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

<?php if (!defined('DEDEINC')) exit('Request Error!');
/**
 * 文章列表调用标记
 *
 * 9:19 2010年7月13日:修正对isweight属性的支持
 *
 * @version        $Id: arclist.lib.php 3 9:19 2010年7月13日Z tianya $
 * @package        DedeBIZ.Taglib
 * @copyright      Copyright (c) 2021, DedeBIZ.COM
 * @license        https://www.dedebiz.com/license
 * @link           https://www.dedebiz.com
 */

/**
 *  arclist解析标签
 *
 * @access    public
 * @param     object  $ctag  解析标签
 * @param     object  $refObj  引用对象
 * @return    string  成功后返回解析后的标签内容
 */

function lib_arclist(&$ctag, &$refObj)
{
    global $envs;

    $autopartid = 0;
    $tagid = '';
    $tagname = $ctag->GetTagName();
    $channelid = $ctag->GetAtt('channelid');

    //增加对分页内容的处理
    $pagesize = $ctag->GetAtt('pagesize');
    if ($pagesize == '') {
        $multi = 0;
    } else {
        $tagid = $ctag->GetAtt('tagid');
    }
    // arclist是否需要weight排序,默认为"N",如果需要排序则设置为"Y"
    $isweight = $ctag->GetAtt('isweight');

    if ($tagname == 'imglist' || $tagname == 'imginfolist') {
        $listtype = 'image';
    } else if ($tagname == 'specart') {
        $channelid = -1;
        $listtype = '';
    } else if ($tagname == 'coolart') {
        $listtype = 'commend';
    } else if ($tagname == 'autolist') {
        $autopartid = $ctag->GetAtt('partsort');
    } else {
        $listtype = $ctag->GetAtt('type');
    }

    //排序
    if ($ctag->GetAtt('sort') != '') $orderby = $ctag->GetAtt('sort');
    else if ($tagname == 'hotart') $orderby = 'click';
    else $orderby = $ctag->GetAtt('orderby');

    //对相应的标记使用不同的默认innertext
    if (trim($ctag->GetInnerText()) != '') $innertext = $ctag->GetInnerText();
    else if ($tagname == 'imglist') $innertext = GetSysTemplets('part_imglist.htm');
    else if ($tagname == 'imginfolist') $innertext = GetSysTemplets('part_imginfolist.htm');
    else $innertext = GetSysTemplets("part_arclist.htm");

    //兼容titlelength
    if ($ctag->GetAtt('titlelength') != '') $titlelen = $ctag->GetAtt('titlelength');
    else $titlelen = $ctag->GetAtt('titlelen');

    //兼容infolength
    if ($ctag->GetAtt('infolength') != '') $infolen = $ctag->GetAtt('infolength');
    else $infolen = $ctag->GetAtt('infolen');

    $typeid = trim($ctag->GetAtt('typeid'));
    if (empty($typeid)) {
        $typeid = (isset($refObj->Fields['typeid']) ? $refObj->Fields['typeid'] : $envs['typeid']);
    }

    if ($listtype == 'autolist') {
        $typeid = lib_GetAutoChannelID($ctag->GetAtt('partsort'), $typeid);
    }

    if ($ctag->GetAtt('att') == '') {
        $flag = $ctag->GetAtt('flag');
    } else {
        $flag = $ctag->GetAtt('att');
    }

    return lib_arclistDone(
        $refObj,
        $ctag,
        $typeid,
        $ctag->GetAtt('row'),
        $ctag->GetAtt('col'),
        $titlelen,
        $infolen,
        $ctag->GetAtt('imgwidth'),
        $ctag->GetAtt('imgheight'),
        $listtype,
        $orderby,
        $ctag->GetAtt('keyword'),
        $innertext,
        $envs['aid'],
        $ctag->GetAtt('idlist'),
        $channelid,
        $ctag->GetAtt('limit'),
        $flag,
        $ctag->GetAtt('orderway'),
        $ctag->GetAtt('subday'),
        $ctag->GetAtt('noflag'),
        $tagid,
        $pagesize,
        $isweight
    );
}

