Add Custom Items to Specific WordPress Menus
/*------------------------------------*\
ADD CUSTOM ITEM TO MENU (ACF)
\*------------------------------------*/
add_filter('wp_nav_menu_items','custom_menu_item', 10, 2);
function custom_menu_item( $items, $args ) {
if( $args->menu->slug == 'menu-1') {
$content = get_field('brochure-link', 'option');
$items .= '<li>' . $content . '</li>';
}
return $items;
}