International PHP Conference Berlin 2023

Introduction

This module enables you to transparently read and write gzip (.gz) compressed files, through versions of most of the filesystem functions which work with gzip-compressed files (and uncompressed files, too, but not with sockets).

Note:

PHP comes with a fopen-wrapper for .gz-files. More information is available in the section about zlib://.

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Anon
3 years ago
This introduction is incomplete because it lacks the information that the module can be used to use HTTP gzip compression with the 'zlib.output_compression' and  'zlib.output_compression_level' configuration settings.

Please be aware that cross-site scripting should be disabled when using HTTP compression because of possible BREACH attacks.
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