0.0.1&#39;, 6379);  
$redis->delete(&#39;test&#39;);  
$redis->sadd("test","111");  
$redis->sadd("test","222");  
print_r($redis->smembers(&#39;test&#39;));  //结果:Array ( [0] => 111 [1] => 222 )  
?>

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