| Name | Description |
|---|---|
| DeflateFilter | Filter for deflate algorithm without any header or trailer. Filter mode is not currently supported. |
| GzipCompresionFilter | Gzip compression filter. |
| GzipUncompressionFilter | Filter for gzip uncompression algorithm. |
| InflateFilter | Filter for inflate algorithm without any header or trailer. |
| PhpZlibResource | |
| Zlib | Implements PHP functions provided by multi-byte-string extension. |
| ZlibFilter | Base for zlib filters. Contains generic algorithm for reading and writing into zlib stream. |