function MenuTreeStorage::getAllChildIds

File

core/lib/Drupal/Core/Menu/MenuTreeStorage.php, line 1043

Class

MenuTreeStorage

Provides a menu tree storage using the database.

Namespace

Code

public function getAllChildIds($id) {
    $root = $this->loadFull($id);
    if (!$root) {
        return [];
    }
    $query = $this->connection
        ->select($this->table, NULL, $this->options);
    $query->fields($this->table, [
        '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);
}