Redisphp Example 1

Redisphp instance redis has a lot of operations. I saw a full blog before, but I cannot find it now. Search for things for half a day. Below are some examples of php processing redis, which I think are commonly used. The following example is based on the php-redis extension .? 1, connect? Description: the instance is connected to a Redis instance. parameter: host: redis php instance 1

Redis has many operations. I used to see a full blog, but I cannot find it now. Search for things for half a day. Below are some examples of php processing redis, which I think are commonly used. The following example is based on the php-redis extension.

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1, connect

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Description: the instance is connected to a Redis instance.
Parameter: host: string, port: int
Return value: BOOL success return: TRUE; failure return: FALSE

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 Connect ('1970. 0.0.1 ', 127); var_dump ($ result); // result: bool (true)?>

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2, set

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Description: sets the key and value values.
Parameter: Key Value
Return value: BOOL success return: TRUE; failure return: FALSE

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 Connect ('2017. 0.0.1 ', 6379); $ result = $ redis-> set ('test', "11111111111"); var_dump ($ result); // result: bool (true)?>

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3, get

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Description: Gets the value of a specified key.
Parameter: key
Return value: string or BOOL. if the key does not exist, FALSE is returned. Otherwise, the value corresponding to the specified key is returned.

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 Connect ('2017. 0.0.1 ', 6379); $ result = $ redis-> get ('test'); var_dump ($ result); // result: string (11) "11111111111"?>

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4. delete

Description: deletes a specified key.
Parameter: a key, or an uncertain number of parameters, each key array: key1 key2 key3... KeyN
Return value: number of deleted items

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> set ('test', "1111111111111"); echo $ redis-> get ('test'); // result: 1111111111111 $ redis-> delete ('test'); var_dump ($ redis-> get ('test'); // Result: bool (false)?>

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5, setnx

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Description: if the key does not exist in the database, set the key value parameter.
Parameter: key value
Return value: BOOL success return: TRUE; failure return: FALSE

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> set ('test', "1111111111111"); $ redis-> setnx ('test', "22222222 "); echo $ redis-> get ('test'); // Result: 1111111111111 $ redis-> delete ('test'); $ redis-> setnx ('test ', "22222222"); echo $ redis-> get ('test'); // Result: 22222222?>

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6. exists

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Description: checks whether the specified key exists.
Parameter key
Return value: Bool success return: TRUE; failure return: FALSE

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> set ('test', "1111111111111"); var_dump ($ redis-> exists ('test'); // result: bool (true)?>

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7, incr

Description: storage key-value for incremental data.
Parameter: key value: value to be added to the key
Return value: INT the new value

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> set ('test', "123"); var_dump ($ redis-> incr ("test"); // result: int (124) var_dump ($ redis-> incr ("test"); // Result: int (125)?>

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8, decr

Description: The storage key value of the decimal number.
Parameter: key value: value to be added to the key
Return value: INT the new value

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> set ('test', "123"); var_dump ($ redis-> decr ("test"); // result: int (122) var_dump ($ redis-> decr ("test"); // Result: int (121)?>

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9, getMultiple

Description: Gets the values of all specified keys. If one or more keys do not exist, the value of the key in the array is false.
Parameter: list array containing key values
Return value: returns an array containing values of all keys.

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> set ('test1', "1"); $ redis-> set ('test2', "2 "); $ result = $ redis-> getMultiple (array ('test1', 'test2'); print_r ($ result); // result: array ([0] => 1 [1] => 2)?>

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10, lpush

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Description: Adds a string value to the list header. If this key does not exist, the list is created. If the key exists and is not a list, FALSE is returned.
Parameter: key, value
Returned Value: The array length is returned successfully. if the returned value is false

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> delete ('test'); var_dump ($ redis-> lpush ("test", "111"); // result: int (1) var_dump ($ redis-> lpush ("test", "222"); // Result: int (2)?>

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11. rpush

Description: Adds a string value at the end of the list. If this key does not exist, the list is created. If the key exists and is not a list, FALSE is returned.
Parameter: key, value
Returned Value: The array length is returned successfully. if the returned value is false

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> delete ('test'); var_dump ($ redis-> lpush ("test", "111"); // result: int (1) var_dump ($ redis-> lpush ("test", "222"); // Result: int (2) var_dump ($ redis-> rpush ("test", "333"); // Result: int (3) var_dump ($ redis-> rpush ("test ", "444"); // Result: int (4)?>

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12, lpop

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Description: returns and removes the first element of the list.
Parameter: key
Return value: the value of the first element is returned. if the return value fails, false is returned.

