PHP关于日期加减计算的代码分享

<?php

date_default_timezone_set('PRC'); //默认时区

echo "今天:",date("Y-m-d",time()),"\n";

echo "今天:",date("Y-m-d",strtotime("18 june 2008")),"\n";

echo "昨天:",date("Y-m-d",strtotime("-1 day")),"\n";

echo "明天:",date("Y-m-d",strtotime("+1 day")),"\n";

echo "一周后:",date("Y-m-d",strtotime("+1 week")),"\n";

echo "一周零两天四小时两秒后:",date("Y-m-d G:H:s",strtotime("+1 week 2 days 4 hours 2 seconds")), "\n";

echo "下个星期四:",date("Y-m-d",strtotime("next Thursday")),"\n";

echo "上个周一:".date("Y-m-d",strtotime("last Monday"))."\n";

echo "一个月前:".date("Y-m-d",strtotime("last month"))."\n";

echo "一个月后:".date("Y-m-d",strtotime("+1 month"))."\n";

echo "十年后:".date("Y-m-d",strtotime("+10 year"))."\n";

?>

今天:2017-11-06

今天:2008-06-18

昨天:2017-11-05

明天:2017-11-07

一周后:2017-11-13

一周零两天四小时两秒后:2017-11-15 22:22:42

下个星期四:2017-11-09

上个周一:2017-10-30

一个月前:2017-10-06

一个月后:2017-12-06

十年后:2027-11-06