Shikiryu_Backup/app/code/Transport/Folder.php

<?php

namespace Shikiryu\Backup\Transport;

use Shikiryu\Backup\Backup\BackupAbstract;

class Folder extends TransportAbstract
{
	/**
	* Folder to backup
	*
	* @var string
	*/
	protected $folder;

	public function __construct(BackupAbstract $backup, array $config = array())
	{
		parent::__construct($backup, $config);

		if (!empty($this->folder)) {
			$this->folder = sprintf('%s/', rtrim($this->folder, '/'));
		}
	}

	/**
	* @return bool
	*
	* @throws \Exception
	*/
	public function send()
	{
		foreach ($this->backup->getFilesTobackup() as $file => $name) {
			if (copy($file, $this->folder . $name) === false) {
				throw new \Exception(sprintf('Copy of %s in %s failed', $name, $this->folder));
			};
		}
		foreach ($this->backup->getStreamsTobackup() as $name => $file) {
			if (count(explode('.', $name)) < 2) {
				$name = 'backup' . $name . '.txt';
			}
			if (file_put_contents($this->folder . $name, $file) === false) {
				throw new \Exception(sprintf('Saving of %s in %s failed', $name, $this->folder));
			}
		}
		return true;
	}
}