Elastica\ResultSet::getTotalHits PHP Method

    public function getTotalHits()
    {
        $data = $this->_response->getData();
        return isset($data['hits']['total']) ? (int) $data['hits']['total'] : 0;
    }

 /**
  * @return int
  */
 public function count()
 {
     if (null === $this->resultSet) {
         $this->search();
     }
     return $this->resultSet->getTotalHits();
 }