# uopz_redefine

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

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

Example #1 uopz_redefine() example

    <?php
    define("MY", 100);

    uopz_redefine("MY", 1000);

    echo MY;
    ?>

以上例程会输出：

    1000