My question is for getting informations or directions about how to move for a task I have to do. This is just a request for advices due to the fact I'm not an expert in wordpress development.

My task would be to create a module (widget or just a query) which suggests registered users based on categories they've subscribed (user taxonomy like profession), just after somebody else post something.

I'll do an example:

  1. I post a job (form) selecting which profession it'd be dedicated for (user taxonomy);
  2. After the confirmation I get a widget showing 3 suggested users, matching the profession (user taxonomy) I've selected while posting.

I've created the user taxonomy but I don't really know where to start for this task. Do you know any article or question talking about something like it? Can you drive me to what I should study for it?


  • How did you add user taxonomy? Problem with user taxonomies is that there's no native support and you can't use it in user query! I suggest to use user meta instead and then you could use WP_User_Query(). Read it (there are plenty of examples on that page), try it and get back to us if it didn't work out. :-) – N00b May 4 '16 at 20:35
  • I've followed some tutorial for creating it like this one. So do you think I should work with user meta instead? Thanks @TwerkingN00b – Kleeia May 4 '16 at 20:45
  • And working with user meta how could I manage it from my dashboard? @TwerkingN00b – Kleeia May 4 '16 at 20:47
  • Do you have access to your database? I need to know how this taxonomy is linked to user. Does users table has a new column? Is there a new table called wp_user_relationships for example or is this relationship saved as user meta in wp_usermeta table.. Please add a taxonomy to one of your users and check it out. Then I can help you further. – N00b May 4 '16 at 20:52
  • I have access to my database and I see that these categories are added to wp_terms table. More specifically I've followed exactly this tutorial. @TwerkingN00b – Kleeia May 4 '16 at 21:06

You cannot query users by taxonomy. You will need to rethink your system. What would I do?


This code would go to the page template where your jobs are posted.

// This will check if form was submitted, it will not trigger/show on "normal" page load

    // This will get the profession from input after form is submitted & page reloaded
    // Change "profession" to the name of that input where user can choose profession
    $submitted_profession = $_POST['profession'];

    // Arguments for user query, see more from the user query link above
    $args = array(

        // How many to return?
        'number' => 3,   

        // User meta
        'meta_query' => array(
                'key'     => 'profession',  // Name of user meta key in database
                'value'   => $submitted_profession, // We get this from form, see above
                'compare' => '=' 

    // Query itself
    $suggested_users_query = new WP_User_Query( $args );

    // Get the results
    $users = $suggested_users_query->get_results();

    // Check if there actually are users based on that criteria 
    if ( ! empty( $users ) ) {

        // All the output how you want your users to look like goes here 

        // I wrote a small example

        echo '<ul>';

        // Loop trough each user 
        foreach ( $users as $user ) {

            // Get all the user data
            // To find all the fields you could use, search "get_userdata()" online
            $user_info = get_userdata( $user->ID );
            echo '<li>' . $user_info->first_name.' ' . $user_info->last_name . '</li>';

        echo '</ul>';

    // No users with that profession
    else {

        echo 'No users with profession ' . $submitted_profession;
  • Wooow! Thank you for your deep and useful support! Great! – Kleeia May 4 '16 at 21:48

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