PhpOffice\PhpPresentation\Reader\PowerPoint97::loadRecordHeader PHP Метод

    private function loadRecordHeader($stream, $pos)
    {
        $rec = self::getInt2d($stream, $pos);
        $recType = self::getInt2d($stream, $pos + 2);
        $recLen = self::getInt4d($stream, $pos + 4);
        //         var_export(array(
        //             'recVer' => ($rec >> 0) & bindec('1111'),
        //             'recInstance' => ($rec >> 4) & bindec('111111111111'),
        //             'recType' => $recType,
        //             'recLen' => $recLen,
        //         ));
        //         echo EOL;
        return array('recVer' => $rec >> 0 & bindec('1111'), 'recInstance' => $rec >> 4 & bindec('111111111111'), 'recType' => $recType, 'recLen' => $recLen);
    }