php 时间差显示,适用于活动商品还剩下多少时间

//时间差 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 )

{

if($u=='second'){

$elapse .= $$u;

}else{

$elapse .= $$u . ':';

}
}

}
return $elapse;

}

//引用 foreach ($list as $key => $value) { //差多少时间结束拼单 $list[$key]['surplus_time'] = time2Units((int)$value['end_time']- (int)time()); }

如需做到实时显示，需要用到定时器

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