CLV. xdiff Functions

简介

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

需求

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

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

安装

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:
例子 1. xdiff install by hand
gunzip xdiff-xxx.tgz tar -xvf xdiff-xxx.tar cd xdiff-xxx phpize ./configure && make && make install

预定义常量

以下常量由本扩展模块定义，因此只有在本扩展模块被编译到 PHP 中，或者在运行时被动态加载后才有效。

XDIFF_PATCH_NORMAL (integer)
XDIFF_PATCH_REVERSE (integer)

目录
xdiff_file_diff_binary -- Make binary diff of two files
xdiff_file_diff -- Make unified diff of two files
xdiff_file_merge3 -- Merge 3 files into one
xdiff_file_patch_binary -- Patch a file with a binary diff
xdiff_file_patch -- Patch a file with an unified diff
xdiff_string_diff_binary -- Make binary diff of two strings
xdiff_string_diff -- Make unified diff of two strings
xdiff_string_merge3 -- Merge 3 strings into one
xdiff_string_patch_binary -- Patch a string with a binary diff
xdiff_string_patch -- Patch a string with an unified diff