class.ilTestStatistics.php

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<?php

declare(strict_types=1);

require_once './Modules/Test/classes/inc.AssessmentConstants.php';

class ilTestStatistics
{
    public $test_id;
    public $statistics;

    public function __construct($eval_data)
    {
        $this->statistics = null;
        $this->calculateStatistics($eval_data);
    }

    public function getStatistics(): ?object
    {
        return $this->statistics;
    }

    public function calculateStatistics($eval_data)
    {
        $median_array = [];

        foreach ($eval_data->getParticipantIds() as $active_id) {
            $participant = $eval_data->getParticipant($active_id);
            array_push($median_array, $participant->getReached());
        }

        $this->statistics = new ilStatistics();
        $this->statistics->setData($median_array);
    }
}