xdiff_file_diff_binary -- Make binary diff of two files
( 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.
Path of the resulting file. Resulting file is in binary format.
Returns TRUE on success or FALSE on failure.
Example 1. xdiff_file_diff_binary() example
The following code makes binary diff of two archives.
$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');
Both files will be loaded into memory so ensure that your memory_limit is
set high enough.