Omnipay\Alipay\Requests\AbstractAopRequest::getBizData PHP Method

    public function getBizData($key = null, $default = null)
    {
        if (is_string($this->getBizContent())) {
            $data = json_decode($this->getBizContent(), true);
        } else {
            $data = $this->getBizContent();
        }
        if (is_null($key)) {
            return $data;
        } else {
            return array_get($data, $key, $default);
        }
    }