/**
* @param string|null $ip
* @return Result
*/
public function ip($ip = null)
{
if ($ip === null) {
$ip = Yii::$app->request->getUserIP();
}
if (!array_key_exists($ip, $this->result)) {
$key = self::className() . ':' . $ip;
if ($this->session->offsetExists($key)) {
$this->result[$ip] = $this->session->get($key);
} else {
$result = $this->reader->get($ip);
$this->result[$ip] = new Result($result);
$this->session->set($key, $this->result[$ip]);
}
}
return $this->result[$ip];
}
