php endswitch

<!DOCTYPE html>
<html>
    <head>
        <title></title>
    </head>
    <body>
    <?php
    switch ($i):
case 0:
echo '$i is 0.';
break;
case 1:
case 2:
case 3:
case 4:
case 5:
echo '$i is somewhere between 1 and 5.';
break;
case 6:
case 7:
echo '$i is either 6 or 7.';
break;
default:
echo "I don't know how much \$i is.";
endswitch;
}
    ?>
    </body>
</html>