Home/ Manual/ xdiff / functions/ xdiff_file_bdiff

xdiff_file_bdiff

PHP function Edit on GitHub ✎

(PECL xdiff >= 1.5.0)

Make binary diff of two files

Description

xdiff_file_bdiff(string $old_file, string $new_file, string $dest): bool

Makes a binary diff of two files and stores the result in a patch file. This function works with both text and binary files. Resulting patch file can be later applied using xdiff_file_bpatch()/xdiff_string_bpatch().

Parameters

old_file: Path to the first file. This file acts as "old" file.
new_file: Path to the second file. This file acts as "new" file.
dest: Path of the resulting patch file. Resulting file contains differences between "old" and "new" files. It is in binary format and is human-unreadable.

Return Values

Success

Examples

xdiff_file_bdiff() example

The following code makes binary diff of two archives.

php

<?php
$old_version = 'my_script_1.0.tgz';
$new_version = 'my_script_1.1.tgz';

xdiff_file_bdiff($old_version, $new_version, 'my_script.bdiff');
?>

Notes

Note

Both files will be loaded into memory so ensure that your memory_limit is set high enough.