Hi,
I while ago I wrote a PHP class that returned the diff of two text documents. It had fundamental flaws so it was dropped. I'm in need of some kind of php diff function for an project that has wiki-like functionality.
What would be the best method for determining the difference between new (submitted) and old (currently stored) versions so that it stores only the changes and provides the ability to revert to an older state?
Track changes to a document stored in an SQL database
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