bool isDirectory(string $directory) Determine if the given path is a directory

int prepend(string $path, string $data) Prepend to a file.

array directories(string $directory) Get all of the directories within

int append(string $path, string $data) Append to a file.

bool makeDirectory(string $path) Create a directory.

bool deleteDirectory(string $directory, bool $preserve = false) Recursively

bool isWritable(string $path) Determine if the given path is writable.

array files(string $directory) Get an array of all files in a directory

bool isReadable(string $path) Determine if the given path is readable.

static mixed __callStatic(string $method, array $parameters) Dynamically