Page title unable to overwrite default title

Question

admin/config/search/page-title - Global default title is abc

admin/config/search/page-title - Content type BOOK -> title is def

meta tag -> Content -> page title is ghi

meta tag -> Content -> BOOK -> page title is jkl

content type BOOK -> create new node -> page title -> mno

In the website(Content type Book), the title always shows abc.

I want to edit title, may I know how?

Many Thanks.

Answer 1

function mytheme_preprocess_page(&$variables) {

  if (!empty($variables['page']['content']['system_main']['#form_id']) && $variables['page']['content']['system_main']['#form_id'] == 'form_id') {
    if (arg(0) == 'node' && arg(2) == 'node-type') {
    drupal_set_title(t('Your title'));
    }
   }
 }

you can use dpm($variables) to find form id. This for changing page title.

For changing header title i.e the title displaying in tab, below code can be used

function mytheme_preprocess_html(&$vars) {
  if (!empty($vars['page']['content']['system_main']['#form_id']) && $vars['page']['content']['system_main']['#form_id'] == 'your_form_id') {
    $vars['head_title'] = t('title');
  }
}

Answer 2

Edit

Using this module you can edit your title field.

OR

you can do it by custom

*
 * @form
 * the node form at node/add/[node-type]
 */
function node_entry_form_after_build($form, &$form_state) {


  //set a drupal title here
  drupal_set_title('my title');  


  return $form;
}