exists #

Checks if the document exists in Kuzzle.

exists([options], callback) #

Arguments	Type	Description
`options`	JSON Object	Optional parameters
`callback`	function	Callback handling the response

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

Return a boolean indicating whether or not the document exists in Kuzzle.

<?php
use \Kuzzle\Document;
// ...
/**
  * @var $document Document
  */
try {
  $exists = $document->exists();
} catch (ErrorException $e) {
}