/**
 *  arclist解析函数
 *
 * @access    public
 * @param     object  $refObj  引用对象
 * @param     object  $ctag  标签
 * @param     int  $typeid  栏目ID
 * @param     int  $row  调用行数
 * @param     int  $titlelen  字符串长度
 * @param     int  $infolen  描述信息长度
 * @param     int  $imgwidth  图片宽度
 * @param     int  $imgheight  图片高度
 * @param     string  $listtype  列表类型
 * @param     string  $orderby  排列顺序
 * @param     string  $keyword  关键词
 * @param     string  $innertext  底层模板
 * @param     int  $arcid  文档ID
 * @param     string  $idlist  ID列表
 * @param     int  $channelid  频道ID
 * @param     string  $limit  限制
 * @param     string  $att  属性
 * @param     string  $order  排序类型
 * @param     int  $subday  天内
 * @param     string  $noflag  属性标记
 * @param     string  $tagid  标签id
 * @param     string  $pagesize  显示条数
 * @param     string  $isweight  是否需要对检索出来的内容按照weight排序
 * @return    string
 */
function lib_arclistDone(
    &$refObj,
    &$ctag,
    $typeid = 0,
    $row = 10,
    $col = 1,
    $titlelen = 30,
    $infolen = 160,
    $imgwidth = 120,
    $imgheight = 90,
    $listtype = 'all',
    $orderby = 'default',
    $keyword = '',
    $innertext = '',
    $arcid = 0,
    $idlist = '',
    $channelid = 0,
    $limit = '',
    $att = '',
    $order = 'desc',
    $subday = 0,
    $noflag = '',
    $tagid = '',
    $pagesize = 0,
    $isweight = 'N'
) {
    global $dsql, $PubFields, $cfg_keyword_like, $cfg_index_cache, $_arclistEnv, $envs, $cfg_cache_type, $cfg_digg_update;
    $row = AttDef($row, 10);
    $titlelen = AttDef($titlelen, 30);
    $infolen = AttDef($infolen, 160);
    $imgwidth = AttDef($imgwidth, 120);
    $imgheight = AttDef($imgheight, 120);
    $listtype = AttDef($listtype, 'all');
    $arcid = AttDef($arcid, 0);
    $channelid = AttDef($channelid, 0);
    $orderby = AttDef($orderby, 'default');
    $orderWay = AttDef($order, 'desc');
    $subday = AttDef($subday, 0);
    $pagesize = AttDef($pagesize, 0);
    $line = $row;
    $orderby = strtolower($orderby);
    $keyword = trim($keyword);
    $innertext = trim($innertext);

    $tablewidth = $ctag->GetAtt('tablewidth');
    $writer = $ctag->GetAtt('writer');
    if ($tablewidth == "") $tablewidth = 100;
    if (empty($col)) $col = 1;
    $colWidth = ceil(100 / $col);
    $tablewidth = $tablewidth . "%";
    $colWidth = $colWidth . "%";

    //记录属性,以便分页样式统一调用
    $attarray = compact(
        "row",
        "titlelen",
        'infolen',
        'imgwidth',
        'imgheight',
        'listtype',
        'arcid',
        'channelid',
        'orderby',
        'orderWay',
        'subday',
        'pagesize',
        'orderby',
        'keyword',
        'tablewidth',
        'col',
        'colWidth'
    );

    if ($innertext == '') $innertext = GetSysTemplets('part_arclist.htm');
    if (@$ctag->GetAtt('getall') == 1) $getall = 1;
    else $getall = 0;

    if ($att == '0') $att = '';
    if ($att == '3') $att = 'f';
    if ($att == '1') $att = 'h';

    $orwheres = array();
    $maintable = '#@__archives';
    //按不同情况设定SQL条件 排序方式
    if ($idlist == '') {
        if ($orderby == 'near' && $cfg_keyword_like == 'N') {
            $keyword = '';
        }

        if ($writer == 'this') {
            $wmid =  isset($refObj->Fields['mid']) ? $refObj->Fields['mid'] : 0;
            $orwheres[] = " arc.mid = '$wmid' ";
        }

        //时间限制(用于调用最近热门文章、热门评论之类)，这里的时间只能计算到天，否则缓存功能将无效
        if ($subday > 0) {
            $ntime = gmmktime(0, 0, 0, gmdate('m'), gmdate('d'), gmdate('Y'));
            $limitday = $ntime - ($subday * 24 * 3600);
            $orwheres[] = " arc.senddate > $limitday ";
        }
        //关键字条件
        if ($keyword != '') {
            $keyword = str_replace(',', '|', $keyword);
            $orwheres[] = " CONCAT(arc.title,arc.keywords) REGEXP '$keyword' ";
        }
        //文档属性
        if (preg_match('/commend/i', $listtype)) $orwheres[] = " FIND_IN_SET('c', arc.flag)>0  ";
        if (preg_match('/image/i', $listtype)) $orwheres[] = " FIND_IN_SET('p', arc.flag)>0  ";
        if ($att != '') {
            $flags = explode(',', $att);
            for ($i = 0; isset($flags[$i]); $i++) $orwheres[] = " FIND_IN_SET('{$flags[$i]}', arc.flag)>0 ";
        }

