@since: 2.5.0

Checks if a file or directory exists.

Checks if resource is a file.

Checks if resource is a directory.

Checks if a file is readable.

Checks if a file or directory is writable.

Gets the file’s last access time.

Gets the file modification time.

Gets the file size (in bytes).

Sets the access and modification times of a file.

Creates a directory.

Changes filesystem permissions.

Deletes a directory.

Gets the file owner.

Gets details for files in a directory or a specific file.

Gets the file’s group.