src/FACTFinder/Data/CampaignIterator.php
public function getAdvisorTree()
    {
        $advisorTree = array();
        foreach ($this as $campaign)
            if ($campaign->hasAdvisorTree())
                foreach ($campaign->getAdvisorTree() as $question)
                    $advisorTree[] = $question;

        return $advisorTree;
    }
public function getAdvisorTree()
    {
        $advisorTree = array();
        foreach ($this as $campaign)
            if ($campaign->hasAdvisorTree())
                foreach ($campaign->getAdvisorTree() as $question)
                    $advisorTree[] = $question;

        return $advisorTree;
    }
Returns an array with the root questions of the advisor trees from all
campaigns.

@see Campaign::getAdvisorTree()
@return Record[]