Vendor/phpspreadsheet/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Xls.php
private function readObjectProtect()
    {
        $length = self::getUInt2d($this->data, $this->pos + 2);
        $recordData = $this->readRecordData($this->data, $this->pos + 4, $length);

        // move stream pointer to next record
        $this->pos += 4 + $length;

        if ($this->readDataOnly) {
            return;
        }

        // offset: 0; size: 2;

        // bit: 0, mask 0x01; 1 = objects are protected
        $bool = (0x01 & self::getUInt2d($recordData, 0)) >> 0;

        $this->phpSheet->getProtection()->setObjects((bool) $bool);
    }
private function readObjectProtect()
    {
        $length = self::getUInt2d($this->data, $this->pos + 2);
        $recordData = $this->readRecordData($this->data, $this->pos + 4, $length);

        // move stream pointer to next record
        $this->pos += 4 + $length;

        if ($this->readDataOnly) {
            return;
        }

        // offset: 0; size: 2;

        // bit: 0, mask 0x01; 1 = objects are protected
        $bool = (0x01 & self::getUInt2d($recordData, 0)) >> 0;

        $this->phpSheet->getProtection()->setObjects((bool) $bool);
    }
OBJECTPROTECT.