amiro-4

/**
 * Translate ID of in meta key for Classified Listing Pro custom field when duplicating.
 * 
 * @link wpmlsupp-11480
 */
add_action('icl_make_duplicate', function ($master_post_id, $lang, $post_array, $id) {
    global $wpdb;
 
    $all_rtcl_cf = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->postmeta where post_id = $master_post_id AND meta_key LIKE '\_field\_%'");
 
    if (!empty($all_rtcl_cf)) {
        foreach ($all_rtcl_cf as $meta_obj) {
            $meta_key_arr = explode('_', $meta_obj->meta_key);
            $rtcl_cf_id = apply_filters('wpml_object_id', $meta_key_arr[2], 'rtcl_cf', true, $lang);
 
            if (is_int($rtcl_cf_id) && $rtcl_cf_id !== $meta_key_arr[2]) {
                delete_post_meta($id, $meta_obj->meta_key);
                update_post_meta($id, '_field_' . $rtcl_cf_id, maybe_unserialize($meta_obj->meta_value));
            }
        }
    }
}, 10, 4);