        if (!empty($typeid) && $typeid != 'top') {
            //指定了多个栏目时，不再获取子类的id
            if (preg_match('#,#', $typeid)) {
                //指定了getall属性或主页模板例外
                if ($getall == 1 || empty($refObj->Fields['typeid'])) {
                    $typeids = explode(',', $typeid);
                    foreach ($typeids as $ttid) {
                        $typeidss[] = GetSonIds($ttid);
                    }
                    $typeidStr = join(',', $typeidss);
                    $typeidss = explode(',', $typeidStr);
                    $typeidssok = array_unique($typeidss);
                    $typeid = join(',', $typeidssok);
                }
                $orwheres[] = " arc.typeid IN ($typeid) ";
            } else {
                //处理交叉栏目
                $CrossID = '';
                if ($ctag->GetAtt('cross') == '1') {
                    $arr = $dsql->GetOne("SELECT `id`,`topid`,`cross`,`crossid`,`ispart`,`typename` FROM `#@__arctype` WHERE id='$typeid' ");
                    if ($arr['cross'] == 0 || ($arr['cross'] == 2 && trim($arr['crossid'] == ''))) {
                        $orwheres[] = ' arc.typeid IN (' . GetSonIds($typeid) . ')';
                    } else {
                        $selquery = '';
                        if ($arr['cross'] == 1) {
                            $selquery = "SELECT id,topid FROM `#@__arctype` WHERE typename LIKE '{$arr['typename']}' AND id<>'{$typeid}' AND topid<>'{$typeid}'  ";
                        } else {
                            $arr['crossid'] = preg_replace('#[^0-9,]#', '', trim($arr['crossid']));
                            if ($arr['crossid'] != '') $selquery = "SELECT id,topid FROM `#@__arctype` WHERE id IN('{$arr['crossid']}') AND id<>'{$typeid}' AND topid<>'{$typeid}'  ";
                        }
                        if ($selquery != '') {
                            $dsql->SetQuery($selquery);
                            $dsql->Execute();
                            while ($arr = $dsql->GetArray()) {
                                $CrossID .= ($CrossID == '' ? $arr['id'] : ',' . $arr['id']);
                            }
                        }
                    }
                }
                if ($CrossID == '') $orwheres[] = ' arc.typeid IN (' . GetSonIds($typeid) . ')';
                else $orwheres[] = ' arc.typeid IN (' . GetSonIds($typeid) . ',' . $CrossID . ')';
            }
        }

        //频道ID
        if (preg_match('#spec#i', $listtype)) $channelid == -1;

        if (!empty($channelid)) $orwheres[] = " And arc.channel = '$channelid' ";

        if (!empty($noflag)) {
            if (!preg_match('#,#', $noflag)) {
                $orwheres[] = " FIND_IN_SET('$noflag', arc.flag)<1 ";
            } else {
                $noflags = explode(',', $noflag);
                foreach ($noflags as $noflag) {
                    if (trim($noflag) == '') continue;
                    $orwheres[] = " FIND_IN_SET('$noflag', arc.flag)<1 ";
                }
            }
        }

        $orwheres[] = ' arc.arcrank > -1 ';

        //由于这个条件会导致缓存功能失去意义，因此取消
        //if($arcid!=0) $orwheres[] = " arc.id<>'$arcid' ";
    }

    //文档排序的方式
    $ordersql = '';
    if ($orderby == 'hot' || $orderby == 'click') $ordersql = " ORDER BY arc.click $orderWay";
    else if ($orderby == 'sortrank' || $orderby == 'pubdate') $ordersql = " ORDER BY arc.sortrank $orderWay";
    else if ($orderby == 'id') $ordersql = "  ORDER BY arc.id $orderWay";
    else if ($orderby == 'near') $ordersql = " ORDER BY ABS(arc.id - " . $arcid . ")";
    else if ($orderby == 'lastpost') $ordersql = "  ORDER BY arc.lastpost $orderWay";
    else if ($orderby == 'scores') $ordersql = "  ORDER BY arc.scores $orderWay";
    //功能：增加按好评数和差评数调用
    else if ($orderby == 'goodpost') $ordersql = " order by arc.goodpost $orderWay";
    else if ($orderby == 'badpost') $ordersql = " order by arc.badpost $orderWay";
    else if ($orderby == 'rand') $ordersql = "  ORDER BY rand()";
    else $ordersql = " ORDER BY arc.sortrank $orderWay";

