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<?php
   
 /**
    
 时间差计算
    
 *
    
 @param Timestamp $time
    
 *
    
 @return String Time Elapsed
    
 *
    
 @author Shelley Shyan
    
 *
    
 @copyright http://phparch.cn (Professional PHP Architecture)
    
 */
    
functiontime2Units($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 = '';        // 定义时间单位数组    $unitArr = array(        '年' => 'year',        '个月' => 'month',        '周' => 'week',        '天' => 'day',        '小时' => 'hour',        '分钟' => 'minute',        '秒' => 'second'    );        // 循环计算各时间单位并累加    foreach ($unitArr as $cn => $u) {        if ($u > 0) {            $elapse .= "$u $cn ";            break;        }    }        return $elapse;}
    
    
    
    
    
$past = 2052345678;// 某个过去的时间戳$now = time();// 当前时间戳$diff = $now - $past;$diff = abs($diff);
    
    
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