wordpress教程：移除wp_nav_menu()多余的CSS选择器

function uazoh_css_attributes_filter($var) {

return is_array($var) ? array() : '';

}

add_filter('nav_menu_css_class', 'uazoh_css_attributes_filter', 100, 1);

add_filter('nav_menu_item_id', 'uazoh_css_attributes_filter', 100, 1);

add_filter('page_css_class', 'uazoh_css_attributes_filter', 100, 1);