ReflectionClassConstant::isFinal Checks if class constant is final &reftitle.description; public boolReflectionClassConstant::isFinal Checks if the class constant is final. &reftitle.parameters; &no.function.parameters; &reftitle.returnvalues; &true; if the class constant is final, otherwise &false; &reftitle.seealso; ReflectionClassConstant::isPublic ReflectionClassConstant::isPrivate ReflectionClassConstant::isProtected