/** * {@inheritDoc} */ public function getActivities() { if (!isset($this->activities)) { $this->activities = $this->activityMapper->findUserActivities($this->getId()); $this->activities = iterator_to_array($this->activities); foreach ($this->activities as $activity) { $this->activitiesBySite[$activity->getSiteId()] = $activity; } } return $this->activities; }