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[resolved] How to hide certain categories in wordpress dashboard? (7 posts)

  1. Zakir Sajib
    Member
    Posted 2 years ago #

    I have two categories which I dont want to show to my site's admin, I want them to be added automatically everytime a new post is creatd or updated. I have the code for it. But now i also want to hide those two categories.

    This is not for front-end. This is for wodpress dashboard. I dont want my admin will see these two categries at all. But if we hide those still I will be to assign those two categories into posts while it is created or updated.

    Any clues???

  2. marv51
    Member
    Posted 2 years ago #

    Filtering those categories would require you to dig pretty deep into the code and write a plugin, I think.

    However I don't think your using categories correctly if you need something like that. For anything that is not directly a category, you should use a custom taxonomy (http://codex.wordpress.org/Taxonomies) (categories are just a specific taxonomy.
    Take a look at this for an easy way to create the code you need for the taxonomy: http://themergency.com/generators/wordpress-custom-taxonomy/

    I hope you find this helpful, I'm sorry that I can't help you with your approach.

    Marvin

  3. Zakir Sajib
    Member
    Posted 2 years ago #

    i found following code which hides category from home page (which is front-end), i just need to find out how to hide from admin mode.

    function exclude_category( $query ) {
        if ( $query->is_home() && $query->is_main_query() ) {
            $query->set( 'cat', '-1,-1347' );
        }
    }
    add_action( 'pre_get_posts', 'exclude_category' );

    I cant do custom taxonomy right now as my site almost finished. so looking for quick solution.

    anyways can anyone put a light on above code, may be some modifications will hide category from admin????

  4. Zakir Sajib
    Member
    Posted 2 years ago #

    i tried to use is_admin() but it gives me error!

    Source of the code

  5. bcworkz
    Member
    Posted 2 years ago #

    I'm not convinced is_admin() does what you think it does. Your source code link doesn't go where you want it to, I suspect.

    Your exclude_category() function displays posts that are not in categories 1 or 1347. Do you want to not show posts of certain categories to admins on the post listing page? Or do you want to not offer certain categories as options on the post edit page for admins?

    In general, it may be possible to hide things from an admin using a custom capability, but very difficult to prevent an admin from doing a work around, like granting himself that particular capability.

    I question if it's wise to grant users admin roles if you need to hide something from them. Better to give them a powerful, but lesser role. Then it would be easier to hide things without there being a work around.

  6. Zakir Sajib
    Member
    Posted 2 years ago #

    it works perfectly in wp 3.3.2
    thnx everyone.

    /*
     * Hide Specified Categories (by ID) from administrators
     */
    
    add_action( 'admin_init', 'wpse_55202_do_terms_exclusion' );
    
    function wpse_55202_do_terms_exclusion() {
        if( current_user_can('administrator') )
            add_filter( 'list_terms_exclusions', 'wpse_55202_list_terms_exclusions', 10, 2 );
    }
    
    function wpse_55202_list_terms_exclusions($exclusions,$args) {
        return $exclusions . " AND ( t.term_id <> 69 )  AND ( t.term_id <> 70 )";
    }

    my category id's are: 69 and 70.

  7. Zakir Sajib
    Member
    Posted 2 years ago #

    resolved.

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