BetterReflection\NodeCompiler\CompileNodeToValue::compileConstFetch PHP Метод

    private function compileConstFetch(Node\Expr\ConstFetch $constNode)
    {
        $firstName = reset($constNode->name->parts);
        switch ($firstName) {
            case 'null':
                return null;
            case 'false':
                return false;
            case 'true':
                return true;
            default:
                if (!defined($firstName)) {
                    throw new Exception\UnableToCompileNode(sprintf('Constant "%s" has not been defined', $firstName));
                }
                return constant($firstName);
        }
    }