/** * Get the answer from a particular user to this question, if any. * * @param Profile $profile * * @return Answer object or null */ function getAnswer(Profile $profile) { $a = new QnA_Answer(); $a->question_id = $this->id; $a->profile_id = $profile->id; $a->find(); if ($a->fetch()) { return $a; } else { return null; } }