<table class="small nav_tag_list">
    <?php if(!empty($forum['tagcatelist'])) {foreach($forum['tagcatelist'] as $i=>$tagcate) { ?>
    <tr>
        <td class="text-muted text-nowrap" align="right" valign="top">
            <?php echo $tagcate['name'];?>：
        </td>
        <td>
            <?php
                $tagidadd = '';
                $tagactive = '';
                switch ($i) {
                    case 0: $tagidadd = "0_{$tagid2}_{$tagid3}_{$tagid4}";
                        $tagactive = 0 == $tagid1 ? ' class="active"' : '';
                        break;
                    case 1: $tagidadd = "{$tagid1}_0_{$tagid3}_{$tagid4}";
                        $tagactive = 0 == $tagid2 ? ' class="active"' : '';
                        break;
                    case 2: $tagidadd = "{$tagid1}_{$tagid2}_0_{$tagid4}";
                        $tagactive = 0 == $tagid3 ? ' class="active"' : '';
                        break;
                    case 3: $tagidadd = "{$tagid1}_{$tagid2}_{$tagid3}_0";
                        $tagactive = 0 == $tagid4 ? ' class="active"' : '';
                        break;
                }
            ?>
            <a href="<?php echo url("forum-$fid-1", array('tagids'=>$tagidadd));?>"
                <?php echo $tagactive;?>><?php echo lang('all');?></a>
            <?php foreach($tagcate['taglist'] as $tag) { ?>
            <?php 
                switch ($i) {
                    case 0: 
                        $tagidadd = "{$tag['tagid']}_{$tagid2}_{$tagid3}_{$tagid4}";
                        $tagactive = $tag['tagid'] == $tagid1 ? ' class="active"' : '';
                        break;
                    case 1: $tagidadd = "{$tagid1}_{$tag['tagid']}_{$tagid3}_{$tagid4}";
                        $tagactive = $tag['tagid'] == $tagid2 ? ' class="active"' : '';
                        break;
                    case 2: $tagidadd = "{$tagid1}_{$tagid2}_{$tag['tagid']}_{$tagid4}";
                        $tagactive = $tag['tagid'] == $tagid3 ? ' class="active"' : '';
                        break;
                    case 3: $tagidadd = "{$tagid1}_{$tagid2}_{$tagid3}_{$tag['tagid']}";
                        $tagactive = $tag['tagid'] == $tagid4 ? ' class="active"' : '';
                        break;
                }
            ?>
            <!-- 优化排序维持 -->
            <?php $lastpid = "&orderby=lastpid&digest=0"; $tid = "&orderby=tid&digest=0";?>
            <?php if($orderby == 'tid'){?>
            <a href="<?php echo url("forum-$fid-1", array('tagids'=>$tagidadd)).$tid;?>"
                <?php echo $tagactive;?>><?php echo $tag['name'];?></a>
            <?php }else{?>
            <a href="<?php echo url("forum-$fid-1", array('tagids'=>$tagidadd)).$lastpid;?>"
                <?php echo $tagactive;?>><?php echo $tag['name'];?></a>
            <?php }?>
            <?php } ?>
        </td>
    </tr>
    <?php }} ?>
</table>