form módosítása

function user_login_block() {
  $form = array(
    '#action' => url($_GET['q'], array('query' => drupal_get_destination())),
    '#id' => 'user-login-form',
    '#validate' => user_login_default_validators(),
    '#submit' => array('user_login_submit'),
  );
  $form['name'] = array('#type' => 'textfield',
    '#title' => t('Username'),
    '#maxlength' => USERNAME_MAX_LENGTH,
    '#size' => 15,
    '#required' => TRUE,
  );
  $form['pass'] = array('#type' => 'password',
    '#title' => t('Password'),
    '#maxlength' => 60,
    '#size' => 15,
    '#required' => TRUE,
  );
  $form['submit'] = array('#type' => 'submit',
    '#value' => t('Log in'),
  );
  $items = array();
  if (variable_get('user_register', 1)) {
    $items[] = l(t('Create new account'), 'user/register', array('attributes' => array('title' => t('Create a new user account.'))));
  }
  $items[] = l(t('Request new password'), 'user/password', array('attributes' => array('title' => t('Request new password via e-mail.'))));
  $form['links'] = array('#value' => theme('item_list', $items));
  return $form;
}

function SMINKEMNEVE_theme() {
  return array(
    'user_login_block' => array(
      'arguments' => array('form' => NULL),
    ),
  );
}
 
function SMINKEMNEVE_user_login_block($form) {
  //meg tudod nézni mi minden van benne: print_r($form);
 
  $out  = '';
  // Módosítod a dolgokat a megfelelőre
  // A végén hozzáfűzöd ezt a sort, hogy benne legyenek a rejtett input mezők is
  $out .= drupal_render($form);
 
  return $out;
}