(PHP 8 >= 8.4.0)
ReflectionClassConstant::isDeprecated — Checks if deprecated
Checks whether the class constant is deprecated.
此函数没有参数。
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)