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This variable is normally set by the MediaWiki installer, but may need to be adjusted after your LocalSettings.php is generated.
The base URL of the server, including protocol but without the trailing slash and without the subdirectory if any (e.g.,
//www.mediawiki.org）。 This is used for supporting both HTTP and HTTPS with the same caches by using links that work under both protocols. When doing this,
$wgCanonicalServer can be used to set the full URL including protocol that will be used in locations such as emails that do not support protocol relative URLs. If the URL starts with https://, MediaWiki will assume that your wiki prefers the HTTPS protocol or supports it exclusively.
The setting to this configuration parameters is used when producing fully-qualified URLs pointing to the wiki, for instance:
- HTTP redirects on edit and to canonical URL spellings
- print footer
- links to articles from RSS/Atom feeds
- links to articles from notification e-mails
- and more!
$wgServeris not set to
//localhost! If it is, a number of things will break, e.g. links inside your wiki will not work, stylesheets will not display properly and many more. Set it to the actual base URL instead!
MediaWiki formerly tried to autodetect the name of the server, however this was vulnerable to cache poisoning attacks, and informally deprecated in 1.18. It was fully removed in MediaWiki 1.34.