runkit_constant_redefine
(PECL runkit:0.7-0.9)
runkit_constant_redefine — Redefine an already defined constant
说明
bool runkit_constant_redefine
( string $constname
, mixed $newvalue
)
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
如果成功则返回 TRUE，失败则返回 FALSE。
