php返回相对时间(如:20分钟前,3天前)的方法
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 }
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