# xdiff_file_diff_binary

(PECL xdiff:0.2-1.4)

xdiff_file_diff_binary — Make binary diff of two files

### Description

bool xdiff_file_diff_binary ( string `$file1` , string `$file2` , string `$dest` )

Makes a binary diff of two files and stores the result in a file. This function works with both text and binary files.

### Parameters

`file1`

`file2`

`dest`

  Path of the resulting file. Resulting file is in binary format.

### Return Values

Returns `TRUE` on success or `FALSE` on failure.

### Examples

Example#1 xdiff_file_diff_binary() example

The following code makes binary diff of two archives.

`<?php
$old_version = 'my_script_1.0.tgz';
$new_version = 'my_script_1.1.tgz';
xdiff_file_diff_binary($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_string_diff_binary()