function quiz_jump_to in Quiz 7.4

Same name and namespace in other branches

1. 8.4 quiz.module \quiz_jump_to()
2. 6.4 quiz.module \quiz_jump_to()
3. 7 quiz.module \quiz_jump_to()

Set the current session to jump to a specific question number

Parameters

int $question_num: The question number we want to jump to

Related topics

1 call to quiz_jump_to()

quiz_take_quiz in ./quiz.module

Handles quiz taking.

File

./quiz.module, line 2333

Quiz Module

Code

function quiz_jump_to($question_num, $quiz, $rid) {
  $num_next = count($_SESSION['quiz_' . $quiz->nid]['quiz_questions']);
  $num_previous = count($_SESSION['quiz_' . $quiz->nid]['previous_quiz_questions']);
  if ($question_num > $num_next + $num_previous + 1) {

    // Trying to jump too far. We allow skipping all questions because of jQuery countdown...
    return;
  }
  if ($question_num <= $num_previous) {
    for ($i = 0; $i < $num_previous - $question_num + 1; $i++) {
      array_unshift($_SESSION['quiz_' . $quiz->nid]['quiz_questions'], array_pop($_SESSION['quiz_' . $quiz->nid]['previous_quiz_questions']));
    }
  }
  elseif ($question_num > $num_previous + 1) {
    for ($i = 0; $i < $question_num - $num_previous - 1; $i++) {
      $_SESSION['quiz_' . $quiz->nid]['previous_quiz_questions'][] = array_shift($_SESSION['quiz_' . $quiz->nid]['quiz_questions']);
    }
    _quiz_cleanup_after_jumping($quiz, $rid);
  }
}