Menu

For eddintg the menu links in Drupal 7, use your theme template.php file.

Add a custom function that alows you to edit all the menu link items.

In some cases, we might to add some extra class or some extra attributes to the primary menu link in Drupal 7.

There are different ways of doing it. I have used the template.php file to customize the links. A template.php files resides inside your themes folder. Add this function to your template file and customize the links