date_recur-8.x-2.2/tests/modules/date_recur_basic_widget_test/date_recur_basic_widget_test.module

<?php

declare(strict_types=1);

/**
 * @file
 * Contains hooks for date_recur_basic_widget_test module.
 */

use Drupal\Core\Form\FormStateInterface;

/**
 * Implements hook_form_alter().
 */
function date_recur_basic_widget_test_form_alter(&$form, FormStateInterface $form_state, $form_id): void {
  $useTimeZoneFormAlter = \Drupal::state()->get('DATE_RECUR_BASIC_WIDGET_TEST_HIDDEN_TIMEZONE_FIELD_HOOK_FORM_ALTER');
  if ($useTimeZoneFormAlter === TRUE) {
    if ('dr_entity_test_dr_entity_test_form' === $form_id) {
      $form['dr']['widget']['0']['timezone']['#access'] = FALSE;
    }
  }
}