Warenkorb nach Artikelnummern sortieren?

add_action( 'woocommerce_cart_loaded_from_session', 'mmx_sort_cart_by_product_id' );
function mmx_sort_cart_by_product_id( $cart ) {
   if ( empty( $cart->cart_contents ) ) {
       return;
   }
   $sorted = array();
   foreach ( $cart->cart_contents as $key => $item ) {
       $sorted[ $key ] = $cart->cart_contents[ $key ];
   }
   @uasort( $sorted, 'mmx_sort_by_product_id' );
   $cart->cart_contents = $sorted;
}
function mmx_sort_by_product_id( $a, $b ) {
   return $a['data']->get_id() < $b['data']->get_id();
}