Очищаем настройки формы по-умолчанию для всех админов

AddEventHandler('main', 'OnEndBufferContent', function (&$content) {
 if (count($_POST['p']) <= 0) {
  return;
 }

 global $APPLICATION, $DB, $CACHE_MANAGER;

 $pCfg       = array_shift($_POST['p']);

 if ($APPLICATION->GetCurPage() != '/bitrix/admin/user_options.php'
  || $pCfg['c'] != 'form' || $pCfg['d'] != 'Y'
  || !preg_match('#^form_((section)|(element))_[0-9]+$#', $pCfg['n'])
 ) {
  return;
 }

 $DB->Query("DELETE FROM b_user_option WHERE CATEGORY = 'form' AND NAME = '" . $pCfg['n'] . "' AND COMMON = 'N'");
 $CACHE_MANAGER->cleanDir("user_option");
});