új (blokk) megjelenési feltétel megadása

$desired_vocab = array(5, 6); // put here the vocabulary ID you're interested in
 
// check taxonomy first
  if ( arg(0) == 'node' and is_numeric(arg(1)) ) {
    // Yes, we're viewing a node.
 
   $node = node_load(arg(1)); // cached
    foreach ($node->taxonomy as $term) {
      if (in_array($term->vid, $desired_vocab) ) {
        return TRUE;
      }
    }  
  }
 
  if ( ((arg(0) == 'taxonomy')
     && (arg(1) == 'term')
     && is_numeric(arg(2))
     && ($term = taxonomy_get_term(arg(2)))
     && (in_array($term->vid, $desired_vocab))) ) {
        return TRUE;
  }
return FALSE;