Többnyelvű oldal, kizárólag magyar loginnal

/**
 * Denying registering or logging in when not using the Hungarian interface
 */
function YOURMODULE_deny_login_or_register_form_after_build(&$form, &$form_state) {
  global $language;
  if ($language->language !== 'hu') {
    $form = array();
 
    $form['login_or_register_denied'] = array(
      '#value' => '<div class="form-item">' . t("We're sorry, but logging in or registering is currently enabled only for Hungarian users.") . '</div>'
    );
  }
 
  return $form;
}
 
/**
 * Implementation of hook_form_FORM_ID_alter()
 */
function YOURMODULE_form_user_login_alter(&$form, &$form_state) {
  $form['#after_build'][] = 'YOURMODULE_deny_login_or_register_form_after_build';
}
 
/**
 * Implementation of hook_form_FORM_ID_alter()
 */
function YOURMODULE_form_user_login_block_alter(&$form, &$form_state) {
  $form['#after_build'][] = 'YOURMODULE_deny_login_or_register_form_after_build';
}
 
/**
 * Implementation of hook_form_FORM_ID_alter()
 */
function YOURMODULE_form_user_register_alter(&$form, &$form_state) {
  $form['#after_build'][] = 'YOURMODULE_deny_login_or_register_form_after_build';
}