hlen #
Returns the number of fields contained in a hash.
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 #
<?php
use \Kuzzle\Kuzzle;
$kuzzle = new Kuzzle('localhost');
try {
$count = $kuzzle->memoryStorage()->hlen('key');
}
catch (ErrorException $e) {
}Callback response:
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