LearnDash Users Results - Hooks Usage

learndash-users-results-custom.php

<?php
/*
Plugin Name: LearnDash Users Results - Customization
Description: LearnDash Users Results - Customization
Author: X-Raym
Author URI: https://www.extremraym.com/
*/

// Chane user name display
add_filter( 'learndash_users_results_user_display', 'learndash_users_results_user_display', 10, 1 );

function learndash_users_results_user_display( $user_info ) {
    
    $name = $user_info->last_name . ' ' . $user_info->first_name;
    
    if ( $name === " " )
        $name = $user_info->display_name;
    
    return $name;

}