update.php

讲的是网络编程

<?php
// $Id: update.php 2 2005-11-02 18:23:29Z skalpa $
//  ------------------------------------------------------------------------ //
//                XOOPS - PHP Content Management System                      //
//                    Copyright (c) 2000 XOOPS.org                           //
//                       <http://www.xoops.org/>                             //
//  ------------------------------------------------------------------------ //
//  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 2 of the License, or        //
//  (at your option) any later version.                                      //
//                                                                           //
//  You may not change or alter any portion of this comment or credits       //
//  of supporting developers from this source code or any supporting         //
//  source code which is considered copyrighted (c) material of the          //
//  original comment or credit authors.                                      //
//                                                                           //
//  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, write to the Free Software              //
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //
//  ------------------------------------------------------------------------ //
// Author: Kazumi Ono (AKA onokazu)                                          //
// URL: http://www.myweb.ne.jp/, http://www.xoops.org/, http://jp.xoops.org/ //
// Project: The XOOPS Project                                                //
// ------------------------------------------------------------------------- //

function xoops_module_system_update(&$module) {
    if ($module->getVar('version') == 100) {
        $result = $xoopsDB->query("SELECT t1.tpl_id FROM ".$xoopsDB->prefix('tplfile')." t1, ".$xoopsDB->prefix('tplfile')." t2 WHERE t1.tpl_module = t2.tpl_module AND t1.tpl_tplset=t2.tpl_tplset AND t1.tpl_file = t2.tpl_file AND t1.tpl_id > t2.tpl_id");

        $tplids = array();
        while (list($tplid) = $xoopsDB->fetchRow($result)) {
            $tplids[] = $tplid;
        }
        if (count($tplids) > 0) {
            $tplfile_handler =& xoops_gethandler('tplfile');
            $duplicate_files = $tplfile_handler->getObjects(new Criteria('tpl_id', "(".implode(',', $tplids).")", "IN"));

            if (count($duplicate_files) > 0) {
                foreach (array_keys($duplicate_files) as $i) {
                    $tplfile_handler->delete($duplicate_files[$i]);
                }
            }
        }
    }
    return true;
}

?>