    //limit条件
    $limit = trim(preg_replace('#limit#is', '', $limit));
    if ($limit != '') {
        $limitsql = " LIMIT $limit ";
        $limitarr = explode(',', $limit);
        $line = isset($limitarr[1]) ? $limitarr[1] : $line;
    } else $limitsql = " LIMIT 0,$line ";

    $orwhere = '';
    if (isset($orwheres[0])) {
        $orwhere = join(' And ', $orwheres);
        $orwhere = preg_replace("#^ And#is", '', $orwhere);
        $orwhere = preg_replace("#And[ ]{1,}And#is", 'And ', $orwhere);
    }
    if ($orwhere != '') $orwhere = " WHERE $orwhere ";

    //获取附加表信息
    $addfield = trim($ctag->GetAtt('addfields'));
    $addfieldsSql = '';
    $addfieldsSqlJoin = '';
    if ($addfield != '' && !empty($channelid)) {
        $row = $dsql->GetOne("SELECT addtable FROM `#@__channeltype` WHERE id='$channelid' ");
        if (isset($row['addtable']) && trim($row['addtable']) != '') {
            $addtable = trim($row['addtable']);
            $addfields = explode(',', $addfield);
            $row['addtable'] = trim($row['addtable']);
            $addfieldsSql = ",addf." . join(',addf.', $addfields);
            $addfieldsSqlJoin = " LEFT JOIN `$addtable` addf ON addf.aid = arc.id ";
        }
    }

    $query = "SELECT arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule,
        tp.namerule2,tp.ispart,tp.moresite,tp.siteurl,tp.sitepath
        $addfieldsSql
        FROM `$maintable` arc LEFT JOIN `#@__arctype` tp on arc.typeid=tp.id
        $addfieldsSqlJoin
        $orwhere $ordersql $limitsql";

    //统一hash
    $taghash = md5(serialize($ctag) . $typeid);
    $needSaveCache = true;
    //进行tagid的默认处理
    if ($pagesize > 0) $tagid = AttDef($tagid, 'tag' . $taghash);

    if ($idlist != '' || $GLOBALS['_arclistEnv'] == 'index' || $cfg_index_cache == 0) {
        $needSaveCache = false;
    } else {
        $idlist = GetArclistCache($taghash);
        if ($idlist != '') {
            $needSaveCache = false;
        }
        //如果使用的是内容缓存，直接返回结果
        if ($cfg_cache_type == 'content' && $idlist != '') {
            $idlist = ($idlist == 0 ? '' : $idlist);
            return $idlist;
        }
    }

    //指定了id或使用缓存中的id
    if ($idlist != '') {
        $query = "SELECT arc.*,tp.typedir,tp.typename,tp.corank,tp.isdefault,tp.defaultname,tp.namerule,tp.namerule2,tp.ispart,
            tp.moresite,tp.siteurl,tp.sitepath
            $addfieldsSql
             FROM `$maintable` arc left join `#@__arctype` tp on arc.typeid=tp.id
             $addfieldsSqlJoin
          WHERE arc.id in($idlist) $ordersql ";
    }

    $dsql->SetQuery($query);
    $dsql->Execute('al');
    //$row = $dsql->GetArray("al");
    $artlist = '';
    if ($pagesize > 0)  $artlist .= "    <div id='{$tagid}'>\r\n";
    if ($col > 1) $artlist = "<table width='$tablewidth' border='0' cellspacing='0' cellpadding='0'>\r\n";
    $dtp2 = new DedeTagParse();
    $dtp2->SetNameSpace('field', '[', ']');
    $dtp2->LoadString($innertext);
    $GLOBALS['autoindex'] = 0;
    $ids = array();
    $orderWeight = array();

    for ($i = 0; $i < $line; $i++) {
        if ($col > 1) $artlist .= "<tr>\r\n";
        for ($j = 0; $j < $col; $j++) {
            if ($col > 1) $artlist .= "    <td width='$colWidth'>\r\n";
            if ($row = $dsql->GetArray("al")) {
                $ids[] = $row['id'];
                //处理一些特殊字段
                $row['info'] = $row['infos'] = cn_substr($row['description'], $infolen);
                $row['id'] =  $row['id'];

                if ($row['corank'] > 0 && $row['arcrank'] == 0) {
                    $row['arcrank'] = $row['corank'];
                }

