PHP Switch 语句

switch (n)
 {
 case label1:
 如果 n=label1，此处代码将执行;
 break;
 case label2:
 如果 n=label2，此处代码将执行;
 break;
 default:
 如果 n 既不等于 label1 也不等于 label2，此处代码将执行;
 } 

<?php
$favcolor="red";
switch ($favcolor)
{
case "red":
echo "Your favorite color is red!";
break;
case "blue":
echo "Your favorite color is blue!";
break;
case "green":
echo "Your favorite color is green!";
break;
default:
echo "Your favorite color is neither red, blue, or green!";
}
?>