private function MultichoiceResponse::orderAlternatives in Quiz 8.4

Order the alternatives according to the choice order stored in the database

Parameters

array $alternatives: The alternatives to be ordered

1 call to MultichoiceResponse::orderAlternatives()

MultichoiceResponse::getReportFormResponse in question_types/multichoice/lib/Drupal/multichoice/MultichoiceResponse.php

Implementation of getReportFormResponse

File

question_types/multichoice/lib/Drupal/multichoice/MultichoiceResponse.php, line 255

Class

MultichoiceResponse

Extension of QuizQuestionResponse

Namespace

Drupal\multichoice

Code

private function orderAlternatives(array &$alternatives) {
  if (!$this->question->choice_random) {
    return;
  }
  $result = db_query('SELECT choice_order FROM {quiz_multichoice_user_answers}
            WHERE result_id = :result_id AND question_nid = :question_nid AND question_vid = :question_vid', array(
    ':result_id' => $this->rid,
    ':question_nid' => $this->question
      ->id(),
    ':question_vid' => $this->question
      ->getRevisionId(),
  ))
    ->fetchField();
  if (!$result) {
    return;
  }
  $order = explode(',', $result);
  $newAlternatives = array();
  foreach ($order as $value) {
    foreach ($alternatives as $alternative) {
      if ($alternative['id'] == $value) {
        $newAlternatives[] = $alternative;
        break;
      }
    }
  }
  $alternatives = $newAlternatives;
}