public function MatchFieldValidator::validate in Form API Validation 8.2

@todo Find a way to set match field for nested element Ex. $form['contact']['city']. Maybe something like 'match_field[contact/field]' ?

Overrides FapiValidationValidatorsInterface::validate

File

src/Plugin/FapiValidationValidator/MatchFieldValidator.php, line 24

Class

MatchFieldValidator

Fapi Validation Plugin for Match Field validation.

Namespace

Drupal\fapi_validation\Plugin\FapiValidationValidator

Code

public function validate(Validator $validator, array $element, FormStateInterface $form_state) {
  $params = $validator
    ->getParams();
  $value = $validator
    ->getValue();
  return $form_state
    ->hasValue($params[0]) && $value == $form_state
    ->getValue($params[0]);
}