Dedecms实现某小时前/某天前发布的时间标签代码

/*  
* 动态时间显示功能
* 文章发布多少时间前
*/
function tranTime($time) {
    $rtime = date("m-d H:i", $time);
    $htime = date("H:i", $time);
    $time = time() - $time;
    if ($time < 60) {
        $str = '刚刚';
    }
    elseif ($time < 60 * 60) {
        $min = floor($time / 60);
        $str = $min . ' 分钟前';
    }
    elseif ($time < 60 * 60 * 24) {
        $h = floor($time / (60 * 60));
        $str = $h . ' 小时前 ';
    }
    elseif ($time < 60 * 60 * 24 * 3) {
        $d = floor($time / (60 * 60 * 24));
        if ($d == 1)
            $str = '昨天 ';
        else
            $str = '前天 ';
    }
    else {
        $str = $rtime;
    }
    return $str;
}