Common mistakes while creating drupal menu or Drupal menu how to

May 05, 2012
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Consider the following observation

  • You create a drupal menu and menu type is not declared i.e MENU_NORMAL_ITEM (drupal’s default menu type is MENU_NORMAL_ITEM) but you cannot see the menu link on under navigation menu.
  • After clicking the menu link you see a error: warning: Invalid argument supplied for foreach() in C:\wamp\www\drupal6\includes\menu.inc on line 260
  • Your callbacks aren’t firing

Common mistakes while creating Drupal Menu

  • Have you set an access callback key to a function that is returning FALSE?
  • Did you forget to add the line return $items; at the end of your menu hook?
  • Did you accidentally make the value of access arguments or page arguments a string instead of an array?
  • Have you cleared your menu cache and rebuilt the menu?
  • If you’re trying to get menu items to show up as tabs by assigning the type as MENU_LOCAL_TASK, have you assigned a parent item that has a page callback?
  • If you’re working with local tasks, do you have at least two tabs on a page (this is required for them to appear)?

Remember carefully

Any changes in hook_menu() function, please do not forget to rebuild your menu. You can do this by four (4) ways:

  • From admin toolbar go to: Admin menu->Flash all cache->Menu
    Rebuild menu using admin menu module
  • Click rebuild menu item link under devel menu (if you installed devel module and assign development block on left sidebar)
    Rebuild menu using devel module
  • Clear your cache by visiting admin/settings/performence
    Rebuild menu by clear system cache
  • From Module list page (Administer->Site building->modules), disable the module and then enable again.

Finally An ideal way to declare menu

 

Final menu declaration code

 

After successfully creating menu

 

Final output

 

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