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/**
* 时间差计算
*/
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' => 'year' , '个月' => 'month' , '周' => 'week' , '天' => 'day' ,
'小时' => 'hour' , '分钟' => 'minute' , '秒' => 'second'
);
foreach ( $unitArr as $cn => $u )
{
if ( $ $u > 0 )
{
$elapse = $ $u . $cn ;
break;
}
}
return $elapse ;
}
$past = 2052345678 ; // Some timestamp in the past
$now = time (); // Current timestamp
$diff = $now - $past ;
echo '发表于' . time2Units ( $diff ) . '前' ;
?>
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