Displaying the tagclouds

/* Displaying the tagclouds

function displayTagCloud($tags) {
// $tags is the array
//sorting the tags array
arsort($tags);

// looping through the tag array
foreach ($tags as $key => $value) {
$size=rand(15,25);
$value1="'".$value."'";
echo "<a href="http://www.php.qa.blogspot.com%27" style="" title="'" >".$value."</a > ";
}
}