SDK
SDK PHP v3.x
1

exists #

Checks if the specified keys exist in the database.

[Redis documentation]


exists(keys, [options], callback) #

Arguments Type Description
keys array List of keys to check for existence
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 existing keys amongst the provided list.

Usage #

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<?php
use \Kuzzle\Kuzzle;
$kuzzle = new Kuzzle('localhost');
try {
  $count = $kuzzle->memoryStorage()->exists(['key1', 'key2', '...']);
}
catch (ErrorException $e) {
}

Callback response:

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