xdiff Functions
PHP Manual

xdiff_string_rabdiff

Make binary diff of two strings using the Rabin's polynomial fingerprinting algorithm

Description

string xdiff_string_bdiff(string $old_data, string $new_data)

Makes a binary diff of two strings and returns the result. The difference between this function and xdiff_string_bdiff is different algorithm used which should result in faster execution and smaller diff produced. This function works with both text and binary data. Resulting patch can be later applied using xdiff_string_bpatch/xdiff_file_bpatch.

For more details about differences between algorithm used please check » libxdiff website.

Parameters

old_data

First string with binary data. It acts as "old" data.

new_data

Second string with binary data. It acts as "new" data.

Return Values

Returns string with binary diff containing differences between "old" and "new" data or false if an internal error occurred.

See Also

  • xdiff_string_bpatch