imagearea.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/>.

/**
 * Theme Boost Campus - Layout file for Image area.
 *
 * @package   theme_boost_campus
 * @copyright 2017 Kathrin Osswald, Ulm University kathrin.osswald@uni-ulm.de
 * @copyright based on code from theme_boost by Damyon Wiese
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once($CFG->dirroot . '/theme/boost_campus/locallib.php');

$imageareafiles = theme_boost_campus_get_imageareacontent();

// Only proceed if received array is not empty.
if (!empty($imageareafiles)) {
    $templatecontext['imageareafiles'] = $imageareafiles;
    $templatecontext['hasimagearea'] = true;
} else {
    $templatecontext['hasimagearea'] = false;
}