".print_r($tabTp)."db->prepare($query);
        $result = $query->execute();
        //$nbTpRow = $result->fetchArray(SQLITE3_NUM);
        $i = 0;
        while ($chapitre = $result->fetchArray(SQLITE3_NUM)){
            $questionQuery = 'SELECT chapitre,numDemo,description,reponse FROM Demonstration WHERE chapitre = ? ORDER BY numDemo';
            $questionQuery = $this->db->prepare($questionQuery);
            $questionQuery->bindParam(1, $chapitre[0]);
            $questionResult = $questionQuery->execute();
            while($q = $questionResult->fetchArray()){
                $tabQuestions[] = new Question($q['chapitre'],$q['numDemo'],$q['description'],$q['reponse']);
            }
            $tabChapitre['chapitre'.$chapitre[0]] = $tabQuestions ;  
            unset($tabQuestions);
            $tabQuestions = array();            
        }
        
        //die("
".print_r($tabTp)."