# ReflectionClassConstant::isFinal

(PHP 8 >= 8.1.0)

ReflectionClassConstant::isFinal — Checks if class constant is final

### 说明

public ReflectionClassConstant::isFinal(): bool

Checks if the class constant is final.

### 参数

此函数没有参数。

### 返回值

`true` if the class constant is final, otherwise `false`

### 参见

- ReflectionClassConstant::isPublic() - Checks if class constant is public
- ReflectionClassConstant::isPrivate() - Checks if class constant is private
- ReflectionClassConstant::isProtected() - Checks if class constant is protected

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