public function Ipv4Validator::validate in Form API Validation 8.2

Execute validation.

Parameters

\Drupal\fapi_validation\Validator $validator: Validator.

array $element: Form Element.

\Drupal\Core\Form\FormStateInterface $form_state: Form State.

Return value

bool Check.

Overrides FapiValidationValidatorsInterface::validate

File

src/Plugin/FapiValidationValidator/Ipv4Validator.php, line 22

Class

Ipv4Validator

Fapi Validation Plugin for IPV4 validation.

Namespace

Drupal\fapi_validation\Plugin\FapiValidationValidator

Code

public function validate(Validator $validator, array $element, FormStateInterface $form_state) {
  $pattern = '/^([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])' . '(\\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])){3}$/';
  return (bool) preg_match($pattern, $validator
    ->getValue());
}