runkit_constant_remove
(PECL runkit:0.7-0.9)
runkit_constant_remove — Remove/Delete an already defined constant
说明
bool runkit_constant_remove
( string $constname
)
参数
- constname
-
Name of constant to remove. Either a string indicating a global constant, or classname::constname indicating a class constant.
返回值
如果成功则返回 TRUE，失败则返回 FALSE。