禁止织梦会员发布文章内容中带超链接修改教程

/** *  删除非站内链接 * * @access    public * @param     string  $body  内容 * @param     array  $allow_urls  允许的超链接 * @return    string */function Replace_links( &$body,$allow_urls=array()  ){    $host_rule = join('|',$allow_urls);    $host_rule = preg_replace("#[nr]#",'',$host_rule);    $host_rule = str_replace('.',".",$host_rule);    $host_rule = str_replace('/',"/",$host_rule);    $arr = '';    preg_match_all("#<a([^>]*)>(.*)</a>#iU",$body,$arr);    if( is_array($arr[0]) )    {        $rparr = array();        $tgarr = array();        foreach($arr[0] as $i=>$v)        {            if( $host_rule != '' && preg_match('#'.$host_rule.'#i',$arr[1][$i]) )            {                continue;            } else {                $rparr[] = $v;                $tgarr[] = $arr[2][$i];            }        }        if( !empty($rparr) )        {            $body = str_replace($rparr,$tgarr,$body);        }    }    $arr = $rparr = $tgarr = '';    return $body;}

//自动摘要

//删除非站内链接$allow_urls = array($_SERVER['http_HOST']);// 读取允许的超链接设置if(file_exists(DEDEDATA."/admin/allowurl.txt")){    $allow_urls = array_merge($allow_urls,file(DEDEDATA."/admin/allowurl.txt"));}$body = Replace_links($body,$allow_urls);