get-user-roles.php

<?php
/**
 * Get the user's roles
 * @since 1.0.0
 */
function wcmo_get_current_user_roles() {
  if( is_user_logged_in() ) {
    $user = wp_get_current_user();
    $roles = ( array ) $user->roles;
    return $roles; // This returns an array
    // Use this to return a single value
    // return $roles[0];
  } else {
    return array();
  }
}