hlen

Returns the number of fields contained in a hash.

[Redis documentation]


hlen(key, [options], callback)

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

Options

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

Callback Response

Returns an integer containing the number of fields in the hash.

Usage

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<?php

use \Kuzzle\Kuzzle;


$kuzzle = new Kuzzle('localhost');

try {
  $count = $kuzzle->memoryStorage()->hlen('key');
}
catch (ErrorException $e) {

}

Callback response:

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