class.ilQTIPresentationMaterial.php

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<?php
 
declare(strict_types=1);
 
class ilQTIPresentationMaterial implements ilQTIFlowMatAware
{
    protected array $flow_mat = [];
 
    public function addFlowMat(ilQTIFlowMat $flow_mat): void
    {
        $this->flow_mat[] = $flow_mat;
    }
 
    public function getFlowMat(int $index): ?ilQTIFlowMat
    {
        return $this->flow_mat[$index] ?? null;
    }
}