( 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.
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.
$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().