function taxonomy_get_parents

Finds all parents of a given term ID.

Parameters

$tid: A taxonomy term ID.

Return value

An array of term objects which are the parents of the term $tid, or an empty array if parents are not found.

9 calls to taxonomy_get_parents()
TaxonomyQueryAlterTestCase::testTaxonomyQueryAlter in modules/taxonomy/taxonomy.test
Tests that appropriate tags are added when querying the database.
TaxonomyTermTestCase::testTaxonomyTermHierarchy in modules/taxonomy/taxonomy.test
Test terms in a single and multiple hierarchy.
TaxonomyTermTestCase::testTermMultipleParentsInterface in modules/taxonomy/taxonomy.test
Test saving a term with multiple parents through the UI.
taxonomy_form_term in modules/taxonomy/taxonomy.admin.inc
Form function for the term edit form.
taxonomy_get_parents_all in modules/taxonomy/taxonomy.module
Find all ancestors of a given term ID.

... See full list

1 string reference to 'taxonomy_get_parents'
taxonomy_terms_static_reset in modules/taxonomy/taxonomy.module
Clear all static cache variables for terms.

File

modules/taxonomy/taxonomy.module, line 1020

Code

function taxonomy_get_parents($tid) {
    $parents =& drupal_static(__FUNCTION__, array());
    if ($tid && !isset($parents[$tid])) {
        $query = db_select('taxonomy_term_data', 't');
        $query->join('taxonomy_term_hierarchy', 'h', 'h.parent = t.tid');
        $query->addField('t', 'tid');
        $query->condition('h.tid', $tid);
        $query->addTag('taxonomy_term_access');
        $query->orderBy('t.weight');
        $query->orderBy('t.name');
        $tids = $query->execute()
            ->fetchCol();
        $parents[$tid] = taxonomy_term_load_multiple($tids);
    }
    return isset($parents[$tid]) ? $parents[$tid] : array();
}

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