(PECL xdiff >= 1.5.0)
xdiff_string_bdiff — Make binary diff of two strings
xdiff_string_bdiff ( string $old_data , string $new_data ) : string
First string with binary data. It acts as "old" data.
Second string with binary data. It acts as "new" data.
Returns string with binary diff containing differences between "old" and "new" data or
false if an internal error occurred.
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