<?php
switch(date("D")){
    case "Mon";
        echo "今天是星期一";
        break;
    case "Tue";
        echo "今天是星期二";
        break;
    case "Wed";
        echo "今天是星期三";
        break;
    case "Thu";
        echo "今天是星期四";
        break;
    case "Fri";
        echo "今天是星期五";
        break;
    default:
        echo "今天放假"; 
}
?>