From WoWWiki
WoWWiki has the ParserFunctions extension installed. These functions are useful for conditional support especially in templates.
See
ParserFunctions at
meta.wikimedia.org for more detailed info on how to use these features.
- This extension is enabled by default on Wikia.
ParserFunctions enhances the wiki parser with logic, time, and other misc functions.
See Extension:ParserFunctions on MediaWiki.org for information about the ParserFunctions extension.
See also the help page for syntax and examples of ParserFunctions functions