(PECL uopz 1, PECL uopz 2, PECL uopz 5, PECL uopz 6)
uopz_redefine — Redefine a constant
Redefines the given constant
as value
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
成功时返回 true
, 或者在失败时返回 false
。
示例 #1 uopz_redefine() example
<?php
define("MY", 100);
uopz_redefine("MY", 1000);
echo MY;
?>
以上例程会输出:
1000