Pimcore\Backup::getArchive PHP Метод

    protected function getArchive()
    {
        // if already initialized, just return the handler
        if ($this->zipArchive) {
            return $this->zipArchive;
        }
        $this->zipArchive = new \ZipArchive();
        if (!is_file($this->getBackupFile())) {
            $zipState = $this->zipArchive->open($this->getBackupFile(), \ZipArchive::CREATE);
        } else {
            $zipState = $this->zipArchive->open($this->getBackupFile());
        }
        if ($zipState === true) {
            return $this->zipArchive;
        } else {
            throw new \Exception("unable to create zip archive");
        }
    }