Answer by birgire for How to delete transients written by fetch_feed()?
This data should be automatically deleted after 12 hours, that's the default feed cache TTL.So this kind of house cleaning, for data added by the WordPress transients API, might be unnecessary.But...
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I'm using fetch_feed() to cache external rss sources displayed in a widget. in case the widget (or, more likely, the whole plugin) is deleted/deactivated, i want to manually delete all related...
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