phpbb\install\helper\iohandler\cli_iohandler::add_success_message PHP Method

    public function add_success_message($error_title, $error_description = false)
    {
        $this->io->newLine();
        $message = $this->translate_message($error_title, $error_description);
        $message_string = $message['title'] . (!empty($message['description']) ? "\n" . $message['description'] : '');
        $this->io->success($message_string);
        if ($this->progress_bar !== null) {
            $this->io->newLine(2);
            $this->progress_bar->display();
        }
    }