PHP time and date operations increase or decrease (date strtotime) plus one day plus one month

date_default_timezone_set( ‘PRC‘ );  //默认时区 //当前的时间增加5天 $date1 =  "2014-11-11" ; echo date ( ‘Y-m-d‘ , strtotime ( "$date1 +5 day" ));   //输出结果：2014-11-16 //相应地,要增加月,年,将day改成month或year即可 //+++ 今天、昨天、明天 、上一周、下一周 +++++++++ echo "今天:" , date ( "Y-m-d" ,time()), ";echo "昨天:",date("Y-m-d",strtotime("-1 day")), ";echo "明天:",date("Y-m-d",strtotime("+1 day")), ";echo "一周后:",date("Y-m-d",strtotime("+1 week")), ";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")), ";echo "下个星期四:",date("Y-m-d",strtotime("next Thursday")), ";echo "上个周一:".date("Y-m-d",strtotime("last Monday")).";echo "一个月前:".date("Y-m-d",strtotime("last month")).";echo "一个月后:".date("Y-m-d",strtotime("+1 month")).";echo "十年后:".date("Y-m-d",strtotime("+10 year")).";

PHP time and date operations increase or decrease (date strtotime) plus one day plus one month