joomla/mod_api_40_5/helper.php

<?php
defined( '_JEXEC' ) or die( 'Restricted Access' );
class ModAPIHelper
{
   public function getRandomColor() { // return a random color
     return sprintf("#%02X%02X%02X",rand(0,255), rand(0,255), rand(0,255));
   }

   public function getUserName($gastName)  { // return user name, $gastName for name of not logged in user
        $user = JFactory::getUser();
        if ($user->id == 0)
        {
           return array($gastName, 'keine Infos');
        } else {
           return array($user->username, 'lastvisit=' . $user->lastvisitDate . ' email=' . $user->email);
        }
   }
}   
?>