original_string: public function getNode($nodeName, $itemNum = 0)
      {
          $node = $this->getElementsByTagName($nodeName)->item($itemNum);
          if (isset($node)) {
              return $node;
          }
  
          return '';
      }
code: public function getNode($nodeName, $itemNum = 0)
      {
          $node = $this->getElementsByTagName($nodeName)->item($itemNum);
          if (isset($node)) {
              return $node;
          }
  
          return '';
      }
code_tokens: public function getNode ( $ nodeName , $ itemNum = 0 ) { $ node = $ this -> getElementsByTagName ( $ nodeName ) -> item ( $ itemNum ) ; if ( isset ( $ node ) ) { return $ node ; } return '' ; }
docstring: getNode
  Retorna o node solicitado.
  @param string $nodeName
  @param int $itemNum
  @return DOMElement se existir ou string vazia se não
docstring_tokens: getNode Retorna o node solicitado .