PHP时间日期操作增减(date strtotime) 加一天

• 今天、昨天、明天 、上一周、下一周

echo
"今天:",date("Y-m-d",time()),"<hr>";

echo
"昨天:",date("Y-m-d",strtotime("-1 day")), "<hr>";

echo
"明天:",date("Y-m-d",strtotime("+1 day")), "<hr>";

echo
"一周后:",date("Y-m-d",strtotime("+1 week")), "<hr>";

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")), "<hr>";

echo
"下个星期四:",date("Y-m-d",strtotime("next Thursday")), "<hr>";

echo
"上个周一:".date("Y-m-d",strtotime("last Monday"))."<hr>";

echo
"一个月前:".date("Y-m-d",strtotime("last month"))."<hr>";

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

echo
"十年后:".date("Y-m-d",strtotime("+10 year"))."<hr>";