private static function updateTimezone(Timezone $tz) { $query = "UPDATE timezone SET name = :name, city = :city, utc_offset = :utc_offset\n WHERE id = :id"; $params = array("id" => $tz->getId(), "name" => $tz->getName(), "city" => $tz->getCity(), "utc_offset" => $tz->getUtcOffset()); $stmt = static::db()->prepare($query); $stmt->execute($params); }