Extension:ExtraMagic

**MediaWiki extensions manual**
ExtraMagic; Release status: stable
Implementation	Parser extension
Description	Adds useful variables and parser functions
Author(s)	Aran Dunkley, Igor Absorto, Professional Wiki
Latest version	4.0.0 (2023-06-29)
Compatibility policy	For every MediaWiki release that is a Long Term Support release there is a corresponding branch in the extension.
PHP	>= 8.0
Database changes	No
License	GNU General Public License 2.0 or later
Download	GitHub: project page; git repository URL [help]; commit history; ; Note:; No localisation updates are; provided by translatewiki.net.
	Hooks used MagicWordwgVariableIDs; ParserGetVariableValueSwitch;

The ExtraMagic extension adds various variables and parser functions:

{{REQUEST:...}} -> gets a parameter from $_REQUEST
{{COOKIE:...}} -> gets a parameter from $_COOKIE
{{USERID:...}} -> either returns the current user's ID or the user ID of a user with the given name.
{{IFGROUP:...}} -> determines whether the current user is in a given group.
{{IFUSES:...}} -> determines if a page uses a specific template.
{{IFCAT:...}} -> determines if a page is in a specific category.
{{NEXT:...}} -> unclear
{{PREV:...}} -> unclear
{{OWNER:...}} -> determines who created a given page
{{PRIVATE:...}} -> returns a given value from $wgPrivateData if the current user is authorized to access it
{{CURRENTUSER}} -> the username of the current user
{{CURRENTPERSON}} -> the real name of the current user
{{CURRENTLANG}} -> the interface language of the current user
{{CURRENTSKIN}} -> the default skin of the current user
{{ARTICLEID}} -> the page ID of the current page
{{DOMAIN}} -> the domain name of the wiki
{{GUID}} -> a GUID based on the current time
{{USERPAGESELFEDITS}} -> a list of users who have edited their user page (?)

Installation

Download and place the file(s) in a directory called ExtraMagic in your extensions/ folder.
Add the following code at the bottom of your LocalSettings.php file:
```
wfLoadExtension( 'ExtraMagic' );
```
Done – Navigate to Special:Version on your wiki to verify that the extension is successfully installed.