DedeV6/src/include/taglib/demotag.lib.php

<?php
if(!defined('DEDEINC')){
    exit("Request Error!");
}
/**
 * 这仅是一个演示标签
 *
 * @version        $Id: demotag.lib.php 1 9:29 2010年7月6日Z tianya $
 * @package        DedeCMS.Taglib
 * @copyright      Copyright (c) 2020, DedeBIZ.COM
 * @license        https://www.dedebiz.com/license
 * @link           https://www.dedebiz.com
 */
 

function lib_demotag(&$ctag,&$refObj)
{
    global $dsql,$envs;
    
    //属性处理
    $attlist="row|12,titlelen|24";
    FillAttsDefault($ctag->CAttribute->Items,$attlist);
    extract($ctag->CAttribute->Items, EXTR_SKIP);
    $revalue = '';
    
    //你需编写的代码，不能用echo之类语法，把最终返回值传给$revalue
    //------------------------------------------------------
    
    $revalue = 'Hello Word!';
    
    //------------------------------------------------------
    return $revalue;
}