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 Connect ('2017. 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"); // Result: string (3) "222"?>

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12. will rpop be removed after the return is successful or will it be deleted in any way?

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Description: returns and removes the last element of the list.
Parameter: key
Return value: returns the value of the last element. if the return value fails, false is returned.

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 Connect ('2017. 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-> rpop ("test"); // Result: string (3) "444"?>

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13, lsize, llen

Description: the length of the returned list. If the list does not exist or is empty, this command returns 0. If the key is not a list, the command returns FALSE.
Parameter: Key
Returned Value: The array length is returned successfully. if the returned value is false

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 Connect ('2017. 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"); // Result: int (4)?>

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14, lget

Description: return the elements specified by the specified key stored in the list. 0: The first element, 1: The second... -1: The last element,-2's penultimate... If the wrong index or key does not point to the list, FALSE is returned.
Parameter: key index
Returned value: the value of the specified element is returned successfully. if the returned value is false

 Connect ('2017. 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); // Result: string (3) "444"?>

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15, lset

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Description: Adds a value to the index specified in the list. if the index does not exist, false is returned.
Parameter: key index value
Return value: true if the call is successful, false if the call fails.

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> delete ('test'); $ redis-> lpush ("test", "111 "); $ redis-> lpush ("test", "222"); var_dump ($ redis-> lget ("test", 1); // Result: string (3) "111" var_dump ($ redis-> lset ("test", 1, "333"); // Result: bool (true) var_dump ($ redis-> lget ("test", 1); // Result: string (3) "333"?>

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16, lgetrange

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Description:
Returns the specified element lGetRange (key, start, end) from start to end in the specified key list of the region ). 0: The first element, 1: The second element... -1: The last element,-2's penultimate...
Parameter: key start end
Return value: the search value is returned successfully. if the query fails, false is returned.

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> delete ('test'); $ redis-> lpush ("test", "111 "); $ redis-> lpush ("test", "222"); print_r ($ redis-> lgetrange ("test", 0,-1); // result: array ([0] => 222 [1] => 111)?>

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17, lremove

Description: removes count matched values from the header of the list. If count is zero, all matched elements are deleted. If count is a negative number, the content is deleted from the end.
Parameter: key count value
Return value: the number of deleted items returned. if the deletion fails, the return value is false.

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 Connect ('2017. 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); // result: array ([0] => c [1] => B [2] => a [3] => a) var_dump ($ redis-> lremove ('test ', 'A', 2); // Result: int (2) print_r ($ redis-> lgetrange ('test', 0,-1); // result: array ([0] => c [1] => B)?>

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18, sadd

Description: Adds a value to a Key. If the value is already in this Key, FALSE is returned.
Parameter: key value
Return value: true if the call is successful, false if the call fails.

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> delete ('test'); var_dump ($ redis-> sadd ('test', '123'); // result: bool (true) var_dump ($ redis-> sadd ('test', '000000'); // Result: bool (true) print_r ($ redis-> sort ('test'); // result: Array ([0] => 111 [1] => 333)?>

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19, sremove

Description: deletes the specified value in the Key.
Parameter: key member
Return value: true or false

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> delete ('test'); $ redis-> sadd ('test', '123 '); $ redis-> sadd ('test', '123456'); $ redis-> sremove ('test', '123456 '); print_r ($ redis-> sort ('test'); // result: Array ([0] => 333)?>

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20, smove

Description: move the value in Key1 to Key2.
Parameter: srcKey dstKey member
Return value: true or false

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> delete ('test'); $ redis-> delete ('test1'); $ redis-> sadd ('test ', '123'); $ redis-> sadd ('test', '123'); $ redis-> sadd ('test1', '123 '); $ redis-> sadd ('test1', '20140901'); $ redis-> smove ('test', "test1", '20140901 '); print_r ($ redis-> sort ('test1'); // result: array ([0] => 111 [1] => 222 [2] => 444)?>

