WordPress Get / Check User Roles

<?php

// functions.php

function imnobby_check_user_roles(){
 
 $user_id = get_current_user_id();
 $user_info = get_userdata( $user_id );
 //$user_roles = implode(', ', $user_info->roles);
 $user_roles = $user_info->roles;
 
 return $user_roles; // array
 
}