public function getValues() { $formValues = parent::getValues(); $modelValues = array(); foreach ($formValues as $formValue) { $expression = new ilAssQuestionSolutionComparisonExpression(); $expression->setExpression($formValue->getAnswertext()); $expression->setPoints($formValue->getPoints()); $expression->setOrderIndex($formValue->getOrder() + 1); $modelValues[] = $expression; } return $modelValues; }