php 中的switch的多重判断来今天是星期几

用php的swithc语句来判断今天是星期几 怎么来写这个程序呢

[php]

<?php

/**  * @author 大眼仔~旭  * @copyright 2012  */

setlocale(LC_TIME,"chs");
$weekday = strftime("%A");
switch($weekday)
{     case "星期一";     echo "今天是 $weekday ";     break;     case "星期二";   echo "今天是 $weekday ";    break;     case "星期三";      echo "今天是 $weekday ";       break;        case "星期四";     echo "今天是 $weekday ";      break;        case "星期五";      echo "今天是 $weekday ";       break;       default;         echo "今天是 $weekday ";         break;                        }

?>

[/php]