openstamanager/templates/registro_iva/settings.php

<?php
/*
 * OpenSTAManager: il software gestionale open source per l'assistenza tecnica e la fatturazione
 * Copyright (C) DevCode s.r.l.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

$format = (isset($_SESSION['stampe_contabili']['format'])) ? $_SESSION['stampe_contabili']['format'] : 'A4';
$orientation = (isset($_SESSION['stampe_contabili']['orientation'])) ? $_SESSION['stampe_contabili']['orientation'] : 'L';

return [
    'format' => $format,
    'orientation' => $orientation,
    'font-size' => '11pt',
];