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PHP - Manual: ReflectionConstant::isDeprecated - 互联网笔记

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PHP - Manual: ReflectionConstant::isDeprecated

2025-04-29

ReflectionConstant::isDeprecated

(PHP 8 >= 8.4.0)

ReflectionConstant::isDeprecatedChecks if deprecated

说明

public ReflectionConstant::isDeprecated(): bool

Checks whether the 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 ReflectionConstant::isDeprecated() example

<?php
// E_STRICT is deprecated as of PHP 8.4
var_dump((new ReflectionConstant('E_STRICT'))->isDeprecated());
?>

以上示例在 PHP 8.4 中的输出:

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

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