function add_parent_url_menu_class($classes = array(), $item = false) { // Get current URL $current_url = ricUtil::current_url(); // Get homepage URL $homepage_url = trailingslashit(get_bloginfo('url')); // Exclude 404 and homepage if (is_404() or $item->url == $homepage_url) { return $classes; } if (strstr($current_url, $item->url) or strstr($current_url, get_permalink($item->ID))) { // Add the 'parent_url' class $classes[] = 'parent_url'; } return $classes; }