switch case

<?php

$n = 13;
$r = $n % 2;

switch ($r) {
    case 0:
        echo "{$n} is an even number";
        break;

    default:
        echo "{$n} is an odd number";
}

echo "<br/>";

$color = 'red';

switch ($color) {
    /*case 'red':
        echo "{$color} i like this color";
        break;
    case 'green':
        echo "{$color} i also like this color";
        break;*/

    case 'red':
    case 'green':
        echo ucwords($color)."is also like this color";
        break;
    case 'blue':
        echo "{$color} is dont like this color";
        break;
    default:
        echo "this color is ok";
}