zlib(3) - phpMan
Compress::Raw::Zlib (3pm) - Low-Level Interface to zlib compression library Compress::Zlib (3pm) - Interface to zlib compression library IO::Uncompress::AnyInflate (3pm) - Uncompress zlib-based (zip, gzip) file/buffer IO::Zlib (3pm) - IO:: style interface to Compress::Zlib