HeaderBasedDeliveryHelper.php

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<?php

declare(strict_types=1);

namespace ILIAS\FileDelivery\FileDeliveryTypes;

/******************************************************************************
 *
 * This file is part of ILIAS, a powerful learning management system.
 *
 * ILIAS is licensed with the GPL-3.0, you should have received a copy
 * of said license along with the source code.
 *
 * If this is not the case or you just want to try ILIAS, you'll find
 * us at:
 *      https://www.ilias.de
 *      https://github.com/ILIAS-eLearning
 *
 *****************************************************************************/
trait HeaderBasedDeliveryHelper
{
    protected function sendFileUnbufferedUsingHeaders(\Closure $closure): void
    {
        ignore_user_abort(true);
        set_time_limit(0);
        ob_start();

        $closure();

        ob_flush();
        ob_end_flush();
        flush();
    }
}