getset

Sets a new value for a key and returns its previous value.

[Redis documentation]


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

Arguments Type Description
key string Key identifier
value string Key's new 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 the key's previous value.

Usage

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<?php

use \Kuzzle\Kuzzle;


$kuzzle = new Kuzzle('localhost');

try {
  $oldValue = $kuzzle->memoryStorage()->getset('key', 'oldValue');
}
catch (ErrorException $e) {

}

Callback response:

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"value"