: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
* @author Dmitry (dio) Levashov
* @author Alexey Sukhotin
protected function _unpack($path, $arc)
* Extract files from archive
* @param string $path archive path
* @param array $arc archiver command and arguments (same as in $this->archivers)
* @author Dmitry (dio) Levashov,
* @author Alexey Sukhotin
protected function _extract($path, $arc)
* Create archive and return its path
* @param string $dir target dir
* @param array $files files names list
* @param string $name archive name
* @param array $arc archiver options
* @author Dmitry (dio) Levashov,
* @author Alexey Sukhotin
protected function _archive($dir, $files, $name, $arc)