skeeks\cms\validators\PhoneValidator::validateAttribute PHP Method

    public function validateAttribute($model, $attribute)
    {
        // if countryAttribute is set
        if (!isset($country) && isset($this->countryAttribute)) {
            $countryAttribute = $this->countryAttribute;
            $country = $model->{$countryAttribute};
        }
        // if country is fixed
        if (!isset($country) && isset($this->country)) {
            $country = $this->country;
        }
        // if none select from our models with best effort
        if (!isset($country) && isset($model->country_code)) {
            $country = $model->country_code;
        }
        if (!isset($country) && isset($model->country)) {
            $country = $model->country;
        }
        // if none and strict
        if (!isset($country) && $this->strict) {
            $this->addError($model, $attribute, \Yii::t('skeeks/cms', 'For phone validation country required'));
            return false;
        }
        if (!isset($country)) {
            return true;
        }
        $phoneUtil = PhoneNumberUtil::getInstance();
        try {
            $numberProto = $phoneUtil->parse($model->{$attribute}, $country);
            if ($phoneUtil->isValidNumber($numberProto)) {
                if ($this->format == true) {
                    $model->{$attribute} = $phoneUtil->format($numberProto, PhoneNumberFormat::INTERNATIONAL);
                }
                return true;
            } else {
                $this->addError($model, $attribute, \Yii::t('skeeks/cms', 'Phone number does not seem to be a valid phone number'));
                return false;
            }
        } catch (NumberParseException $e) {
            $this->addError($model, $attribute, \Yii::t('skeeks/cms', 'Unexpected Phone Number Format'));
        } catch (Exception $e) {
            $this->addError($model, $attribute, \Yii::t('skeeks/cms', 'Unexpected Phone Number Format or Country Code'));
        }
    }