Pimcore\Backup::init PHP Метод

    public function init($options = [])
    {
        $this->setOptions($options);
        // create backup directory if not exists
        if (!is_dir(PIMCORE_BACKUP_DIRECTORY)) {
            if (!\Pimcore\File::mkdir(PIMCORE_BACKUP_DIRECTORY)) {
                Logger::err("Directory " . PIMCORE_BACKUP_DIRECTORY . " does not exists and cannot be created.");
                exit;
            }
        }
        $errors = [];
        $this->setFileAmount(0);
        // cleanup old backups
        if (is_file(PIMCORE_SYSTEM_TEMP_DIRECTORY . "/backup-dump.sql")) {
            unlink(PIMCORE_SYSTEM_TEMP_DIRECTORY . "/backup-dump.sql");
        }
        // get steps
        $steps = [];
        // get available tables
        $db = Db::get();
        $tables = $this->getTables();
        $steps[] = ["mysql-tables", $this->options['mysql-tables']];
        // tables
        foreach ($tables as $table) {
            $name = current($table);
            $type = next($table);
            if ($type != "VIEW") {
                $steps[] = ["mysql", ["name" => $name, "type" => $type]];
            }
        }
        // views
        foreach ($tables as $table) {
            reset($table);
            $name = current($table);
            $type = next($table);
            if ($type == "VIEW") {
                $steps[] = ["mysql", ["name" => $name, "type" => $type]];
            }
        }
        $steps[] = ["mysql-complete", null];
        if (!$options['only-mysql-related-tasks']) {
            // check files
            $currentFileCount = 0;
            $currentFileSize = 0;
            $currentStepFiles = [];
            // check permissions
            $filesIn = rscandir(PIMCORE_DOCUMENT_ROOT . "/");
            clearstatcache();
            foreach ($filesIn as $fileIn) {
                if (!is_readable($fileIn)) {
                    $errors[] = $fileIn . " is not readable.";
                }
                if ($currentFileCount > 300 || $currentFileSize > 20000000) {
                    $currentFileCount = 0;
                    $currentFileSize = 0;
                    if (!empty($currentStepFiles)) {
                        $filesToBackup[] = $currentStepFiles;
                    }
                    $currentStepFiles = [];
                }
                if (file_exists($fileIn)) {
                    $currentFileSize += filesize($fileIn);
                    $currentFileCount++;
                    $currentStepFiles[] = $fileIn;
                }
            }
            if (!empty($currentStepFiles)) {
                $filesToBackup[] = $currentStepFiles;
            }
            $this->setFilesToBackup($filesToBackup);
            $fileSteps = count($filesToBackup);
            for ($i = 0; $i < $fileSteps; $i++) {
                $steps[] = ["files", ["step" => $i]];
            }
            $steps[] = ["complete", null];
        }
        if (!empty($errors)) {
            $steps = null;
        }
        return ["steps" => $steps, "errors" => $errors];
    }