Phosphorum\Utils\Backup::generate PHP Method

    public function generate()
    {
        if (PHP_SAPI != 'cli') {
            throw new \Exception("This script only can be used in CLI");
        }
        $config = $this->config->get('database');
        system(sprintf('/usr/bin/mysqldump -u %s -h %s -p%s -r /tmp/phosphorum.sql %s', $config->username, $config->host, $config->password, $config->dbname));
        system('bzip2 -f /tmp/phosphorum.sql');
        $config = $this->config->get('dropbox');
        if (!$config instanceof Config) {
            throw new \Exception("Unable to retrieve Dropbox credentials. Please check Forum Configuration");
        }
        if (!$config->get('appSecret') || !$config->get('accessToken')) {
            throw new \Exception("Please provide correct 'appSecret' and 'accessToken' config values");
        }
        $sourcePath = '/tmp/phosphorum.sql.bz2';
        if (!file_exists($sourcePath)) {
            throw new \Exception("Backup could not be created");
        }
        $client = new Client($config->get('accessToken'), $config->get('appSecret'));
        $adapter = new DropboxAdapter($client, $config->get('prefix', null));
        $filesystem = new Filesystem($adapter);
        $dropboxPath = '/phosphorum.sql.bz2';
        if ($filesystem->has($dropboxPath)) {
            $filesystem->delete($dropboxPath);
        }
        $fp = fopen($sourcePath, "rb");
        $filesystem->putStream($dropboxPath, $fp);
        fclose($fp);
        @unlink($sourcePath);
    }

 public function run()
 {
     $backup = new Backup();
     $backup->generate();
 }