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PHP - Manual: runkit7_constant_redefine - 互联网笔记

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PHP - Manual: runkit7_constant_redefine

2025-04-28

runkit7_constant_redefine

(PECL runkit7 >= Unknown)

runkit7_constant_redefineRedefine an already defined constant

说明

runkit7_constant_redefine(string $constant_name, mixed $value, int $new_visibility = ?): bool

参数

constant_name

Constant to redefine. Either the name of a global constant, or classname::constname indicating class constant.

value

Value to assign to the constant.

new_visibility

The new visibility of the constant, for class constants. Unchanged by default. One of the RUNKIT7_ACC_* constants.

返回值

成功时返回 true, 或者在失败时返回 false

参见

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官方地址:https://www.php.net/manual/en/function.runkit7-constant-redefine.php

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