private function MatchingQuestion::remove_repeated in Quiz 7.4

1 call to MatchingQuestion::remove_repeated()

MatchingQuestion::getAnsweringForm in question_types/matching/matching.classes.inc

Implementation of getAnsweringForm

File

question_types/matching/matching.classes.inc, line 249

matching.classes

Class

MatchingQuestion

Extension of QuizQuestion.

Code

private function remove_repeated(&$form) {
  foreach ($form as $index => &$question) {
    if (isset($question['tries[' . $index . ']']['#options'])) {
      $question['tries[' . $index . ']']['#options'] = array_unique($question['tries[' . $index . ']']['#options']);
    }
  }
}