<?php

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

/**
 * @param $installer
 */
function upgrade_20110905_multibyte_lc_fix_tiki($installer)
{
    if (function_exists('mb_strtolower')) {
        $pages = $installer->table('tiki_pages')->fetchColumn('pageName', []);
        $objectperms = $installer->table('users_objectpermissions');

        foreach ($pages as $originalName) {
            $lowercase = strtolower($originalName);
            $mblowercase = mb_strtolower($originalName, 'UTF-8');

            if ($lowercase != $mblowercase) {
                $old = md5('wiki page' . $lowercase);
                $new = md5('wiki page' . $mblowercase);

                $objectperms->updateMultiple(
                    [
                        'objectId' => $new,
                    ],
                    [
                        'objectType' => 'wiki page',
                        'objectId' => $old,
                    ]
                );
            }
        }
    }
}