计算日期问题

Question

怎么计算2段时间之间的礼拜天个数，因为要统计上班天数，排除礼拜天

Answer 1

<?PHP
//$Date_1=date("Y-m-d");
$Date_1="2009-11-21";
$Date_2="2009-11-29";
$d1=strtotime($Date_1);
$d2=strtotime($Date_2);
//相差多少天
$Days=round(($d2-$d1)/3600/24);
echo "共有".$Days."天。";
//得出两天分别是星期几
$week1=date("w",$d1);
$week2=date("w",$d2);
//是否加1
$sub = (($Days%7+$week1)>6)?1:0;
$weeks=floor($Days/7)+$sub;
echo "共有".$weeks."个星期天。";
?>你究竟是想计算有多少星期天还是工作日？周六算不算？