Question

我生成了这些数据，但是如何获取数据的值，例如

用户ID - ＆gt; [id] =＆gt; 1429517

消息 - ＆gt; [data：ProtocolNode：private] =＆gt;得到我的消息

Array
(
[0] => ProtocolNode Object
    (
        [tag:ProtocolNode:private] => message
        [attributeHash:ProtocolNode:private] => Array
            (
                [id] => 1429517
                [offline] => 0
                [type] => text
                [t] => 14722889
            )

        [children:ProtocolNode:private] => Array
            (
                [0] => ProtocolNode Object
                    (
                        [tag:ProtocolNode:private] => body
                        [attributeHash:ProtocolNode:private] => Array
                            (
                            )

                        [children:ProtocolNode:private] => 
                        [data:ProtocolNode:private] => get my message
                    )

            )

        [data:ProtocolNode:private] => 
    )

)

我尝试过使用它：

    foreach($msgs as $msg) {
    echo 'test: ' . $msg->tag ; 
    }

但是我收到了错误：

致命错误：无法访问私有属性ProtocolNode :: $ tag

Answer 1

$reflection = new ReflectionClass($msg);
$prop = $reflection->getProperty("tag");
$prop->setAccessible(true);
$tag = $prop->getValue();

但是这有点破解方式，如果你有自己的ProtocolNode，那么最好添加getter＆＃34; getTag＆＃34;，如果ProtocolNode是某个供应商的lib类，那么你可以将ProtocolNode扩展到MyProtocolNode，添加getter

在对象中获取私有值

1 个答案: