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What are Wikipedia's sister projects?
Wikipedia is part of a family of projects run by the Wikimedia Foundation. These include Wiktionary, a free dictionary; Wikibooks, for open-content textbooks; and Wikimedia Commons, a media repository for images and other files. These sister projects also rely on similar underlying systems, which is why some were pulled offline when the PHP flaws were found.
Stories that explain this
Websites worldwide go offline after two serious flaws found in PHPQuestions this opens up
What is the Wikimedia Foundation? What is open-content? What is PHP?Related explainers
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