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(string $expression): array;
 
    public function getExpressionTypes(): array;
 
    public function getUserQuestionResult(int $active_id, int $pass): ilUserQuestionResult;
 
    public function getAvailableAnswerOptions(?int $index = null);
}