private function importQuestions(\SPSSReader $SPSS, Dataset $dataset)
 {
     $toFlush = array();
     foreach ($SPSS->variables as $var) {
         if ($var->isExtended) {
             continue;
         }
         $index = isset($SPSS->extendedNames[$var->shortName]) ? $SPSS->extendedNames[$var->shortName] : $var->name;
         // -- Split question id --
         $questionSplitted = explode(' ', mb_convert_encoding($var->label, 'UTF-8', 'ISO-8859-7'), 2);
         $questionSplitted[0] = rtrim($questionSplitted[0], '.');
         $tmpSplit = explode('.', $questionSplitted[0], 2);
         if ($tmpSplit[0] == '3') {
             $tmpSplit[0] = '9';
         } else {
             if ($tmpSplit[0] == '4') {
                 $tmpSplit[0] = '8';
             } else {
                 if ($tmpSplit[0] == '5') {
                     $tmpSplit[0] = '10';
                 } else {
                     if ($tmpSplit[0] == '6') {
                         $tmpSplit[0] = '12';
                     } else {
                         if ($tmpSplit[0] == '7') {
                             $tmpSplit[0] = '13';
                         } else {
                             if ($tmpSplit[0] == '8') {
                                 $tmpSplit[0] = '19';
                             } else {
                                 if ($tmpSplit[0] == '9') {
                                     $tmpSplit[0] = '23';
                                 } else {
                                     if ($tmpSplit[0] == '10') {
                                         $tmpSplit[0] = '24';
                                     } else {
                                         if ($tmpSplit[0] == '11') {
                                             $tmpSplit[0] = '25';
                                         } else {
                                             if ($tmpSplit[0] == '12') {
                                                 $tmpSplit[0] = '36';
                                             } else {
                                                 if ($tmpSplit[0] == '13') {
                                                     $tmpSplit[0] = '37';
                                                 } else {
                                                     if ($tmpSplit[0] == '14') {
                                                         $tmpSplit[0] = '38';
                                                     } else {
                                                         if ($tmpSplit[0] == '15') {
                                                             $tmpSplit[0] = '53';
                                                         } else {
                                                             if ($tmpSplit[0] == '16') {
                                                                 $tmpSplit[0] = '56';
                                                             }
                                                         }
                                                     }
                                                 }
                                             }
                                         }
                                     }
                                 }
                             }
                         }
                     }
                 }
             }
         }
         // C
         $questionSplitted[0] = implode('.', $tmpSplit);
         // -----------------------
         $allQuestions = $this->doctrine->getRepository('AppBundle\\Entity\\Question')->findAll();
         foreach ($allQuestions as $curQuestion) {
             $this->allQuestions[$curQuestion->getQuestionId()] = $curQuestion;
         }
         $allAnswers = $this->doctrine->getRepository('AppBundle\\Entity\\Answer')->findAll();
         foreach ($allAnswers as $curAnswer) {
             $this->allAnswers[$curAnswer->getQuestion()->getQuestionId() . '_' . $curAnswer->getAnswerId()] = $curAnswer;
         }
         if (!isset($this->allQuestions[$questionSplitted[0]])) {
             $question = new Question();
             $question->setQuestionId($questionSplitted[0]);
             $question->setQuestion($questionSplitted[1]);
             $question->setDataset($dataset);
             $this->allQuestions[$questionSplitted[0]] = $question;
         } else {
             $question = $this->allQuestions[$questionSplitted[0]];
             $question->getAnswers()->clear();
         }
         if (!$this->isDimension($question->getQuestionId())) {
             $this->doctrine->getManager()->persist($question);
             $toFlush[] = $question;
             $this->questions[$index] = $question;
         } else {
             $this->dimensions[$index] = $question;
         }
         foreach ($var->valueLabels as $lkey => $lval) {
             if (!isset($this->allAnswers[$questionSplitted[0] . '_' . $lkey])) {
                 $answer = new Answer();
                 $answer->setAnswerId($lkey);
                 $this->allAnswers[$questionSplitted[0] . '_' . $lkey] = $answer;
             } else {
                 $answer = $this->allAnswers[$questionSplitted[0] . '_' . $lkey];
             }
             $answer->setAnswer(mb_convert_encoding($lval, 'UTF-8', 'ISO-8859-7'));
             $answer->setQuestion($question);
             $question->getAnswers()->add($answer);
             if (!$this->isDimension($question->getQuestionId())) {
                 $this->doctrine->getManager()->persist($answer);
                 $toFlush[] = $answer;
             }
         }
     }
     if (count($toFlush) > 0) {
         $this->doctrine->getManager()->flush($toFlush);
     }
 }