Manual:WANObjectCache.php

Details
A MediaWiki interface for 1>Special:MyLanguage/Manual:Caching|object caching.

Use WANObjectCache in your code
See the [https://doc.wikimedia.org/mediawiki-core/master/php/classWANObjectCache.html Doxygen: mediawiki/WANObjectCache.], which contains a class overview, method use cases and examples, and parameter documentation.