original_string: public function open(string $msgId, int $index = null)
      {
          $params = [
              'msg_data_id' => $msgId,
              'index' => $index,
          ];
  
          return $this->httpPostJson('cgi-bin/comment/open', $params);
      }
code: public function open(string $msgId, int $index = null)
      {
          $params = [
              'msg_data_id' => $msgId,
              'index' => $index,
          ];
  
          return $this->httpPostJson('cgi-bin/comment/open', $params);
      }
code_tokens: public function open ( string $ msgId , int $ index = null ) { $ params = [ 'msg_data_id' => $ msgId , 'index' => $ index , ] ; return $ this -> httpPostJson ( 'cgi-bin/comment/open' , $ params ) ; }
docstring: Open article comment.
  
  @param string   $msgId
  @param int|null $index
  
  @return \Psr\Http\Message\ResponseInterface|\EasyWeChat\Kernel\Support\Collection|array|object|string
docstring_tokens: Open article comment .