//
// @see \Drupal\Core\Render\Element\Checkboxes::valueCallback()
// @see https://www.w3.org/TR/html401/interact/forms.html#checkbox
- $checked = array_filter($input, function($value) {
+ $checked = array_filter($input, function ($value) {
return $value !== 0;
});
return array_keys($checked);