class.ilQTIFlowMat.php

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<?php

declare(strict_types=1);

class ilQTIFlowMat implements ilQTIMaterialAware
{
    public ?string $comment = null;
    public array $flow_mat = [];
    public array $material = [];

    public function setComment(string $a_comment): void
    {
        $this->comment = $a_comment;
    }

    public function getComment(): ?string
    {
        return $this->comment;
    }

    public function addFlowMat(ilQTIFlowMat $a_flow_mat): void
    {
        $this->flow_mat[] = $a_flow_mat;
    }

    public function addMaterial(ilQTIMaterial $material): void
    {
        $this->material[] = $material;
    }

    public function getMaterial(int $index): ?ilQTIMaterial
    {
        return $this->material[$index] ?? null;
    }
}