public function Ip2CountrySettingsForm::validateIp in IP-based Determination of a Visitor's Country 8

Element validation handler for IP address input.

File

src/Form/Ip2CountrySettingsForm.php, line 378

Class

Ip2CountrySettingsForm

Configure ip2country settings for this site.

Namespace

Drupal\ip2country\Form

Code

public function validateIp($element, FormStateInterface $form_state) {
  $ip_address = $element['#value'];
  if (!filter_var($ip_address, FILTER_VALIDATE_IP)) {
    $form_state
      ->setError($element, $this
      ->t('The IP address you entered is invalid. Please enter an address in the form xxx.xxx.xxx.xxx where xxx is between 0 and 255 inclusive.'));
  }
}