Remove WooCommerce rewrite bases

/**
 * Detect posts
 */
function pm_detect_woo_permalinks($query) {
    global $wpdb, $pm_query, $wp, $wp_rewrite;

    // Do not run when Elementor is opened
    if((!empty($_REQUEST['action']) && strpos($_REQUEST['action'], 'elementor') !== false) || isset($_REQUEST['elementor-preview'])) {
        return $query;
    }

    // Do not run if custom permalink was detected
    if(!empty($pm_query['id'])) {
        return $query;
    }

    // 1. Get the slug
    preg_match("/([^\/]+)(?:\/{$wp_rewrite->pagination_base}\/([\d]+))?$/", $wp->request, $parts);

    if(!empty($parts[1])) {
        $slug = basename($parts[1]);

        // 2A. Check if the slug is assigned to any post item
        $sql_query = "SELECT post_name, post_type FROM {$wpdb->posts} WHERE 1=1 AND post_name = %s AND post_type = 'product'";
        $post = $wpdb->get_row($wpdb->prepare($sql_query, array($slug)));

        if(!empty($post->post_name)) {
            $page = (!empty($query['page'])) ? $query['page'] : 1;

            $new_query = array(
                'post_type' => $post->post_type,
                $post->post_type => $post->post_name,
                'name' => $post->post_name,
                // 'page' => $page,
                'do_not_redirect' => 1,
            );
        }
        // 2B. Check if the slug is assigned to any post item
        else {
            $sql_query = "SELECT t.slug, t.term_id, tt.taxonomy FROM {$wpdb->terms} AS t INNER JOIN {$wpdb->term_taxonomy} AS tt ON(t.term_id = tt.term_id) WHERE 1=1 AND slug = %s";
            $term = $wpdb->get_row($wpdb->prepare($sql_query, array($slug)));

            if(!empty($term->taxonomy)) {
                $page = (!empty($parts[2])) ? (int) $parts[2] : 1;

                $new_query = array(
                    'term' => $term->slug,
                    $term->taxonomy => $term->slug,
                    'taxonomy' => $term->taxonomy,
                    'paged' => $page
                );
            }
        }

        // 3. Overwrite the query object & Disable canonical redirect
        if(!empty($new_query)) {
            remove_action('template_redirect', 'wp_old_slug_redirect');
            remove_action('template_redirect', 'redirect_canonical');
            add_filter('wpml_is_redirected', '__return_false', 99, 2);
            add_filter('pll_check_canonical_url', '__return_false', 99, 2);

            $query = $new_query;
        }
    }

    return $query;
}
add_filter('request', 'pm_detect_woo_permalinks', 9999);

function bis_filter_woo_permalinks($url, $element) {
    if(!empty($element->post_type) && ($element->post_type == 'product')) {
        $url = trim(get_option('home'), '/') . "/{$element->post_name}";
    } else if(!empty($element->taxonomy) && (in_array($element->taxonomy, array('product_cat', 'product_tag')))) {
        $woocommerce_permalinks = get_option('woocommerce_permalinks');
        $url = (!empty($woocommerce_permalinks['category_base'])) ? str_replace(array("{$woocommerce_permalinks['category_base']}/", "{$woocommerce_permalinks['tag_base']}/"), '', $url) : $url;
    }

    return $url;
}
add_filter('post_type_link', 'bis_filter_woo_permalinks', 999, 2);
add_filter('term_link', 'bis_filter_woo_permalinks', 999, 2);

function pm_redirect_old_woo_permalinks() {
    global $wp, $wp_query, $wp_rewrite;

    if(empty($wp->request)) { return; }

    $woocommerce_permalinks = get_option('woocommerce_permalinks');

    // A. Redirect old product permalinks
    if(is_singular('product') && !empty($woocommerce_permalinks['product_base'])) {
        $product_permalink_base = preg_quote(preg_replace('/(%[^%]+%)/', '', $woocommerce_permalinks['product_base']), "/");

        if(preg_match("/^({$product_permalink_base})/", $wp->request)) {
            $url = get_permalink();
        }
    }

    // B. Redirect old category permalinks
    if(is_tax('product_cat') && !empty($woocommerce_permalinks['category_base'])) {
        $product_cat_permalink_base = preg_quote(preg_replace('/(%[^%]+%)/', '', $woocommerce_permalinks['category_base']), "/");

        if(preg_match("/^({$product_cat_permalink_base})/", $wp->request)) {
            $term = get_queried_object();
            $url = get_term_link($term, $term->taxonomy);
        }
    }

    // C. Redirect old tag permalinks
    if(is_tax('product_tag') && !empty($woocommerce_permalinks['tag_base'])) {
        $product_tag_permalink_base = preg_quote(preg_replace('/(%[^%]+%)/', '', $woocommerce_permalinks['tag_base']), "/");

        if(preg_match("/^({$product_tag_permalink_base})/", $wp->request)) {
            $term = get_queried_object();
            $url = get_term_link($term, $term->taxonomy);
        }
    }

    // Do the redirect
    if(!empty($url)) {
        // Support pagination
        $paged = (get_query_var('paged')) ? get_query_var('paged') : 1;

        if(!empty($paged) && $paged > 1) {
            $url = sprintf("%s/%s/%s", trim($url, "/"), $wp_rewrite->pagination_base, $paged);
            $url = user_trailingslashit($url);
        }

        wp_safe_redirect($url, 301);
        exit();
    }
}
add_action('template_redirect', 'pm_redirect_old_woo_permalinks', 1);