板块和详情页板块随机主题，当前板块和详情页所属板块内的随机主题。仅限板块(不包含频道)和详情页，默认 bootstrap· 样式，自行修改。
<?php $arrlist = thread_tid_find_by_fid($fid, 1, 1000, FALSE);
if ($arrlist) {
$total = $forum['threads'] > 20 ? 20 : $forum['threads'];
$tidarr = $forum['threads'] > 20 ? array_rand($arrlist, $total) : array_keys($arrlist);
$arrlist = well_thread_find_asc($tidarr, $total);
}
?><?php if($arrlist){ ?><div class="shadow mt-3"> <div class="card-header bg-light"> <h3 class="h6 font-weight-bold my-0">
随机推荐 </h3> </div> <ul class="list-group list-group-flush"> <!-- 循环输出主题 开始 --> <?php foreach($arrlist as $_thread) { ?> <li class="list-group-item bg-white"> <h4 class="h6 my-0"> <!-- 主题链接 -->
<a href="<?php echo $_thread['url'];?>" class="d-block text-truncate" <?php echo (10==$_thread['type']?'rel="nofollow" target="_blank"':''); ?> title='<?php echo $_thread['subject'];?>' aria-label='<?php echo $_thread['subject'];?>'> <!-- 主题 --> <?php echo $_thread['subject'];?> </a> </h4> </li> <?php } ?> <!-- 循环输出主题 结束 --> </ul></div><?php } ?>
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