Ticket #19514: 19514.2.diff

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

@@ -614 +614 @@
 
         $post_type_name = $post_type['args']->name;
 
-        // Paginate browsing for large numbers of post objects.
-        $per_page = 50;
+        /**
+         * Filter the amount of items per page.
+         *
+         * @since 4.2
+         *
+         * @param int The amount of items to show per page.
+         */
+        $per_page = apply_filters( 'wp_nav_menu_posts_per_page' , 50 );
         $pagenum = isset( $_REQUEST[$post_type_name . '-tab'] ) && isset( $_REQUEST['paged'] ) ? absint( $_REQUEST['paged'] ) : 1;
         $offset = 0 < $pagenum ? $per_page * ( $pagenum - 1 ) : 0;