tell_my_name.php

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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.
//
// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Just tell my site name, without auth or redirs.
 * This is NOT a critical info !
 *
 * @package local_vmoodle
 * @category local
 * @author Valery Fremaux (valery.fremaux@gmail.com)
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL
 */
include('../../config.php');

$short = optional_param('short', false, PARAM_BOOL);

if ($short) {
    echo $SITE->shortname;
} else {
    echo $SITE->fullname;
}