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PHP - Manual: ReflectionProperty::isDynamic - 互联网笔记

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PHP - Manual: ReflectionProperty::isDynamic

2025-04-29

ReflectionProperty::isDynamic

(PHP 8 >= 8.4.0)

ReflectionProperty::isDynamicChecks if property is a dynamic property

说明

public ReflectionProperty::isDynamic(): bool

Checks whether the property was declared at run-time, or whether the property was declared at compile-time.

参数

此函数没有参数。

返回值

true if the property was declared at run-time, or false if it was created at compile-time.

示例

示例 #1 ReflectionProperty::isDynamic() example

<?php

#[\AllowDynamicProperties]
class
Foo {
public
$bar;
}

$o = new Foo();
$o->bar = 42;
$o->baz = 42;

$ro = new ReflectionObject($o);
var_dump($ro->getProperty('bar')->isDynamic());
var_dump($ro->getProperty('baz')->isDynamic());
?>

以上示例会输出:

bool(false)
bool(true)

参见

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官方地址:https://www.php.net/manual/en/reflectionproperty.isdynamic.php

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