interface.iQuestionCondition.php

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<?php
interface iQuestionCondition
{
    public const StringResultExpression = '~TEXT~';
    public const PercentageResultExpression = '%n%';
    public const NumericResultExpression = '#n#';
    public const MatchingResultExpression = ';n:m;';
    public const OrderingResultExpression = '$n,m,o,p$';
    public const NumberOfResultExpression = '+n+';
    public const ExclusiveResultExpression = '*n,m,o,p*';
    public const EmptyAnswerExpression = "?";

    public function getOperators($expression): array;

    public function getExpressionTypes(): array;

    public function getUserQuestionResult($active_id, $pass): ilUserQuestionResult;

    public function getAvailableAnswerOptions($index = null);
}