Elastica\Search::hasTypes PHP Method

    public function hasTypes()
    {
        return count($this->_types) > 0;
    }

 /**
  * @param  \Elastica\Search $search
  * @return array
  */
 protected function _getSearchDataHeader(BaseSearch $search)
 {
     $header = $search->getOptions();
     if ($search->hasIndices()) {
         $header['index'] = $search->getIndices();
     }
     if ($search->hasTypes()) {
         $header['types'] = $search->getTypes();
     }
     return $header;
 }