PHP計算時間差 顯示使用者發表評論時間

代碼如下

複製代碼

<?php /**  * 時間差計算  *  * @param Timestamp $time 時間差  * @return String Time Elapsed  * @author jakehu (http://www.111cn.net/)  */ function time2Units ($time) { $year   = floor($time / 60 / 60 / 24 / 365); $time  -= $year * 60 * 60 * 24 * 365; $month  = floor($time / 60 / 60 / 24 / 30); $time  -= $month * 60 * 60 * 24 * 30; $week   = floor($time / 60 / 60 / 24 / 7); $time  -= $week * 60 * 60 * 24 * 7; $day    = floor($time / 60 / 60 / 24); $time  -= $day * 60 * 60 * 24; $hour   = floor($time / 60 / 60); $time  -= $hour * 60 * 60; $minute = floor($time / 60); $time  -= $minute * 60; $second = $time; $elapse = '';   $unitArr = array('年前'  =>'year', '個月前'=>'month',  '周前'=>'week', '天前'=>'day', '小時前'=>'hour', '分鐘前'=>'minute', '秒前'=>'second' );   foreach ( $unitArr as $cn => $u ) { if ( $year > 0 ) {//大於一年顯示年月日 $elapse = date('Y/m/d',time()-$time); break; } else if ( $$u > 0 ) { $elapse = $$u . $cn; break; } }   return $elapse; }   $past = 1390000000; //起點時間 $diff = time() - $past;//時間差   echo '發表於' . time2Units($diff) . '前'; ?>