WordPress Complete - Sixth Edition

Customizing the admin display

The final thing you can do to realize your new book custom post type fully is to change its display in the wp-admin. You don't need to know the WordPress user who created a given book, but you do want to see the book categories and the thumbnail. Let's go back to functions.php. First, we'll change the columns that are displayed:

function ahskk_custom_columns($defaults) { global $wp_query, $pagenow; if ($pagenow == 'edit.php') { unset($defaults['author']); unset($defaults['categories']); unset($defaults['date']); $defaults['book_category'] = 'Categories'; $defaults['thumbnail'] = 'Image'; } return $defaults; } add_filter('manage_book_posts_columns', 'ahskk_custom_columns'); function ahskk_show_columns($name) { ...