- PHP 手册
- 函数参考
- 影响 PHP 行为的扩展
- uopz
- Uopz 函数
uopz_redefine
(PECL uopz 1, PECL uopz 2, PECL uopz 5, PECL uopz 6, PECL uopz 7)
uopz_redefine — Redefine a constant
说明
uopz_redefine(string$constant
, mixed $value
): bool
uopz_redefine(string $class
, string $constant
, mixed $value
): bool
Redefines the given constant
as value
参数
-
class
-
The name of the class containing the constant
-
constant
-
The name of the constant
-
value
-
The new value for the constant, must be a valid type for a constant variable
返回值
成功时返回 true
, 或者在失败时返回 false
。
范例
示例 #1 uopz_redefine() example
<?php
define("MY", 100);
uopz_redefine("MY", 1000);
echo MY;
?>
以上例程会输出:
1000
User Contributed Notes
There are no user contributed notes for this page.官方地址:https://www.php.net/manual/en/function.uopz-redefine.php