class.ilTestSequenceFixedQuestionSet.php

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<?php

declare(strict_types=1);

class ilTestSequenceFixedQuestionSet extends ilTestSequence
{
    public function removeQuestion(int $question_id, ilTestReindexedSequencePositionMap $reindexedSequencePositionMap): void
    {
        foreach ($this->sequencedata['sequence'] as $key => $oldSequenceElement) {
            $newSequenceElement = $reindexedSequencePositionMap->getNewSequencePosition($oldSequenceElement);

            if ($newSequenceElement) {
                $this->sequencedata['sequence'][$key] = $newSequenceElement;
            } else {
                unset($this->sequencedata['sequence'][$key]);
            }
        }

        $this->sequencedata['sequence'] = array_values($this->sequencedata['sequence']);

        $this->sequencedata['postponed'] = $this->removeArrayValue($this->sequencedata['postponed'], $question_id);
        $this->sequencedata['hidden'] = $this->removeArrayValue($this->sequencedata['hidden'], $question_id);

        $this->optionalQuestions = $this->removeArrayValue($this->optionalQuestions, $question_id);

        $this->alreadyPresentedQuestions = $this->removeArrayValue($this->alreadyPresentedQuestions, $question_id);

        $this->alreadyCheckedQuestions = $this->removeArrayValue($this->alreadyCheckedQuestions, $question_id);
    }

    private function removeArrayValue(array $array, int $value): array
    {
        foreach ($array as $key => $val) {
            if ($val == $value) {
                unset($array[$key]);
            }
        }

        return $array;
    }
}