php handles redis-PHP Tutorial-php.cn

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:

connect('127.0.0.1', 6379); var_dump($result); //结果：bool(true) ?>

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

connect('127.0.0.1', 6379); $result = $redis->set('test',"11111111111"); var_dump($result); //结果：bool(true) ?>

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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:

connect('127.0.0.1', 6379); $result = $redis->get('test'); var_dump($result); //结果：string(11) "11111111111" ?>

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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:

connect('127.0.0.1', 6379); $redis->set('test',"1111111111111"); echo $redis->get('test'); //结果：1111111111111 $redis->delete('test'); var_dump($redis->get('test')); //结果：bool(false) ?>

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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 :

connect('127.0.0.1', 6379); $redis->set('test',"1111111111111"); $redis->setnx('test',"22222222"); echo $redis->get('test'); //结果：1111111111111 $redis->delete('test'); $redis->setnx('test',"22222222"); echo $redis->get('test'); //结果：22222222 ?>

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6, exists

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

connect('127.0.0.1', 6379); $redis->set('test',"1111111111111"); var_dump($redis->exists('test')); //结果：bool(true) ?>

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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:

connect('127.0.0.1', 6379); $redis->set('test',"123"); var_dump($redis->incr("test")); //结果：int(124) var_dump($redis->incr("test")); //结果：int(125) ?>

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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:

connect('127.0.0.1', 6379); $redis->set('test',"123"); var_dump($redis->decr("test")); //结果：int(122) var_dump($redis->decr("test")); //结果：int(121) ?>

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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:

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

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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：

connect('127.0.0.1', 6379); $redis->delete('test'); var_dump($redis->lpush("test","111")); //结果：int(1) var_dump($redis->lpush("test","222")); //结果：int(2) ?>

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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：

connect('127.0.0.1', 6379); $redis->delete('test'); var_dump($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) ?>

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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：

connect('127.0.0.1', 6379); $redis->delete('test'); $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" ?>

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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：

connect('127.0.0.1', 6379); $redis->delete('test'); $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) ?>

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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：

connect('127.0.0.1', 6379); $redis->delete('test'); $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" ?>

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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：

connect('127.0.0.1', 6379); $redis->delete('test'); $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" ?>

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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：

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

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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：

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

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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：

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

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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：

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

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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

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

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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：

connect('127.0.0.1', 6379); $redis->delete('test'); $redis->sadd('test','111'); $redis->sadd('test','112'); $redis->sadd('test','113'); var_dump($redis->scontains('test', '111')); //结果：bool(true) ?>

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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：

connect('127.0.0.1', 6379); $redis->delete('test'); $redis->sadd('test','111'); $redis->sadd('test','112'); echo $redis->ssize('test'); //结果：2 ?>

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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

connect('127.0.0.1', 6379); $redis->delete('test'); $redis->sadd("test","111"); $redis->sadd("test","222"); $redis->sadd("test","333"); var_dump($redis->spop("test")); //结果：string(3) "333" ?>

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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：

connect('127.0.0.1', 6379); $redis->delete('test'); $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" } ?>

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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:

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

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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：

connect('127.0.0.1', 6379); $redis->delete('test'); $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 ) ?>

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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:

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

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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：

connect('127.0.0.1', 6379); $redis->delete('test'); $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 ) ?>

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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：

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

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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：

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

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