ilAssLacResultOfAnswerOfQuestionExpression.php

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<?php

class ilAssLacResultOfAnswerOfQuestionExpression extends ilAssLacAbstractExpression implements ilAssLacQuestionExpressionInterface
{
    public static $pattern = "/Q[0-9]+\\[[0-9]+\\]/";

    public static $identifier = "Qn[m]";

    protected $question_index;

    protected $answer_index;

    public function getPattern(): string
    {
        return '/(\d+)\[(\d+)\]/';
    }

    protected function setMatches($matches): void
    {
        $this->question_index = $matches[1][0];
        $this->answer_index = $matches[2][0];
    }

    public function getQuestionIndex(): int
    {
        return $this->question_index;
    }

    public function getAnswerIndex(): int
    {
        return $this->answer_index;
    }

    public function getValue(): string
    {
        return "Q" . $this->question_index . '[' . $this->answer_index . ']';
    }

    public function getDescription(): string
    {
        return "Frage " . $this->question_index . " mit Anwort " . $this->answer_index . " beantwortet ";
    }
}