Pierre-Alain Joye talks in his latest blog post about the latest incarnation of his Zip PECL extension (version 1.8.0) and some of it's newest features.
Zip 1.8.0 has just been released. It is now possible to create empty directory in an archive using the addEmptyDIr method.
He talks about some of the bug fixes he made to the latest distribution including an update to setComment, statName, included unicode support, and sme work being down with Zip archives with non-ascii filenames.