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# XLIX. LZF Functions

# Introdução

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.

# Instalação

LZF is currently available through PECL http://pecl.php.net/package/lzf.

If PEAR is available on your *nix-like system you can use the pear installer to install the LZF extension, by the following command: pear -v install lzf.

You can always download the tar.gz package and install LZF by hand:

Exemplo 1. LZF install by hand

    gunzip lzf-xxx.tgz
    tar -xvf lzf-xxx.tar
    cd lzf-xxx
    phpize
    ./configure && make && make install

You can pass `--enable-lzf-better-compression` to optimize LZF for space rather then speed.

Windows users can download the extension dll `php_lzf.dll` from http://snaps.php.net/win32/PECL_STABLE/.

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