Implements hook_form_FORM_ID_alter().

File

modules/system/system.module, line 2006
Configuration system that lets administrators modify the workings of the site.

Code

function system_form_user_register_form_alter(&$form, &$form_state) {
  if (variable_get('configurable_timezones', 1)) {
    if (variable_get('user_default_timezone', DRUPAL_USER_TIMEZONE_DEFAULT) == DRUPAL_USER_TIMEZONE_SELECT) {
      system_user_timezone($form, $form_state);
    }
    else {
      $form['account']['timezone'] = array(
        '#type' => 'hidden',
        '#value' => variable_get('user_default_timezone', DRUPAL_USER_TIMEZONE_DEFAULT) ? '' : variable_get('date_default_timezone', ''),
      );
    }
    return $form;
  }
}