Category For Pages In WordPress

2 comments

1. WordPress doesn’t provides option to create category in pages .

   One thing that can be done is modification in search query
   This will search you in all the pages only.

   function SearchFilter($query) {
       if ($query->is_search) {
          $query->set('post_type', 'page');
       }
       return $query;
       }
   
       add_filter('pre_get_posts','SearchFilter');
   

   Add this hook on some specific conditions, when you want only pages to be displayed in searches.

   Other side will be to display everything other than pages . In that you will have to exclude the pages by their ID’s

   function SearchFilter($query) {
       if ($query->is_search) {
          $excludeId = array(23,23,23);
          $query->set('post__not_in', array($excludeId));
       }
       return $query;
       }
   
       add_filter('pre_get_posts','SearchFilter');  
   

2. WordPress does not natively have a global taxonomy which is what you want. Categories in WordPress are tied to blog posts.

   To accomplish this, I would use a combination of the incredible Advanced Custom Fields (ACF) plugin and modifying functions.php to add a custom taxonomy to your site and apply it to all of your post-types.

   Step 1

   In functions.php, make a custom taxonomy like this (modify for your needs):

   // add_action registers the taxonomy into wordpress
   add_action( 'init', 'setup_my_tax' );
   
   // this function sets up the taxonomy to whatever standards you want
   // reference register_taxonomy on codex.wordpress.org
   function setup_my_tax() 
   
     // first parameter becomes the slug of the tax
     register_taxonomy( 'capabilities', array( 'post' ), array(
   
       // labels will determine how it show up in a menu
       'labels' => array(
         'add_new_item' => 'Add New ',
         'all_items' => 'All Capabilities',
         'edit_item' => 'Edit Capability',
         'menu_name' => 'Capabilities',
         'name' => 'Capabilities',
         'new_item' => 'New Capability',
         'not_found' => 'No Capabilities Found',
         'not_found_in_trash' => 'No Capabilities Found in Trash',
         'parent' => 'Parent of Capability',
         'search_items' => 'Search Capabilities',
         'singular_name' => 'Capability',
         'view_item' => 'View Capability'
       ),
   
       // important individual settings from register_taxonomy
       'hierarchical' => true,
       'public' => true,
       'query_var' => true,
       'show_admin_column' => true,
       'show_ui' => true
     ));
   }
   

   Step 2

   With ACF installed, you’ll use the GUI to make a custom field set that contains this taxonomy. Below the custom field set are rule options that show you how to apply the custom bit to all of your entities.

   

   Step 3

   In page.php and other templates you can make reference to your taxonomy terms like this:

   // Put the capabilities into an array variable
   $capObjects = get_field('capabilities');
   
   // Iterate through the the array of tags and output them
   // In WordPress, you have to use the term ID to lookup the term name
   foreach ($capObjects as $capObject):
     echo '<li class="capabilities-item">';
     echo '<a href="' . get_term_link($capObject) . '">' . $capObject->name . '</a> ';
     echo '</li>';
   endforeach;
   

   You can now adjust your search template by a true tag that spans all of your types of content.

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