private function DragDropQuestion::customShuffle in Quiz Drag Drop 7

Shuffles an array and makes sure the first element is the default element.

Parameters

array $array: Array to be shuffled

Return value

array A shuffled version of the array with $array['def'] = '' as the first element.

1 call to DragDropQuestion::customShuffle()

DragDropQuestion::getAnsweringForm in ./quiz_drag_drop.classes.inc

Generates the question form.

File

./quiz_drag_drop.classes.inc, line 232

Question type, enabling the creation of drag drop type of questions.

Class

DragDropQuestion

Extension of 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;
}