PHP实现时间日期友好显示实现代码

<?php
 
 /**
  * =======================================
  * Created by Zhihua_W.
  * Author: Zhihua_W
  * Date: 2016/11/23 0001
  * Time: 下午 5:45
  * Project: PHP开发小技巧
  * Power: 实现日期时间友好显示
  * =======================================
  */
 
 /**
  * 日期时间友好显示
  * @param $time
  * @return bool|string
  */
 function friend_date($time)
 {
  if (!$time) {
   return false;
  }
  $fdate = '';
  $d = time() - intval($time);
  $ld = $time - mktime(0, 0, 0, 0, 0, date('Y')); //得出年
  $md = $time - mktime(0, 0, 0, date('m'), 0, date('Y')); //得出月
  $byd = $time - mktime(0, 0, 0, date('m'), date('d') - 2, date('Y')); //前天
  $yd = $time - mktime(0, 0, 0, date('m'), date('d') - 1, date('Y')); //昨天
  $dd = $time - mktime(0, 0, 0, date('m'), date('d'), date('Y')); //今天
  $td = $time - mktime(0, 0, 0, date('m'), date('d') + 1, date('Y')); //明天
  $atd = $time - mktime(0, 0, 0, date('m'), date('d') + 2, date('Y')); //后天
  if ($d == 0) {
   $fdate = '刚刚';
  } else {
   switch ($d) {
    case $d < $atd:
     $fdate = date('Y年m月d日', $time);
     break;
    case $d < $td:
     $fdate = '后天' . date('H:i', $time);
     break;
    case $d < 0:
     $fdate = '明天' . date('H:i', $time);
     break;
    case $d < 60:
     $fdate = $d . '秒前';
     break;
    case $d < 3600:
     $fdate = floor($d / 60) . '分钟前';
     break;
    case $d < $dd:
     $fdate = floor($d / 3600) . '小时前';
     break;
    case $d < $yd:
     $fdate = '昨天' . date('H:i', $time);
     break;
    case $d < $byd:
     $fdate = '前天' . date('H:i', $time);
     break;
    case $d < $md:
     $fdate = date('m月d日 H:i', $time);
     break;
    case $d < $ld:
     $fdate = date('m月d日', $time);
     break;
    default:
     $fdate = date('Y年m月d日', $time);
     break;
   }
  }
  return $fdate;
 }
 
 
 $time = 1442345132;
 echo friend_date($time);