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# xdiff_file_diff_binary

(PECL)

xdiff_file_diff_binary -- Make binary diff of two files

## Description

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

xdiff_file_diff_binary() makes binary diff of files file1 and file2 and stores result in file dest. This function works with both text and binary files. Resulting file is in binary format.

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

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

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'); ?>`

See also xdiff_string_diff_binary().

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