hide category menus with zero articles

functions.php

@@ -76,6 +76,19 @@ function ildi_register_sidebars() {
   );
 }
 
+function ildi_nav_remove_empty_terms ( $items, $menu, $args ) {
+    global $wpdb;
+    $empty = $wpdb->get_col( "SELECT term_taxonomy_id FROM $wpdb->term_taxonomy WHERE count = 0" );
+    foreach ( $items as $key => $item ) {
+        if ( ( 'taxonomy' == $item->type ) && ( in_array( $item->object_id, $empty ) ) ) {
+            unset( $items[$key] );
+        }
+    }
+    return $items;
+}
+add_filter( 'wp_get_nav_menu_items', 'ildi_nav_remove_empty_terms', 10, 3 );
+
+
 // add_action('init', 'register_ildi_menu');
 add_action( 'after_setup_theme', 'register_ildi_menus', 0 );
 add_action( 'wp_enqueue_scripts', 'ildi_styles' );