Compression: AlfaZoneSoft Zip Lib
Zoltan Szegedi (contact me)
This class can be used to generate archives of files in the ZIP format.
It can add multiple directories and files to the archive. The files are compressed with the zlib library extension.
The resulting ZIP archive is generated in memory. It can be stored in a server side file or served for download. The class generates the appropriate HTTP headers for serving the file.
Click here for detailed information about this class on phpclasses.org
Php Handleiding