3 filtri lingue con eccezioni, ma non va

// NUOVO FILTRO LINK ETICHETTA DEL MENU' TEDESCO

add_filter('wp_setup_nav_menu_item', 'sac_de_menu_link', 20, 1 );
function sac_de_menu_link( $item_post ) {
if ('DEUTSCH' == $item_post->title && ! is_admin()) {

$item_post->url = get_site_url ( null, $_SERVER['REQUEST_URI'] );

if ( in_array( $_SERVER['REQUEST_URI'], ['/contatti/','/contact/',] )) $item_post->url = get_site_url( null, '/kontakt/');

    $item_post->url= str_replace ( "://test", "://de.test", $item_post->url );

$item_post->url= str_replace ( "://en.test", "://de.test", $item_post->url );

}
return $item_post;
}

// NUOVO FILTRO INGLESE

add_filter('wp_setup_nav_menu_item', 'sac_en_menu_link', 20, 1 );
function sac_en_menu_link( $item_post ) {
   if ('ENGLISH' == $item_post->title ) {
      $item_post->url = get_site_url( null, $_SERVER['REQUEST_URI']);

if ( in_array( $_SERVER['REQUEST_URI'], ['/contatti/','/kontakt/',] )) $item_post->url = get_site_url( null, '/contact/');

 $item_post->url= str_replace ( "://de.test", "://en.test", $item_post->url );

$item_post->url= str_replace ( "://test", "://en.test", $item_post->url );

   }
   return $item_post;
}


// NUOVO FILTRO LINK MENU' ITALIANO

// FILTRO LINK MENU' ITALIANO

add_filter('wp_setup_nav_menu_item', 'sac_it_menu_link', 40, 1 );
function sac_it_menu_link( $item_post ) {
   if ('ITALIANO' == $item_post->title ) {
      $item_post->url = get_site_url( null, $_SERVER['REQUEST_URI']);

if ( in_array( $_SERVER['REQUEST_URI'], ['/contact/','/kontakt/',] )) $item_post->url = get_site_url( null, '/contatti/');


 $item_post->url= str_replace ( "://de.test", "://test", $item_post->url );

$item_post->url= str_replace ( "://en.test", "://test", $item_post->url );

   }
   return $item_post;
}