Manuale PHP
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# CLX. xdiff Functions

# Introduzione

xdiff extension creates and applies patches to both text and binary files.

# Requisiti

To use xdiff, you will need libxdiff installed, available on the libxdiff homepage http://www.xmailserver.org/xdiff-lib.html.

> Nota: You'll need at least libxdiff 0.7 for these functions to be aware of memory_limit.

# Installazione

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

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

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

Esempio 1. xdiff install by hand

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

# Costanti predefinite

Queste costanti sono definite da questa estensione e sono disponibili solo se l'estensione è stata compilata nel PHP o se è stata caricata dinamicamente a runtime.

`XDIFF_PATCH_NORMAL` (integer)

`XDIFF_PATCH_REVERSE` (integer)

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xattr_supported | Risali | xdiff_file_diff_binary