HTML WARDen (a wiki)

HTML WARDen is a PHP wiki system. It uses HTML as the storage format.
Highlights:
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No dependencies other than PHP 7.x+
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Flat file storage
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Old versions of pages saved
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Extremely limited text format keeps things simple
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User logins
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TODO: File uploads
Scroll past the screenshot below for my "making of" HTML WARDen article series, The Wiki Weekend (and beyond!!!)

The Wiki Weekend …and beyond!
This was a weekend project. Here’s my write-up of the whole project with ideas, false-turns, screenshots, and even some live code demos!
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The Wiki Weekend Part 1: Motivation and Other Wikis
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The Wiki Weekend Part 2: The Page Editor Idea
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The Wiki Weekend Part 3: The Storage
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The Wiki Weekend Part 4: Users, Locking
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The Wiki Weekend Part 5: Finishing Touches, Conclusion
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(Beyond the weekend) Part 7: Store as HTML, Edit as LML (Yay!!!)

If you read all of that, you’ll know everything you need to build your own wiki system!
HTML WARDen is named after Ward Cunningham (wikipedia.org) creator of the original WikiWikiWeb (wikipedia.org).