function MenuTreeStorage::updateParentalStatus
Sets has_children for the link's parent if it has visible children.
Parameters
array $link: The link to get a parent ID from.
2 calls to MenuTreeStorage::updateParentalStatus()
- MenuTreeStorage::delete in core/lib/ Drupal/ Core/ Menu/ MenuTreeStorage.php 
- Deletes a menu link definition from the storage.
- MenuTreeStorage::doSave in core/lib/ Drupal/ Core/ Menu/ MenuTreeStorage.php 
- Saves a link without clearing caches.
File
- 
              core/lib/ Drupal/ Core/ Menu/ MenuTreeStorage.php, line 592 
Class
- MenuTreeStorage
- Provides a menu tree storage using the database.
Namespace
Drupal\Core\MenuCode
protected function updateParentalStatus(array $link) {
  // If parent is empty, there is nothing to update.
  if (!empty($link['parent'])) {
    // Check if at least one visible child exists in the table.
    $query = $this->connection
      ->select($this->table, NULL, $this->options);
    $query->addExpression('1');
    $query->range(0, 1);
    $query->condition('menu_name', $link['menu_name'])
      ->condition('parent', $link['parent'])
      ->condition('enabled', 1);
    $parent_has_children = (bool) $query->execute()
      ->fetchField() ? 1 : 0;
    $this->connection
      ->update($this->table, $this->options)
      ->fields([
      'has_children' => $parent_has_children,
    ])
      ->condition('id', $link['parent'])
      ->execute();
  }
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
