Checks if class constant is final

# ReflectionClassConstant::isFinal

(PHP 8 >= 8.1.0)

ReflectionClassConstant::isFinal — Checks if class constant is final

### Description

public ReflectionClassConstant::isFinal(): bool

Checks if the class constant is final.

### Parameters

This function has no parameters.

### Return Values

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

### See Also

- 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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