runkit7_constant_remove
(PECL runkit7 >= Unknown)
runkit7_constant_remove — Remove/Delete an already defined constant
参数
constant_name-
Name of the constant to remove. Either the name of a global constant, or
classname::constnameindicating a class constant.
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
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备份地址：http://www.lvesu.com/blog/php/function.runkit7-constant-remove.php