private function MatchingQuestion::customShuffle in Quiz 8.5

Same name and namespace in other branches

1. 8.6 question_types/quiz_matching/src/Plugin/quiz/QuizQuestion/MatchingQuestion.php \Drupal\quiz_matching\Plugin\quiz\QuizQuestion\MatchingQuestion::customShuffle()
2. 6.x question_types/quiz_matching/src/Plugin/quiz/QuizQuestion/MatchingQuestion.php \Drupal\quiz_matching\Plugin\quiz\QuizQuestion\MatchingQuestion::customShuffle()

Shuffles an array, but keep the keys.

Parameters

array $array: Array to be shuffled

Return value

array A shuffled version of the array with keys preserved.

1 call to MatchingQuestion::customShuffle()

MatchingQuestion::getAnsweringForm in question_types/quiz_matching/src/Plugin/quiz/QuizQuestion/MatchingQuestion.php

Implementation of getAnsweringForm().

File

question_types/quiz_matching/src/Plugin/quiz/QuizQuestion/MatchingQuestion.php, line 98

Matching classes.

Class

MatchingQuestion

@QuizQuestion ( id = "matching", label = Plugin annotation @Translation("Matching question"), handlers = { "response" = "\Drupal\quiz_matching\Plugin\quiz\QuizQuestion\MatchingResponse" } )

Namespace

Drupal\quiz_matching\Plugin\quiz\QuizQuestion

Code

private function customShuffle(array $array = array()) {
  $new_array = array();
  while (count($array)) {
    $element = array_rand($array);
    $new_array[$element] = $array[$element];
    unset($array[$element]);
  }
  return $new_array;
}