文字
runkit_constant_add
(PECL runkit >= 0.7.0)
runkit_constant_add — Similar to define(), but allows defining in class definitions as well
说明
bool runkit_constant_add
( string
$constname
, mixed $value
)参数
-
constname -
Name of constant to declare. Either a string to indicate a global constant, or classname::constname to indicate a class constant.
-
value -
NULL, Bool, Long, Double, String, or Resource value to store in the new 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
- runkit_constant_redefine() - Redefine an already defined constant
- runkit_constant_remove() - Remove/Delete an already defined constant