Console\Locale\EnableLocaleCommand::askToAddInterfaceLocale PHP Method

    private function askToAddInterfaceLocale()
    {
        $addToInterfaceLocale = $this->formatter->confirm('Would you like to add this locale to the interface locale?');
        if (!$addToInterfaceLocale) {
            return;
        }
        $this->interfaceLocale = array_flip($this->interfaceLocale);
        $this->interfaceLocale[] = $this->workingLocale;
        $this->settings->set('Core', 'interface_languages', $this->interfaceLocale);
        $this->interfaceLocale = array_flip($this->interfaceLocale);
        $makeDefault = $this->formatter->confirm('Would you like to make this locale the default interface locale?', false);
        if (!$makeDefault) {
            return;
        }
        $this->defaultInterfaceLocale = $this->workingLocale;
        $this->settings->set('Core', 'default_interface_language', $this->workingLocale);
    }