常用PHP函數系列八:計算兩個時間戳之間的日期(常用於倒計時計算時間)

/**計算兩個時間錯之間的日期
 * @param $begin_time
 * @param $end_time
 * @return array
 */
function timediff($begin_time, $end_time)
{
    if ($begin_time < $end_time) {
        $starttime = $begin_time;
        $endtime = $end_time;
    } else {
        $starttime = $end_time;
        $endtime = $begin_time;
    }

//計算天數
    $timediff = $endtime - $starttime;
    $days = intval($timediff / 86400);
//計算小時數
    $remain = $timediff % 86400;
    $hours = intval($remain / 3600);
//計算分鐘數
    $remain = $remain % 3600;
    $mins = intval($remain / 60);
//計算秒數
    $secs = $remain % 60;
    $res = array("day" => $days, "hour" => $hours, "min" => $mins, "sec" => $secs);
    return $res;
}