public function actionDistricts() { $country = Yii::$app->request->post('country'); if (empty($country) || $country === 'undefined') { return null; } $province = Yii::$app->request->post('province'); if (empty($province) || $province === 'undefined') { return null; } $city = Yii::$app->request->post('city'); if (empty($city) || $city === 'undefined') { return null; } return District::asArray(Country::get($country)->getProvince($province)->getCity($city)->districts); }
/** * * @param string $alpha * @return District */ public function getDistrict($alpha) { return District::find()->where(['alpha' => $alpha, 'city' => $this->alpha, 'province' => $this->province, 'country' => $this->country])->one(); }