Ticket #47555: 47555.1.diff

src/wp-admin/includes/nav-menu.php

@@ -334 +334 @@
 
         $post_type_name = $box['args']->name;
 
-        // Paginate browsing for large numbers of post objects.
-        $per_page = 50;
+        /**
+         * Filters the number of post to show per page for large numbers of post objects
+         *
+         * @since 5.3.0
+         *
+         * @param int $per_page The number of post to show per page. Default 50.
+         */
+        $per_page = absint( apply_filters( 'nav_menu_metabox_per_page_number', 50 ) );
         $pagenum  = isset( $_REQUEST[ $post_type_name . '-tab' ] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;
         $offset   = 0 < $pagenum ? $per_page * ( $pagenum - 1 ) : 0;