getIndex() public method

Returns the index name of the result.
public getIndex ( ) : string
return string Index name
 /**
  * Set interwiki and interwikiNamespace properties
  * @param \Elastica\Result $result containing the given search result
  * @param string $interwiki Interwiki prefix, if any
  */
 private function setInterwiki($result, $interwiki)
 {
     $resultIndex = $result->getIndex();
     $indexBase = InterwikiSearcher::getIndexForInterwiki($interwiki);
     $pos = strpos($resultIndex, $indexBase);
     if ($pos === 0 && $resultIndex[strlen($indexBase)] == '_') {
         $this->interwiki = $interwiki;
         $this->interwikiNamespace = $result->namespace_text ? $result->namespace_text : '';
     }
 }