Highlight the difference between two strings in PHP

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Just wrote a class to compute smallest (not to be taken literally) number of edits to transform one string into another string:

http://www.raymondhill.net/finediff/

It has a static function to render a HTML version of the diff.

It’s a first version, and likely to be improved, but it works just fine as of now, so I am throwing it out there in case someone needs to generate a compact diff efficiently, like I needed.

Edit: It’s on Github now:
https://github.com/gorhill/PHP-FineDiff

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