Hide certain pages / posts on wp-admin, show custom filter

I’m integrating a separate ecommerce CMS into a wordpress theme, using page templates for some pages such as the basket, search and checkout pages.

This is working out pretty well so far. However, there are a couple of dynamic pages that I’d normally make a single-posttype.php template for, but can’t as in this case I can’t because WordPress doesn’t ‘know’ about them, as the data is coming from the ecommerce CMS. For example, the product details page or a product category search page.

My solution was to create a template called product-details and make a page for it. In this template, the actual wordpress page data is ignored and the data is instead read from the ecommerce CMS.

My gut feeling is that this is not best practice however short of writing a full wordpress plugin integration of the ecommerce system, it’s the best I could come up with.


The problem this leaves me is that if an admin were to delete that page, or unassign the template, the shop would break. So, I’d like to hide these pages to help prevent accidental deletion or editing (page content doesn’t matter for them).

Is there a way to hide some pages from the ‘All Pages’ menu in wp-admin, unless a custom
filter (e.g ‘System Pages’) is clicked?

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You can do this by using pre_get_posts() which will adjust the query before it’s run. Therefore we can exclude pages from the query.

function wpse_hide_special_pages($query) {

    // Make sure we're in the admin and it's the main query
    if ( !is_admin() && !is_main_query() ) {

    // Set the ID of your user so you can see see the pages
    $your_id = 1;

    // If it's you that is logged in then return
    if ($your_id == get_current_user_id()) {

    global $typenow;

    // Only do this for pages
    if ( 'page' == $typenow) {

        // Don't show the special pages (get the IDs of the pages and replace these)
        $query->set( 'post__not_in', array('8', '15', '14', '22') );


add_action('pre_get_posts', 'wpse_hide_special_pages');

Hope that helps.

Alternatively, Bryan Gentry described a different approach of managing the trash and deletion functions specially for the desired pages so they can not be deleted except by the plugin, here: how-to-prevent-a-wordpress-page-from-being-deleted-by-a-user