runkit_constant_redefine

(PECL runkit >= 0.7.0)

runkit_constant_redefine — Redefine an already defined constant

说明

runkit_constant_redefine ( string $constname , mixed $newvalue ) : bool

参数

constname

Constant to redefine. Either string indicating global constant, or classname::constname indicating class constant.

newvalue

New value to assign to constant.

返回值

成功时返回 TRUE， 或者在失败时返回 FALSE。

参见