function module_form_alter(&$form, &$form_state, $form_id) { if ($form['#form_id'] == 'post_node_form') { // id формы $top_level = taxonomy_get_tree($vid = 2, $parent = 0, $max_depth = 1); // id словаря foreach ($top_level as $id => $term) { $options[$term->name] = array(); $children = taxonomy_get_tree(2, $term->tid); // id словаря foreach ($children as $child) { $options[$term->name][$child->tid] = $child->name; } } $form['field_category']['und']['#options'] = $options; } }