Deprecated: Optional parameter $keys declared before required parameter $cms_id is implicitly treated as a required parameter in /home/www/dev/work/class/blog/CmsKey.php on line 75

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$title is deprecated in /home/www/dev/work/website/lvesu/class/controller/blog/php.php on line 28

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$outlink is deprecated in /home/www/dev/work/website/lvesu/template/blog/cms/php.manual.tpl on line 2

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$status is deprecated in /home/www/dev/work/website/lvesu/template/blog/index.head.php on line 2
PHP - Manual: ReflectionClassConstant::isDeprecated - 互联网笔记

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PHP - Manual: ReflectionClassConstant::isDeprecated

2025-06-02

ReflectionClassConstant::isDeprecated

(PHP 8 >= 8.4.0)

ReflectionClassConstant::isDeprecatedChecks if deprecated

说明

public ReflectionClassConstant::isDeprecated(): bool

Checks whether the class constant is deprecated.

参数

此函数没有参数。

返回值

true if it's deprecated, otherwise false

示例

示例 #1 ReflectionClassConstant::isDeprecated() example

<?php
class Basket {
#[
\Deprecated(message: 'use Basket::APPLE instead')]
public const
APLE = 'apple';

public const
APPLE = 'apple';
}
$classConstant = new ReflectionClassConstant('Basket', 'APLE');
var_dump($classConstant->isDeprecated());
?>

以上示例会输出:

bool(true)
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官方地址:https://www.php.net/manual/en/reflectionclassconstant.isdeprecated.php

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