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

        return $this->parseJSON('json', [self::API_OPEN_COMMENT, $params]);
    }
public function open($msgId, $index)
    {
        $params = [
            'msg_data_id' => $msgId,
            'index' => $index,
        ];

        return $this->parseJSON('json', [self::API_OPEN_COMMENT, $params]);
    }
public function open ( $ msgId , $ index ) { $ params = [ 'msg_data_id' => $ msgId , 'index' => $ index , ] ; return $ this -> parseJSON ( 'json' , [ self :: API_OPEN_COMMENT , $ params ] ) ; }
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@param string $msgId
@param int    $index

@return \EasyWeChat\Support\Collection
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