                $row['filename'] = $row['arcurl'] = GetFileUrl(
                    $row['id'],
                    $row['typeid'],
                    $row['senddate'],
                    $row['title'],
                    $row['ismake'],
                    $row['arcrank'],
                    $row['namerule'],
                    $row['typedir'],
                    $row['money'],
                    $row['filename'],
                    $row['moresite'],
                    $row['siteurl'],
                    $row['sitepath']
                );

                $row['typeurl'] = GetTypeUrl(
                    $row['typeid'],
                    $row['typedir'],
                    $row['isdefault'],
                    $row['defaultname'],
                    $row['ispart'],
                    $row['namerule2'],
                    $row['moresite'],
                    $row['siteurl'],
                    $row['sitepath']
                );

                if ($row['litpic'] == '-' || $row['litpic'] == '') {
                    $row['litpic'] = $GLOBALS['cfg_cmspath'] . '/static/defaultpic.gif';
                }
                if (!preg_match("#^http:\/\/#i", $row['litpic']) && $GLOBALS['cfg_multi_site'] == 'Y') {
                    $row['litpic'] = $GLOBALS['cfg_mainsite'] . $row['litpic'];
                }
                $row['picname'] = $row['litpic'];
                $row['stime'] = GetDateMK($row['pubdate']);
                $row['typelink'] = "<a href='" . $row['typeurl'] . "'>" . $row['typename'] . "</a>";
                $row['image'] = "<img src='" . $row['picname'] . "' border='0' width='$imgwidth' height='$imgheight' alt='" . preg_replace("#['><]#", "", $row['title']) . "'>";
                $row['imglink'] = "<a href='" . $row['filename'] . "'>" . $row['image'] . "</a>";
                $row['fulltitle'] = $row['title'];
                $row['title'] = cn_substr($row['title'], $titlelen);
                if ($row['color'] != '') $row['title'] = "<font color='" . $row['color'] . "'>" . $row['title'] . "</font>";
                if (preg_match('#b#', $row['flag'])) $row['title'] = "<strong>" . $row['title'] . "</strong>";
                //$row['title'] = "<b>".$row['title']."</b>";
                $row['textlink'] = "<a href='" . $row['filename'] . "'>" . $row['title'] . "</a>";

                $row['plusurl'] = $row['phpurl'] = $GLOBALS['cfg_phpurl'];
                $row['memberurl'] = $GLOBALS['cfg_memberurl'];
                $row['templeturl'] = $GLOBALS['cfg_templeturl'];

                if (is_array($dtp2->CTags)) {
                    foreach ($dtp2->CTags as $k => $ctag) {
                        if ($ctag->GetName() == 'array') {
                            //传递整个数组，在runphp模式中有特殊作用
                            $dtp2->Assign($k, $row);
                        } else {
                            if (isset($row[$ctag->GetName()])) $dtp2->Assign($k, $row[$ctag->GetName()]);
                            else $dtp2->Assign($k, '');
                        }
                    }
                    $GLOBALS['autoindex']++;
                }
                if ($pagesize > 0) {
                    if ($GLOBALS['autoindex'] <= $pagesize) {
                        $liststr = $dtp2->GetResult();
                        $artlist .= $liststr . "\r\n";
                    } else {
                        $artlist .= "";
                        $orderWeight[] = array(
                            'weight'  => $row['weight'],
                            'arclist' => ''
                        );
                    }
                } else {
                    $liststr = $dtp2->GetResult();
                    $artlist .= $liststr . "\r\n";
                }
                $orderWeight[] = array(
                    'weight'  => $row['weight'],
                    'arclist' => $liststr
                );
            } //if hasRow
            else {
                $artlist .= '';
            }

            // 进行判断,如果启用排序则内容输出为重新排序后的内容
            // var_dump($isweight=='y' && count($orderWeight) == $line);
            $isweight = strtolower($isweight);
            if ($isweight == 'y') {
                $artlist = '';
                $orderWeight = list_sort_by($orderWeight, 'weight', 'asc');

                foreach ($orderWeight as $vv) {
                    $artlist .= $vv['arclist'];
                }
            }
            if ($col > 1) $artlist .= "    </td>\r\n";
        } //Loop Col
        if ($col > 1) $i += $col - 1;
        if ($col > 1) $artlist .= "    </tr>\r\n";
    } //loop line
    if ($col > 1) $artlist .= "    </table>\r\n";
    $dsql->FreeResult("al");
    $idsstr = join(',', $ids);

