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# LXIX. LZF Functions

# Introduction

LZF is a very fast compression algorithm, ideal for saving space with only slight speed cost. It can be optimized for speed or space at the time of compilation.

# Installation

This PECL extension is not bundled with PHP. Additional information such as new releases, downloads, source files, maintainer information, and a CHANGELOG, can be located here: http://pecl.php.net/package/lzf.

In order to use these functions you must compile PHP with lzf support by using the --with-lzf[=DIR] configure option. You may also pass --enable-lzf-better-compression to optimize LZF for space rather then speed.

Windows users will enable `php_lzf.dll` inside of `php.ini` in order to use these functions. You may download this PECL extension DLL from the PHP Downloads page or at http://snaps.php.net/.

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