Editing Help:Template (section)

=== Parser and Variable Functions ===
* '''<nowiki>{{AUTOINRCEMENT}}</nowiki>''' - A variable that increments by 1 each time used, see [[Help:Autoincrement]].

* '''<nowiki>#if:</nowiki>''' - <nowiki>{{#if: test string | value if true | value if false}}</nowiki>

* '''<nowiki>#ifeq:</nowiki>''' - <nowiki>{{#ifeq: string 1 | string 2 | value if true | value if false}}</nowiki> - Compares string 1 with string 2 to see if they are equal.

* '''<nowiki>#ifexist:</nowiki>''' - <nowiki>{{#ifexist: page title | value if exists | value if doesn't exist }}</nowiki>, can be used for articles or files (images).

* '''<nowiki>#expr:</nowiki>''' - <nowiki>{{#expr: expression }}</nowiki> - Mathematical operations. [http://www.mediawiki.org/wiki/Help:Extension:ParserFunctions#.23expr: Details]

* '''<nowiki>{{PAGESINCATEGORY}}</nowiki>''' - <nowiki>{{PAGESINCATEGORY:Page Name}}</nowiki> - Returns the number of pages in a category. Use <nowiki>{{PAGESINCATEGORY:Page Name|R}}</nowiki> for a number without commas.

* '''<nowiki>#switch:</nowiki>''' - <nowiki>{{#switch:comparison string | case=result | case=result | default result }}</nowiki> - This function compares one input value against several test cases, returning an associated string if a match is found. [http://www.mediawiki.org/wiki/Help:Extension:ParserFunctions#.23switch: Details]

* '''<nowiki>#titleparts:</nowiki>''' - <nowiki>{{#titleparts: pagename | number of segments to return | first segment to return }}</nowiki> - This function separates a pagetitle into segments based on slashes, then returns one or more of those segments as output. [http://www.mediawiki.org/wiki/Help:Extension:ParserFunctions#.23titleparts: Details]

* '''<nowiki>#vardefine</nowiki>''' - <nowiki>{{#vardefine: variablename | value }}</nowiki> - assigns variable, see [[Help:Variables]].

* '''<nowiki>#vardefineecho</nowiki>''' - <nowiki>{{#vardefineecho: variablename | value }}</nowiki> - assigns and prints variable, see [[Help:Variables]].

* '''<nowiki>#var</nowiki>''' - <nowiki>{{#var: variablename }}</nowiki> - prints current value, see [[Help:Variables]].