class.ItemSessionRepository.php

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<?php

declare(strict_types=1);

namespace ILIAS\Container\Content;

class ItemSessionRepository
{
    protected const KEY_BASE = "cont_item";

    public function __construct()
    {
    }

    public function setExpanded(int $id, int $val): void
    {
        \ilSession::set(self::KEY_BASE . "_" . $id . "_expanded", $val);
    }

    public function getExpanded(int $id): ?int
    {
        if (\ilSession::has(self::KEY_BASE . "_" . $id . "_expanded")) {
            return \ilSession::get(self::KEY_BASE . "_" . $id . "_expanded");
        }
        return null;
    }
}