PFinal\Wechat\Api::attemptEncrypt PHP Метод

    protected function attemptEncrypt($message)
    {
        //请求未加密时，回复明文内容
        if ($this->encryptType == static::ENCRYPT_TYPE_RAW) {
            return $message;
        }
        //加密
        if ($this->encryptType == static::ENCRYPT_TYPE_AES) {
            $timestamp = time();
            $nonce = uniqid();
            return $this->encryptMsg($message, $timestamp, $nonce);
        }
        throw new WechatException('unknown encrypt type: ' . $this->encryptType);
    }