dcAdvancedCleaner/_install.php

<?php
/**
 * @brief dcAdvancedCleaner, a plugin for Dotclear 2
 *
 * @package Dotclear
 * @subpackage Plugin
 *
 * @author Jean-Christian Denis and Contributors
 *
 * @copyright Jean-Christian Denis
 * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
 */
if (!defined('DC_CONTEXT_ADMIN')) {
    return null;
}

$new_version = $core->plugins->moduleInfo('dcAdvancedCleaner', 'version');
$old_version = $core->getVersion('dcAdvancedCleaner');

if (version_compare($old_version, $new_version, '>=')) {
    return null;
}

try {
    $core->blog->settings->addNamespace('dcAdvancedCleaner');

    $core->blog->settings->dcAdvancedCleaner->put(
        'dcAdvancedCleaner_behavior_active',
        true,
        'boolean',
        '',
        false,
        true
    );
    $core->blog->settings->dcAdvancedCleaner->put(
        'dcAdvancedCleaner_dcproperty_hide',
        true,
        'boolean',
        '',
        false,
        true
    );

    $core->setVersion('dcAdvancedCleaner', $new_version);

    return true;
} catch (Exception $e) {
    $core->error->add($e->getMessage());

    return false;
}