Rank Math PREV & NEXT LANG

<?php

add_filter('rank_math/frontend/prev_url', 'modify_rank_math_prev_next_links');
add_filter('rank_math/frontend/next_url', 'modify_rank_math_prev_next_links');

function modify_rank_math_prev_next_links($link) {
    $home_url = home_url();
    $weglot = Weglot::Instance();
    $idioma_actual = $weglot->currentlang;

    if ($idioma_actual != 'es' && !empty($link)) {
        if (strpos($link, $home_url) === 0) {
            $link = str_replace($home_url, '', $link);
        }
        $link = $home_url . '/' . $idioma_actual . $link;
    }

    return $link;
}

add_action('wp_head', function () {
    $weglot = Weglot::Instance();
    $idioma_actual = $weglot->currentlang;

    remove_action('wp_head', 'rank_math_frontend_prev_link');
    remove_action('wp_head', 'rank_math_frontend_next_link');

    $prev_link = apply_filters('rank_math/frontend/prev_url', get_previous_posts_page_link());
    $next_link = apply_filters('rank_math/frontend/next_url', get_next_posts_page_link());

    if ($idioma_actual != 'es') {
        if ($prev_link) {
            echo '<link rel="prev" class="links-imk" href="' . esc_url($prev_link) . '" />' . PHP_EOL;
        }

        if ($next_link) {
            echo '<link rel="next" class="links-imk" href="' . esc_url($next_link) . '" />' . PHP_EOL;
        }
    }
});