(PHP >= 5.3.0, PECL phar >= 2.0.0) Add an empty directory to the tar/zip archive

(PHP >= 5.3.0, PECL phar >= 2.0.0) Construct a tar or zip archive from an iterator.

(PHP >= 5.3.0, PECL phar >= 1.1.0) set the signature algorithm for a phar and apply it.

(PHP >= 5.3.0, PECL phar >= 2.0.0) Delete a file within a tar/zip archive