1 function plural($num) {
2 if ($num != 1)
3 return "s";
4 }
5 function getRelativeTime($date) {
6 $diff = time() - strtotime($date);
7 if ($diff<60)
8 return $diff." 秒".plural($diff)." 前";
9 $diff = round($diff/60);
10 if ($diff<60)
11 return $diff." 分钟".plural($diff)." 前";
12 $diff = round($diff/60);
13 if ($diff<24)
14 return $diff." 小时".plural($diff)." 前";
15 $diff = round($diff/24);
16 if ($diff<7)
17 return $diff." 天".plural($diff)." 前";
18 $diff = round($diff/7);
19 if ($diff<4)
20 return $diff." 星期".plural($diff)." 前";
21 return "on ".date("F j, Y", strtotime($date));
22 }
