tagcloud.php

<?php 

$blog  = $pages->find('blog');
$index = $blog->children()->index();
$cloud = array();

foreach($index as $p) {

  $tags = str::split((string)$p->tags());  
  
  foreach($tags as $t) {
    
    if(isset($cloud[$t])) {
      $cloud[$t]++;
    } else {
      $cloud[$t] = 1;
    }
    
  }
  
}

a::show($cloud);

/* example output: 

Array
(
    [design] => 2
    [fun] => 1
    [awesome] => 1
    [photography] => 2
    [text] => 1
    [cats] => 1
)

*/

?>