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