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21, scontains

Description: checks whether a specified value exists in the set.
Parameter: key value
Return value: true or false

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> delete ('test'); $ redis-> sadd ('test', '123 '); $ redis-> sadd ('test', '123456'); $ redis-> sadd ('test', '123456 '); var_dump ($ redis-> scontains ('test', '000000'); // Result: bool (true)?>

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 Connect ('2017. 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 ")); // result: Array ([0] => 222 [1] => 333)?>

?22, ssize

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Description: number of stored values in the collection.
Parameter: key
Returned value: the number of returned arrays. if the return value is successful, the return value is 0.

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> delete ('test'); $ redis-> sadd ('test', '123 '); $ redis-> sadd ('test', '000000'); echo $ redis-> ssize ('test'); // Result: 2?>

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23, spop

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Description: random removal and return a value in the key.
Parameter: key
Return value: the deleted value is returned. if the deletion fails, false is returned.

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 Connect ('2017. 0.0.1 ', 6379); $ redis-> delete ('test'); $ redis-> sadd ("test", "111 "); $ redis-> sadd ("test", "222"); $ redis-> sadd ("test", "333 "); var_dump ($ redis-> spop ("test"); // Result: string (3) "333"?>

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24, sinter

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Description: returns the intersection of all specified keys. If only one key is specified, this command generates the members of this set. If a key does not exist, FALSE is returned.
Parameter: key1, key2, keyN
Returned value: Array intersection is returned successfully. if the return value is false

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 Connect ('2017. 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 ")); // result: array (1) {[0] => string (3) "111"}?>

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25, sinterstore

Description: run the sInter command and save the result to the new variable.
Parameters:
Key: dstkey, the key to store the diff.
Keys: key1, key2... KeyN. key1.. keyN are intersected as in sInter.
Return value: success, number of intersections, failure, false

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 Connect ('2017. 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"); // Result: int (1) var_dump ($ redis-> smembers ('New'); // result: array (1) {[0] => string (3) "111"}?>

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26, sunion

Description:
Returns the union of all specified keys.
Parameters:
Keys: key1, key2 ,... , KeyN
Returned value: the merged set is returned successfully. if the merging fails, false is returned.

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 Connect ('2017. 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 ")); // result: Array ([0] => 111 [1] => 222 [2] => 333 [3] => 444)?>

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27, sunionstore

Description: execute the sunion command and save the result to the new variable.
Parameters:
Key: dstkey, the key to store the diff.
Keys: key1, key2... KeyN. key1.. keyN are intersected as in sInter.
Return value: success, number of intersections, failure, false

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 Connect ('2017. 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"); // Result: int (4) print_r ($ redis-> smembers ('New'); // result: array ([0] => 111 [1] => 222 [2] => 333 [3] => 444)?>

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28, sdiff (difference set)

Description: return the result that exists in the first set and does not exist in all other sets.
Parameter: Keys: key1, key2 ,... , KeyN: Any number of keys corresponding to sets in redis.
Returned Value: The array is returned successfully, and the returned value is false.

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 Connect ('2017. 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 ")); // result: Array ([0] => 222 [1] => 333)?>

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29, sdiffstore

Description: execute the sdiff command and save the result to the new variable.
Parameters:
Key: dstkey, the key to store the diff.
Keys: key1, key2 ,... , KeyN: Any number of keys corresponding to sets in redis
Return value: a number is returned for success, and false is returned for failure.

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 Connect ('2017. 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"); // Result: int (2) print_r ($ redis-> smembers ('New'); // result: array ([0] => 222 [1] => 333)?>

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30, smembers, sgetmembers

Description:
Returns the content of the set.
Parameter: Key: key
Returned value: An array of elements, the contents of the set.
Example:

 Connect ('2017. 0.0.1 ', 6379); $ redis-> delete ('test'); $ redis-> sadd ("test", "111 "); $ redis-> sadd ("test", "222"); print_r ($ redis-> smembers ('test'); // result: array ([0] => 111 [1] => 222)?>

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Original article: http://blog.51yip.com/cache/1439.html

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