+ if ($this->isEnded()) { // if the survey is ended, then adds here the number of votes
+ $sql = 'SELECT COUNT(id)
+ FROM survey_votes
+ WHERE survey_id={?};';
+ $tot = XDB::query($sql, $this->id);
+ $a['votes'] = $tot->fetchOneCell();
+ }
+ if ($i == 'all' && count($this->questions) > 0) { // if the whole survey is requested, then returns all the questions converted to array