runkit7_constant_add

    (PECL runkit7 >= Unknown)

    runkit7_constant_add — Similar to define(), but allows defining in class definitions as well

    说明

    runkit7_constant_add(string $constant_name, mixed $value, int $newVisibility = ?): bool

    参数

    constant_name
    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, Array, or Resource value to store in the new constant.
    newVisibility
    Visibility of the constant, for class constants. Public by default. One of the RUNKIT7_ACC_* constants.

    返回值

    成功时返回 true， 或者在失败时返回 false。

    参见

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