public function makeChild($parent, $name, $children, $depths = [])
{
if (count($depths)) {
$depth = array_shift($depths);
} else {
$depth = 7;
}
$child = new Region(['name' => $name, 'region_type_id' => $depth]);
$child->makeLastChildOf($parent);
foreach ($children as $name => $grandchildren) {
$this->makeChild($child, $name, $grandchildren, $depths);
}
}
