PECL xdiff >= 0.2.0
xdiff_string_diff_binary - Alias of xdiff_string_bdiff
xdiff_string_bdiff( string$old_data, string$new_data ): string
Makes a binary diff of two strings and returns the result. This function works with both text and binary data. Resulting patch can be later applied using xdiff_string_bpatch/xdiff_file_bpatch.
Starting with version 1.5.0 this function is an alias of xdiff_string_bdiff.
First string with binary data. It acts as "old" data.
Second string with binary data. It acts as "new" data.
Returns string with result or false if an internal error happened.