runkit_constant_remove
(PECL)
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。