WP_Filesystem_FTPext::is_writable()
Checks if a file or directory is writable.
Checks if a file or directory is writable.
Creates a directory.
Moves a file.
Gets the file modification time.
Gets the file owner.
Writes a string to a file.
Deletes a directory.
Gets the file size (in bytes).
Sets the access and modification times of a file.
WordPress Filesystem Class for implementing FTP Sockets.