post-types-order + polylang

function saveAjaxOrder()
            {

                global $wpdb;
                global $polylang;

                // get current language ##
                $pll_current_language = function_exists('pll_current_language') ? pll_current_language() : 'en' ;
                #echo 'Language: '.$pll_current_language.'<br /><br />';

                // get all available languages ##
                if ( isset ( $polylang ) ) {

                    $pll_languages_list = $polylang->get_languages_list( array( 'fields' => 'slug' ) );

                } else {

                    $pll_languages_list = array ( 0 => 'en' );

                }

                #var_export( $pll_languages_list ); echo '<br /><br />';

                // parge args ##
                parse_str( $_POST['order'], $data );

                if ( is_array( $data ) )
                {
                    foreach( $data as $key => $values )
                    {
                        if ( $key == 'item' )
                        {
                            foreach( $values as $position => $id )
                            {

                                #echo 'ITEM / ID: '.$id.' / '.$position.' / ';
                                #$wpdb->update( $wpdb->posts, array('menu_order' => $position, 'post_parent' => 0), array('ID' => $id) );

                                // get item language, if different from current language, skip ##
                                foreach ( $pll_languages_list as $data => $value ) {

                                    if ( function_exists( 'pll_get_post' ) ) {

                                        $partner_id = pll_get_post( $id, $value );

                                        #echo 'LAN '.$polylang->get_post_language( $partner_id )->slug.' / ';

                                        if ( $partner_id ) {

                                            #echo 'ITEM / ID: '.$partner_id.' / '.$position.'<br />';
                                            $wpdb->update( $wpdb->posts, array('menu_order' => $position, 'post_parent' => 0), array('ID' => $partner_id) );

                                        }

                                    } else {

                                        $wpdb->update( $wpdb->posts, array('menu_order' => $position, 'post_parent' => 0), array( 'ID' => $id ) );

                                    }

                                }
                                #echo '<br /><br />';
                            }
                        } else {
                            foreach( $values as $position => $id )
                            {
                                #echo 'ITEM / ID: '.$id.' / '.$position.', ';
                                $wpdb->update( $wpdb->posts, array('menu_order' => $position, 'post_parent' => str_replace('item_', '', $key)), array('ID' => $id) );
                            }
                        }
                    }
                }
            }