PHP Manual
runkit 函数
Similar to define(), but allows defining in class definitions as well

runkit_constant_add

(PECL runkit >= 0.7.0)

runkit_constant_add — Similar to define(), but allows defining in class definitions as well

说明

runkit_constant_add ( string $constname , mixed $value ) : bool

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

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