Php/docs/function.uopz-redefine
来自菜鸟教程
uopz_redefine
(PECL uopz 1, PECL uopz 2, PECL uopz 5, PECL uopz 6)
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
<?phpdefine("MY", 100);uopz_redefine("MY", 1000);echo MY;?>
以上例程会输出:
1000