BusinessCardInfos = []; foreach ($param["BusinessCardInfos"] as $key => $value) { $obj = new BusinessCardInfo(); $obj->deserialize($value); array_push($this->BusinessCardInfos, $obj); } } if (array_key_exists("RetImageBase64", $param) and $param["RetImageBase64"] !== null) { $this->RetImageBase64 = $param["RetImageBase64"]; } if (array_key_exists("RequestId", $param) and $param["RequestId"] !== null) { $this->RequestId = $param["RequestId"]; } } }