pHP获取今天、昨天、明天的日期

echo "今天:".date("Y-m-d")."
";      

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"))."
";     

?>