| Аргумент | Возможный тип | Описание |
| $zoneName | — | — |
$row = $this->db->query("
SELECT `zone_id`
FROM `" . DB_PREFIX . "zone`
WHERE LOWER(`name`) = '" . $this->db->escape(strtolower($zoneName)) . "'")->row;
if (isset($row['country_id']) && !empty($row['country_id'])) {
return (int)$row['country_id'];
}
return 0;