Barryvdh\TranslationManager\Manager::exportAllTranslations PHP Method

    public function exportAllTranslations()
    {
        $select = '';
        switch (DB::getDriverName()) {
            case 'mysql':
                $select = 'DISTINCT `group`';
                break;
            default:
                $select = 'DISTINCT "group"';
                break;
        }
        $groups = Translation::whereNotNull('value')->select(DB::raw($select))->get('group');
        foreach ($groups as $group) {
            $this->exportTranslations($group->group);
        }
    }