PHP计算时间差 显示用户发表评论时间

作者：袖梨 2022-06-24
 代码如下 复制代码
/**
 * 时间差计算
 *
 * @param Timestamp $time 时间差
 * @return String Time Elapsed
 * @author jakehu (http://www.111com.net/)
 */
function time2Units ($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', '个月前'=>'month',  '周前'=>'week', '天前'=>'day',
'小时前'=>'hour', '分钟前'=>'minute', '秒前'=>'second'
);
 
foreach ( $unitArr as $cn => $u )
{
if ( $year > 0 ) {//大于一年显示年月日
$elapse = date('Y/m/d',time()-$time);
break;
}
else if ( $$u > 0 )
{
$elapse = $$u . $cn;
break;
}
}
 
return $elapse;
}
 
$past = 1390000000; //起点时间
$diff = time() - $past;//时间差
 
echo '发表于' . time2Units($diff) . '前';
?>

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