function _lineage_get_parent_lineage in Taxonomy Lineage 7

Same name and namespace in other branches

1. 5 lineage.module \_lineage_get_parent_lineage()
2. 6 lineage.module \_lineage_get_parent_lineage()

Recursive helper to assemble lineage.

Parameters

$id: A taxonomy term id.

Return value

An keyed array containg the following keys:

• base
• depth

1 call to _lineage_get_parent_lineage()

lineage_update_term in ./lineage.module

File

./lineage.module, line 327

lineage.module Module code for taxonomy term hierarchy lineage.

Code

function _lineage_get_parent_lineage($tid) {
  $query = db_select('taxonomy_term_hierarchy', 'th');
  $query
    ->join('taxonomy_term_data', 'td', 'td.tid = th.tid');
  $query
    ->fields('td', array(
    'tid',
    'name',
    'weight',
    'vid',
  ));
  $query
    ->fields('th', array(
    'parent',
  ));
  $query
    ->condition('td.tid', $tid, '=');
  $result = $query
    ->execute();
  foreach ($result as $term) {
    $ret = _lineage_get_parent_lineage($term->parent);
    $ret['base'] .= lineage_string($term);
    $ret['depth'] += 1;
    return $ret;
  }

  // Return an empty set to suppress warnings in lineage_update_term_r().
  return array(
    'base' => '',
    'depth' => 0,
  );
}