Elastica\Document::isAutoPopulate PHP Method

    public function isAutoPopulate()
    {
        return $this->_autoPopulate;
    }

 /**
  * Adds the given document to the search index
  *
  * @param  \Elastica\Document $doc Document with data
  * @return \Elastica\Response
  */
 public function addDocument(Document $doc)
 {
     $path = urlencode($doc->getId());
     $type = Request::PUT;
     // If id is empty, POST has to be used to automatically create id
     if (empty($path)) {
         $type = Request::POST;
     }
     $options = $doc->getOptions(array('version', 'version_type', 'routing', 'percolate', 'parent', 'ttl', 'timestamp', 'op_type', 'consistency', 'replication', 'refresh', 'timeout'));
     $response = $this->request($path, $type, $doc->getData(), $options);
     $data = $response->getData();
     // set autogenerated id to document
     if (($doc->isAutoPopulate() || $this->getIndex()->getClient()->getConfigValue(array('document', 'autoPopulate'), false)) && $response->isOk()) {
         if (!$doc->hasId()) {
             if (isset($data['_id'])) {
                 $doc->setId($data['_id']);
             }
         }
         if (isset($data['_version'])) {
             $doc->setVersion($data['_version']);
         }
     }
     return $response;
 }