runkit7_constant_remove
(PECL runkit7 >= Unknown)
runkit7_constant_remove — Remove/Delete an already defined constant
说明
runkit7_constant_remove(string
$constant_name): bool参数
-
constant_name -
Name of the constant to remove. Either the name of a global constant, or
classname::constnameindicating a class constant.
返回值
成功时返回 true， 或者在失败时返回 false。
参见
- define() - 定义一个常量
- runkit7_constant_add() - Similar to define(), but allows defining in class definitions as well
- runkit7_constant_redefine() - Redefine an already defined constant
add a note
User Contributed Notes
There are no user contributed notes for this page.
备份地址：http://www.lvesu.com/blog/php/function.runkit7-constant-remove.php