incrby

Increments the number stored at key by the provided integer value. If the key does not exist, it is set to 0 before performing the operation.

[Redis documentation]


incrby(key, value, [options], [callback])

Arguments Type Description
key string Key identifier
value int Increment value
options JSON Object Optional parameters
callback function Callback

Options

Option Type Description Default
queuable boolean Make this request queuable or not true

Return Value

Returns the MemoryStorage object to allow chaining.


Callback Response

Returns an integer containing the updated key value.

Usage

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<?php

use \Kuzzle\Kuzzle;


$kuzzle = new Kuzzle('localhost');

try {
  $value = $kuzzle->memoryStorage()->incrby('key', -3);
}
catch (ErrorException $e) {

}

Callback response:

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