public MenuTreeStorage::getAllChildIds($id)
Loads all the IDs for menu links that are below the given ID.
Parameters
string $id: The parent menu link ID.
Return value
array An unordered array of plugin IDs corresponding to all children.
Overrides MenuTreeStorageInterface::getAllChildIds
File
- core/lib/Drupal/Core/Menu/MenuTreeStorage.php, line 1051
Class
- MenuTreeStorage
- Provides a menu tree storage using the database.
Namespace
Drupal\Core\Menu
Code
public function getAllChildIds($id) {
$root = $this->loadFull($id);
if (!$root) {
return array();
}
$query = $this->connection->select($this->table, $this->options);
$query->fields($this->table, array('id'));
$query->condition('menu_name', $root['menu_name']);
for ($i = 1; $i <= $root['depth']; $i++) {
$query->condition("p$i", $root["p$i"]);
}
// The next p column should not be empty. This excludes the root link.
$query->condition("p$i", 0, '>');
return $this->safeExecuteSelect($query)->fetchAllKeyed(0, 0);
}
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