dcFilterDuplicate/_install.php

<?php
/**
 * @brief dcFilterDuplicate, a plugin for Dotclear 2
 * 
 * @package Dotclear
 * @subpackage Plugin
 * 
 * @author Jean-Christian Denis, Pierre Van Glabeke
 * 
 * @copyright Jean-Christian Denis
 * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
 */

if (!defined('DC_CONTEXT_ADMIN')) {
    return null;
}

# -- Module specs --
$dc_min = '2.6';
$mod_id = 'dcFilterDuplicate';
$mod_conf = [[
        'dcfilterduplicate_minlen',
        'Minimum lenght of comment to filter',
        30,
        'integer'
]];

# -- Nothing to change below --
try {
    # Check module version
    if (version_compare(
        $core->getVersion($mod_id),
        $core->plugins->moduleInfo($mod_id, 'version'),
        '>=')) {
        return null;
    }
    # Check Dotclear version
    if (!method_exists('dcUtils', 'versionsCompare') 
     || dcUtils::versionsCompare(DC_VERSION, $dc_min, '<', false)) {
        throw new Exception(sprintf(
            '%s requires Dotclear %s', $mod_id, $dc_min
        ));
    }
    # Set module settings
    $core->blog->settings->addNamespace($mod_id);
    foreach($mod_conf as $v) {
        $core->blog->settings->{$mod_id}->put(
            $v[0], $v[2], $v[3], $v[1], false, true
        );
    }
    # Set module version
    $core->setVersion(
        $mod_id,
        $core->plugins->moduleInfo($mod_id, 'version')
    );
    return true;
}
catch (Exception $e) {
    $core->error->add($e->getMessage());
    return false;
}