class.BlockSessionRepository.php

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<?php

declare(strict_types=1);

namespace ILIAS\Block;

class BlockSessionRepository
{
    public const KEY_BASE = "block_";

    public function __construct()
    {
    }

    public function setNavPar(
        string $par,
        string $val
    ): void {
        \ilSession::set(self::KEY_BASE . $par, $val);
    }

    public function getNavPar(string $par): string
    {
        if (\ilSession::has(self::KEY_BASE . $par)) {
            return \ilSession::get(self::KEY_BASE . $par);
        }
        return "";
    }
}