public static function OptionsBase::validateMultipleOptions in YAML Form 8

Form API callback. Remove unchecked options from value array.

File

src/Plugin/YamlFormElement/OptionsBase.php, line 413

Class

OptionsBase

Provides a base 'options' element.

Namespace

Drupal\yamlform\Plugin\YamlFormElement

Code

public static function validateMultipleOptions(array &$element, FormStateInterface $form_state) {
  $name = $element['#name'];
  $values = $form_state
    ->getValue($name);

  // Filter unchecked/unselected options whose value is 0.
  $values = array_filter($values, function ($value) {
    return $value !== 0;
  });
  $values = array_values($values);
  $form_state
    ->setValue($name, $values);
}