Loop all terms in a vocabulary

  <?php

function list_all_countries($vid) {
$vid = 1;  // Set the vid to the vocabulary id of the vocabulary you wish to list the terms from
$pole = array();
$items = array();
$terms = taxonomy_get_tree($vid);

foreach ( $terms as $term ) {
  $count = db_result(db_query("SELECT COUNT(nid) FROM {term_node} WHERE tid = %d", $term->tid));
  $pole[]=Array (l($term->name, "taxonomy/term/$term->tid") . " ($count)", $term->depth, $count, $term->tid)  ;
}
  $depth =-1;
  foreach ($pole as $list) {
    if ($list[1] > $depth) echo "\n<ul>";
    if ($list[1] < $depth) echo "\n</li>\n</ul>\n</li>";
    if ($list[1] == $depth) echo "</li>";
    $poc++;
    echo "\n<li>$list[0]";

if ($list[2]>0) {
      echo "\n<ul>";
      $result = db_query("SELECT * FROM {term_node} WHERE tid=$list[3]");
      while($zaznam = db_fetch_array($result)) {
        $node = db_result(db_query("SELECT title FROM {node} WHERE nid=$zaznam[nid]"));
        $node_link = l($node, "node/$zaznam[nid]");
        echo "\n<li>$node_link</li>";
      }
      echo "\n</ul>";
  }
    $depth=$list[1];
}
echo "</li>\n</ul>";
 
}

?> 
Knowledge keywords: 
taxonomy
function
Drupal 6.x