Attempts to unzip an archive using the PclZip library.

Attempts to unzip an archive using the ZipArchive class.

Handles PHP uploads in WordPress.

Copies a directory from one location to another via the WordPress Filesystem Abstraction.

Downloads a URL to a local temporary file using the WordPress HTTP API.

Gets the description for standard WordPress theme files.

Determines which method to use for reading, writing, modifying, or deleting files on the filesystem.

Gets the absolute filesystem path to the root of the WordPress installation.

Returns a listing of all files in the specified folder and all subdirectories up to 100 levels deep.

Displays a form to the user to request for their FTP/SSH details in order to connect to the filesystem.