public static function FaqHelper::taxonomyTermChildren in Frequently Asked Questions 8

Helper function to taxonomyTermCountNodes() to return list of child terms.

1 call to FaqHelper::taxonomyTermChildren()

FaqHelper::taxonomyTermCountNodes in src/FaqHelper.php

Count number of nodes for a term and its children.

File

src/FaqHelper.php, line 78

Class

FaqHelper

Contains static helper functions for FAQ module.

Namespace

Drupal\faq

Code

public static function taxonomyTermChildren($tid) {
  static $children;
  if (!isset($children)) {
    $result = \Drupal::database()
      ->select('taxonomy_term__parent', 'tth')
      ->fields('tth', array(
      'entity_id',
      'parent_target_id',
    ))
      ->execute();
    while ($term = $result
      ->fetch()) {
      $children[$term->parent_target_id][] = $term->entity_id;
    }
  }
  return isset($children[$tid]) ? $children[$tid] : array();
}