public function open(string $msgId, int $index = null)
    {
        $params = [
            'msg_data_id' => $msgId,
            'index' => $index,
        ];

        return $this->httpPostJson('cgi-bin/comment/open', $params);
    }
public function open(string $msgId, int $index = null)
    {
        $params = [
            'msg_data_id' => $msgId,
            'index' => $index,
        ];

        return $this->httpPostJson('cgi-bin/comment/open', $params);
    }
public function open ( string $ msgId , int $ index = null ) { $ params = [ 'msg_data_id' => $ msgId , 'index' => $ index , ] ; return $ this -> httpPostJson ( 'cgi-bin/comment/open' , $ params ) ; }
Open article comment.

@param string   $msgId
@param int|null $index

@return \Psr\Http\Message\ResponseInterface|\EasyWeChat\Kernel\Support\Collection|array|object|string
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