I tried to using hook_menu_alter but it doesn't work. It doesn't call page callback function.

function mymodule_menu_alter(&$items) {
    $items['taxonomy/term/%taxonomy_term']['page callback'] = 'mymodule_taxonomy_term_page';

function mymodule_taxonomy_term_page($term) {
    echo "hello"; die;
  • Check your spelling – Clive Mar 14 '18 at 15:13
  • My bad. But still it is not working. – Reshma Mar 14 '18 at 16:25
  • Was the typo present in the module, or did you just make a typo when copying the code in the question? – kiamlaluno Mar 14 '18 at 18:29
  • If you just made a typo when copying the code in the question, how do you check your code is not working? Which user account do you use to test it? – kiamlaluno Mar 14 '18 at 18:30
  • The typo it was in question, Its not working. – Reshma Mar 15 '18 at 6:27

I think I understand... You can use a hook_preprocess_page and global $user to determine the page the user is viewing, and the roles the current user has, and then do a redirect or whatever if they aren't allowed.... Example:

 * Implements hook_preprocess_HOOK().
function mymodule_preprocess_page(&$variables)
  $current_path = current_path();
  $url_components = parse_url($current_path);
  $protected_taxonomy_term = "whatever_taxonomy_term_you_want";
  if (strpos($url_components['path'], $protected_taxonomy_term) !== FALSE) {
    // User is on the path
    global $user;
    $user_roles = $user->roles;
    // Change to whatever role you want...
    $allowed_role = "authenticated user";
    if (in_array($allowed_role, $user_roles)) {
      drupal_set_message("USER IS ALLOWED ACCESS");
    else {
      // User not allowed, Redirect user to another page..
  • Thanks for your quick response, This solution wont work, page is going into infinite loop. – Reshma Mar 14 '18 at 17:13
  • I tested my specific code, and it was working for me. Of course, I could imagine you've modified it significantly. If the drupal_goto() logic was redirecting to a page that triggers this logic, than I can see why you would have an infinite loop problem. Perhaps you can update your question with the current version of your code to take a closer look? – Tyler Fahey Mar 15 '18 at 17:56

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