    //分页特殊处理
    if ($pagesize > 0) {
        $artlist .= "    </div>\r\n";
        $row = $dsql->GetOne("SELECT tagid FROM `#@__arcmulti` WHERE tagid='$tagid'");
        $uptime = time();
        $attstr = addslashes(serialize($attarray));
        $innertext = addslashes($innertext);
        if (!is_array($row)) {
            $query = "INSERT INTO `#@__arcmulti`(tagid,uptime,innertext,pagesize,arcids,ordersql,addfieldsSql,addfieldsSqlJoin,attstr)
          VALUES('$tagid','$uptime','$innertext','$pagesize','$idsstr','$ordersql','$addfieldsSql','$addfieldsSqlJoin','$attstr');
        ";
            $dsql->ExecuteNoneQuery($query);
        } else {
            $query = "UPDATE `#@__arcmulti`
           SET
           uptime='$uptime',
           innertext='$innertext',
           pagesize='$pagesize',
           arcids='$idsstr',
           ordersql='$ordersql',
           addfieldsSql='$addfieldsSql',
           addfieldsSqlJoin='$addfieldsSqlJoin',
           attstr='$attstr'
           WHERE tagid='$tagid'
        ";
            $dsql->ExecuteNoneQuery($query);
        }
    }

    //保存ID缓存
    if ($needSaveCache) {
        if ($idsstr == '') $idsstr = '0';
        if ($cfg_cache_type == 'content' && $idsstr != '0') {
            $idsstr = addslashes($artlist);
        }
        $inquery = "INSERT INTO `#@__arccache`(`md5hash`,`uptime`,`cachedata`) VALUES ('" . $taghash . "','" . time() . "', '$idsstr'); ";
        $dsql->ExecuteNoneQuery("DELETE FROM `#@__arccache` WHERE md5hash='" . $taghash . "' ");
        $dsql->ExecuteNoneQuery($inquery);
    }
    return $artlist;
}

/**
 *  查询缓存
 *
 * @access    public
 * @param     string  $md5hash  唯一识别hash
 * @return    string
 */
function GetArclistCache($md5hash)
{
    global $dsql, $envs, $cfg_makesign_cache, $cfg_index_cache, $cfg_cache_type;
    if ($cfg_index_cache <= 0) return '';
    if (isset($envs['makesign']) && $cfg_makesign_cache == 'N') return '';
    $mintime = time() - $cfg_index_cache;
    $arr = $dsql->GetOne("SELECT cachedata,uptime FROM `#@__arccache` WHERE md5hash = '$md5hash' ");
    if (!is_array($arr)) {
        return '';
    } else if ($arr['uptime'] < $mintime) {
        return '';
    } else {
        return $arr['cachedata'];
    }
}

/**
 *  获取自动频道ID
 *
 * @access    public
 * @param     string  $sortid 
 * @param     string  $topid
 * @return    string
 */
function lib_GetAutoChannelID($sortid, $topid)
{
    global $dsql;
    if (empty($sortid)) $sortid = 1;
    $getstart = $sortid - 1;
    $row = $dsql->GetOne("SELECT id,typename FROM `#@__arctype` WHERE reid='{$topid}' And ispart<2 And ishidden<>'1' ORDER BY sortrank asc limit $getstart,1");
    if (!is_array($row)) return 0;
    else return $row['id'];
}

/**
 *  对查询结果集进行排序
 *
 * @access    public
 * @param     array     $list 查询结果
 * @param     string    $field 排序的字段名
 * @param     array     $sortby 排序类型
 *            asc正向排序 desc逆向排序 nat自然排序
 * @return    array
 */
function list_sort_by($list, $field, $sortby = 'asc')
{
    if (is_array($list)) {
        $refer = $resultSet = array();
        foreach ($list as $i => $data)
            $refer[$i] = &$data[$field];
        switch ($sortby) {
            case 'asc': // 正向排序
                asort($refer);
                break;
            case 'desc': // 逆向排序
                arsort($refer);
                break;
            case 'nat': // 自然排序
                natcasesort($refer);
                break;
        }
        foreach ($refer as $key => $val)
            $resultSet[] = &$list[$key];
        return $resultSet;
    }
    return false;
}