xdiff Functions
PHP Manual

xdiff_file_bdiff

Make binary diff of two files

Description

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

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

Returns true on success or false on failure.

Examples

Example #1 xdiff_file_bdiff example

The following code makes binary diff of two archives. 

<?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.

See Also

  • xdiff_file_bpatch