Исходный код метода:
$this->db->query("INSERT INTO `" . DB_PREFIX . "order_recurring` SET `order_id` = '" . (int)$order_id . "', `created` = NOW(), `status` = 6, `product_id` = '" . (int)$item['product_id'] . "', `product_name` = '" . $this->db->escape($item['name']) . "', `product_quantity` = '" . $this->db->escape($item['quantity']) . "', `profile_id` = '" . (int)$item['profile_id'] . "', `profile_name` = '" . $this->db->escape($item['profile_name']) . "', `profile_description` = '" . $this->db->escape($description) . "', `recurring_frequency` = '" . $this->db->escape($item['recurring_frequency']) . "', `recurring_cycle` = '" . (int)$item['recurring_cycle'] . "', `recurring_duration` = '" . (int)$item['recurring_duration'] . "', `recurring_price` = '" . (float)$item['recurring_price'] . "', `trial` = '" . (int)$item['recurring_trial'] . "', `trial_frequency` = '" . $this->db->escape($item['recurring_trial_cycle']) . "', `trial_cycle` = '" . (int)$item['recurring_trial_cycle'] . "', `trial_duration` = '" . (int)$item['recurring_trial_duration'] . "', `trial_price` = '" . (float)$item['recurring_trial_price'] . "', `profile_reference` = ''");
return $this->db->getLastId();