/**
  * Return the activities as array with objects.
  *
  * <code>
  * $options = array(
  *     "ids" => array(1,2,3,4,5)
  * );
  *
  * $activities   = new Gamification\Activity\Activities(\JFactory::getDbo());
  * $activities->load($options);
  *
  * $activities = $activities->getActivities();
  * </code>
  *
  * @return array
  */
 public function getActivities()
 {
     $results = array();
     $i = 0;
     foreach ($this->items as $item) {
         $activity = new Activity($this->db);
         $activity->bind($item);
         $results[$i] = $activity;
         $i++;
     }
     return $results;
 }