xdiff_string_rabdiff

(PECL xdiff >= 1.5.0)

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

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xdiff_string_bdiff ( string $old_data , string $new_data ) : string

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.

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old_data

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

new_data

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

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

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