Show random quotes on page every time a page is refreshed

This code can be used to show some random quotes or random links every time the page is loaded or refreshed.

$quote = array(
1  => "Random Quote 1",
2  => "This is sample quote 2",
3  => "check http://programming-in-php.blogspot.com",
4  => "it really works",
5  => "wooooooooooooooooooooow",
6 => "I am on twitter"
); 
$randnum = rand(1,6);
echo "
Random Quote - $quote[$randnum]
"; 
?>