ReflectionClassConstant::isDeprecated

(PHP 8 >= 8.4.0)

ReflectionClassConstant::isDeprecatedChecks if deprecated

说明

public function 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)