PHP 8.3.0 RC 6 available for testing

uopz_redefine

(PECL uopz 1, PECL uopz 2, PECL uopz 5, PECL uopz 6, PECL uopz 7)

uopz_redefineRedefine 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

示例

示例 #1 uopz_redefine() example

<?php
define
("MY", 100);

uopz_redefine("MY", 1000);

echo
MY;
?>

以上示例会输出:

 
1000
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