How to sort categories by id in wordpress admin

1 comment

1. The following should work…

   add_action('get_terms_args','my_order_cats',10,2);
   function my_order_cats($args,$taxonomies){
       //Check we are admin side
       if(is_admin()){
           $taxonomy = $taxonomies[0]; 
           $screen = get_current_screen();
           //Check screen ID and taxonomy and changes $args where appropriate. 
           if(($screen->id=='edit-category'||$screen->id=='post') && $taxonomy=='category'){
               $args['orderby']='id'; //preserves order of subcategories.
               $args['order']='asc'; //or desc
           }
       }
       return $args;
   }
   

   It preserves the order of subcategories (i.e. children always appear below their parents regarldless if order is set to ASC/DESC).

   This could be adapted for custom taxonomies, you would simply need to chhange the $screen->ID and $taxonomy checks.

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