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

    private function readRecordSlideProgTagsContainer($stream, $pos)
    {
        $arrayReturn = array('length' => 0);
        $data = $this->loadRecordHeader($stream, $pos);
        if ($data['recVer'] == 0xf && $data['recInstance'] == 0x0 && $data['recType'] == self::RT_PROGTAGS) {
            // Record Header
            $arrayReturn['length'] += 8;
            // Length
            $arrayReturn['length'] += $data['recLen'];
        }
        return $arrayReturn;
    }