我可以通过Reflection获得私有财产的价值吗? [英] Can I get the value of a private property with Reflection?

问题描述

它似乎不起作用:

$ref = new ReflectionObject($obj);

if($ref->hasProperty('privateProperty')){
  print_r($ref->getProperty('privateProperty'));
}

它进入IF循环，然后引发错误:

It gets into the IF loop, and then throws an error:

属性privateProperty不存在

Property privateProperty does not exist

:|

$ref = new ReflectionProperty($obj, 'privateProperty')也不起作用...

文档页面列出了一些常量，包括IS_PRIVATE.如果我无法访问私有财产，怎么用呢?

The documentation page lists a few constants, including IS_PRIVATE. How can I ever use that if I can't access a private property lol?

推荐答案

class A
{
    private $b = 'c';
}

$obj = new A();

$r = new ReflectionObject($obj);
$p = $r->getProperty('b');
$p->setAccessible(true); // <--- you set the property to public before you read the value

var_dump($p->getValue($obj));

这篇关于我可以通过Reflection获得私有财产的价值吗?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！