PHP时间戳代码 上周一等

$week_this_monday =strtotime('last Monday'); //本周一$tomorrow =strtotime("+1 day");//明天$week_last_monday = strtotime('last Monday') - 3600 * 24 * 7; //上周一$week_last_sunday =strtotime('last Monday')- 3600 * 24 ; //上周日$ptime=date("Y-m-d",$week_last_sunday);//转换一下echo $ptime;