getKbRevision.php

<?php

/**
 * ---------------------------------------------------------------------
 *
 * GLPI - Gestionnaire Libre de Parc Informatique
 *
 * http://glpi-project.org
 *
 * @copyright 2015-2025 Teclib' and contributors.
 * @copyright 2003-2014 by the INDEPNET Development Team.
 * @licence   https://www.gnu.org/licenses/gpl-3.0.html
 *
 * ---------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of GLPI.
 *
 * 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/>.
 *
 * ---------------------------------------------------------------------
 */

/**
 * @since 9.1
 */

use Glpi\RichText\RichText;

header("Content-Type: application/json; charset=UTF-8");
Html::header_nocache();

Session::checkCentralAccess();

if (!isset($_POST['revid'])) {
    throw new \RuntimeException('Required argument missing!');
}

$revid = $_POST['revid'];

$revision = new KnowbaseItem_Revision();
$revision->getFromDB($revid);

$item = new \KnowbaseItem();
if (
    !$item->getFromDB($revision->fields['knowbaseitems_id'])
    || !$item->can($revision->fields['knowbaseitems_id'], READ)
) {
    return;
}

$rev = [
    'name'   => $revision->fields['name'],
    'answer' => RichText::getEnhancedHtml($revision->fields['answer'])
];

echo json_encode($rev);