protected static function _subTree(&$categories, $id_category, &$n)
{
$left = $n++;
if (isset($categories[(int) $id_category]['subcategories'])) {
foreach ($categories[(int) $id_category]['subcategories'] as $id_subcategory) {
Category::_subTree($categories, (int) $id_subcategory, $n);
}
}
$right = (int) $n++;
Db::getInstance()->execute('
UPDATE ' . _DB_PREFIX_ . 'category
SET nleft = ' . (int) $left . ', nright = ' . (int) $right . '
WHERE id_category = ' . (int) $id_category . ' LIMIT 1');
}
