这是我的.proto文件:
message HelloReply {
string message = 1;
}
这是使用grpc_php_plugin运行的协议输出的php:
<?php
# Generated by the protocol buffer compiler. DO NOT EDIT!
# source: helloworld.proto
namespace Helloworld;
use Google\Protobuf\Internal\GPBType;
use Google\Protobuf\Internal\RepeatedField;
use Google\Protobuf\Internal\GPBUtil;
/**
* The request message containing the user's name.
*
* Generated from protobuf message <code>helloworld.HelloRequest</code>
*/
class HelloRequest extends \Google\Protobuf\Internal\Message
{
/**
* Generated from protobuf field <code>string name = 1;</code>
*/
private $name = '';
/**
* Constructor.
*
* @param array $data {
* Optional. Data for populating the Message object.
*
* @type string $name
* }
*/
public function __construct($data = NULL) {
\GPBMetadata\Helloworld::initOnce();
parent::__construct($data);
}
/**
* Generated from protobuf field <code>string name = 1;</code>
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* Generated from protobuf field <code>string name = 1;</code>
* @param string $var
* @return $this
*/
public function setName($var)
{
GPBUtil::checkString($var, True);
$this->name = $var;
return $this;
}
}
这是我代码中的一个小故事:
$name="test_name";
$request = new Helloworld\HelloRequest(array("name"=>$name));
echo "Name is " . $request->getName() . "\n";
var_dump($request);
以下是输出:
Name is test_name
object(Helloworld\HelloRequest)#3 (0) {
}
为什么var_dump不给我“ HelloRequest”对象中存储的“名称”值? 如何输出gRPC生成的类的实例的所有属性及其值? 是什么导致隐藏了扩展gRPC'Message'的类的实例的属性?
我尝试过类型转换:
$strvar = (string) $request;
导致以下错误:
PHP Recoverable fatal error: Object of class Helloworld\HelloRequest could not be converted to string in /home/........./php/greeter_client.php on line 42
答案 0 :(得分:1)
一种解决方法可能是
var_dump($request->serializeToJsonString())