<?php $days = array('日','一','二','三','四','五','六'); $today = date('w')-1; $this_monday = strtotime('-'.$today.' day'); echo "今天是:星期",$days[$today],"<br></br>本周一:",date('Y-m-d',$this_monday),"<br></br>下周一:",date('Y-m-d',strtotime('+1 week',$this_monday)); ?>