Manual:$wgVersion

From MediaWiki.org

General Settings: $wgVersion
MediaWiki version number.
Introduced in version:	1.2.0
Removed in version:	still in use
Allowed Values:	(string)
Default Value:	Current MediaWiki version - you shouldn't change this!

Other settings: Alphabetical | By Function

[edit] Details

The current version of MediaWiki (eg, "1.4.5"). You shouldn't need to set this option; it is used internally.

[edit] See Also

• Special:Version page for a MediaWiki installed in a website
• Upgrading