modules/helpers/helpers_taxonomy.module

<?php
// $Id$

/**
 * @file
 * This is a library of useful taxonomy functions and methods.
 * please insert the link if you have a patch for core to introduce a function from this lib to core.
 */

/**
 * Taxonomy REST API: Build a path to a taxonomy listing page
 * Patch pending at http://drupal.org/node/64664
 *
 * @param $terms
 *   a single numeric term id, or a single $term object
 *   or an array of numeric term ids or $term objects
 * @param $op
 *   a string "AND" or "OR"
 * @param $depth
 *   depth of the taxonomy tree that is to be returned. 0 equals the entire tree
 * @param $feed
 *   TRUE for RSS feed, FALSE for page
 */
function taxonomy_get_path($terms, $op = 'AND', $depth = 0, $feed = FALSE) {
  // prepare $tids associative array $tid => $term accounting for the possibility
  // that $terms is either a tid, a $term, an array of tids, or an array of $term objects
  if (is_array($terms) && count($array) > 0) {
    foreach ($terms as $term) {
      if (is_numeric($term)) {
        $term = taxonomy_get_term($term);
      }
      if (is_object($term)) {
        $tids[$term->tid] = $term;
      }
    }
  }
  else {
    if (is_numeric($terms)) {
      $tids[$terms] = taxonomy_get_term($terms);
    }
    elseif (is_object($terms)) {
      $tids[$terms->tid] = $terms;
    }
  }

  // build the $path
  $path = 'taxonomy/term';
  $op = strtolower($op);
  switch ($op) {
    case 'and':
      $path .= '/'. implode(',', array_keys($tids));
      break;

    case 'or':
      $path .= '/'. implode('+', array_keys($tids));
      break;
  }

  if ($depth > 0) {
    $path .= "/$depth";
  }

  if ($feed) {
    if ($depth > 0) {
      $path .= '/feed';
    }
    else {
      $path .= '0/feed';
    }
  }
  return $path;
}
1	<?php
2	// $Id$
3
4	/**
5	* @file
6	* This is a library of useful taxonomy functions and methods.
7	* please insert the link if you have a patch for core to introduce a function from this lib to core.
8	*/
9
10	/**
11	* Taxonomy REST API: Build a path to a taxonomy listing page
12	* Patch pending at http://drupal.org/node/64664
13	*
14	* @param $terms
15	* a single numeric term id, or a single $term object
16	* or an array of numeric term ids or $term objects
17	* @param $op
18	* a string "AND" or "OR"
19	* @param $depth
20	* depth of the taxonomy tree that is to be returned. 0 equals the entire tree
21	* @param $feed
22	* TRUE for RSS feed, FALSE for page
23	*/
24	function taxonomy_get_path($terms, $op = 'AND', $depth = 0, $feed = FALSE) {
25	// prepare $tids associative array $tid => $term accounting for the possibility
26	// that $terms is either a tid, a $term, an array of tids, or an array of $term objects
27	if (is_array($terms) && count($array) > 0) {
28	foreach ($terms as $term) {
29	if (is_numeric($term)) {
30	$term = taxonomy_get_term($term);
31	}
32	if (is_object($term)) {
33	$tids[$term->tid] = $term;
34	}
35	}
36	}
37	else {
38	if (is_numeric($terms)) {
39	$tids[$terms] = taxonomy_get_term($terms);
40	}
41	elseif (is_object($terms)) {
42	$tids[$terms->tid] = $terms;
43	}
44	}
45
46	// build the $path
47	$path = 'taxonomy/term';
48	$op = strtolower($op);
49	switch ($op) {
50	case 'and':
51	$path .= '/'. implode(',', array_keys($tids));
52	break;
53
54	case 'or':
55	$path .= '/'. implode('+', array_keys($tids));
56	break;
57	}
58
59	if ($depth > 0) {
60	$path .= "/$depth";
61	}
62
63	if ($feed) {
64	if ($depth > 0) {
65	$path .= '/feed';
66	}
67	else {
68	$path .= '0/feed';
69	}
70	}
71	return $path;
72	}