<style>
.width {width: 100%;}
.height1 {line-height: 34px;
    height: 34px;
    overflow: hidden;
    text-overflow: ellipsis;}
</style>

<?php
function get_site_new_user($num=16){$userlist =cache_get('get_site_new_user');if(empty($userlist)){$userlist =db_find('user',array(),array('uid'=>-1),1,$num,'uid');foreach ($userlist as &$user) {$username =$user['username'];xn_strlen($username)>4 &&$username =xn_substr($username,0,4);$user['dname'] =$username;}
cache_set('get_site_new_user',$userlist,86400);}
return $userlist;}
?>
<div class="card">
    <div class="card-header">
        <div class="d-flex justify-content-between">
            <div>
                <i class="icon-user mr-2"></i>欢迎新用户
            </div>
            <ul class="list-inline mb-0">
                <li class="text-small list-inline-item border-right pr-2" data-toggle="tooltip" data-placement="top" title="" data-original-title="主题">
                    <i class="far fa-comment-alt text-muted"></i> <span class="text-muted ">注册会员</span> <span class="badge badge-primary badge-pill"> <?php echo $runtime['users'];?></span> 人
                </li>当前 <font color="#ff0000"><?php echo $runtime['onlines'];?></font> 人在线
	        </ul>
        </div>
    </div>
    <div class="card-body">
        <ul class="list-unstyled width height1">
            <?php 
        		$nIndex = 0;
        		$userlist = get_site_new_user();
                foreach ($userlist as $user) {
        			if(++$nIndex>16)break;
        			$user_avatarimg = 'view/img/avatar.png';
        			$user['avatar']!=0 && $user_avatarimg = $conf['upload_url'].'avatar/000/'.$user['uid'].'.png?'.$user['avatar'];
        			if($cdn_enable)$user_avatarimg = $theme_plugin['cdn_url'].$user_avatarimg;
                ?>
                <li style="float: left;margin-right:10px;" data-toggle="tooltip" title="" data-original-title="<?php echo $user['dname'];?>">
                    <a class="tt" href="<?php echo url("user-$user[uid]");?>"
    				data-toggle="tooltip" title="<?php echo $user['dname'];?>">
                        <img src="<?php echo $user_avatarimg; ?>" class="avatar-3" alt="<?php echo $user['dname'];?>">
                    </a>
                </li>
            <?php } ?>
        </ul>
    </div>
</div>

备注：用户名默认显示4位，如显示完全可用 $user['username']  替换掉 $user['dname']