function themename_type_node_form($form) {
  if (isset($form['signup']['node_settings'])) {
    $form['signup']['#collapsible'] = FALSE;
    $form['signup']['#collapsed'] = FALSE;
    unset($form['signup']['node_settings']['settings']['signup_forwarding_email']);
    unset($form['signup']['node_settings']['settings']['signup_send_confirmation']);
    unset($form['signup']['node_settings']['settings']['signup_confirmation_email']);
    unset($form['signup']['node_settings']['settings']['signup_reminder']);
    unset($form['signup']['node_settings']['settings']['signup_reminder_email']);       
  }
  if (isset($form['locations'][0])) {
    $form['locations'][0]['latitude']['#type'] = 'hidden';
    $form['locations'][0]['latitude']['#value'] = '';
    $form['locations'][0]['latitude']['#default_value'] = '';
    $form['locations'][0]['longitude']['#type'] = 'hidden';
    $form['locations'][0]['longitude']['#value'] = '';
    $form['locations'][0]['longitude']['#default_value'] = '';
    
    unset($form['locations'][0]['map']);
    unset($form['locations'][0]['province']['#options']['xx']);
    $form['locations'][0]['province']['#options']['xx'] = 'OTHER';
    $form['locations'][0]['province']['#options']['us000'] = ' -- PLEASE CHOOSE ONE -- ';
}
  unset($form['preview']);
  return drupal_render($form);
}

Getting rid of form elements in a drupal theme function

forms, drupal

PHP