public FileSystemInterface::chmod($uri, $mode = NULL)

public FileSystemInterface::validScheme($scheme)

public FileSystemInterface::dirname($uri)

public FileSystemInterface::realpath($uri)

public FileSystemInterface::rmdir($uri, $context = NULL)

public FileSystemInterface::basename($uri, $suffix = NULL)

public FileSystemInterface::unlink($uri, $context = NULL)

Provides an interface for helpers that operate on files and stream wrappers. Hierarchy interface

public FileSystemInterface::moveUploadedFile($filename, $uri)

public FileSystemInterface::mkdir($uri, $mode = NULL, $recursive