网站建设基础-使用if和switch分别输出今天为周几

<?php
$week=date("D");
//  echo $week;

if($week=="Mon"){
echo "星期一";
}elseif($week=="Tue"){
echo "星期二";
}elseif($week=="Wed"){
echo "星期三";
}elseif($week=="Thu"){
echo "星期四";
}elseif($week=="Fri"){
echo "星期五";
}elseif($week=="Sat"){
echo "星期六";
}elseif($week=="Sun"){
echo "星期日";
}

echo "<br><hr><br>";
//使用switch输出今天是星期几
switch($week){
case "Mon":
echo "星期一";
break;
case "Tue":
echo "星期二";
break;
case "Wed":
echo "星期三";
break;
case "Thu":
echo "星期四";
break;
case "Fri":
echo "星期五";
break;
case "Sat":
echo "星期六";
break;
case "Sun":
echo "星期日";
break;
}

?>