Variables demo

Extension demonstration (infobox template)

Variables
Documentation	on mediawiki.org
Maintained by WikiTeq?	No
Version

This wiki has the Variables extension installed, which adds the ability to store and use variables in the wikitext.

Code	Output	Explanation
{{#vardefine:foo|something}}		Set variable foo to the value something
{{#vardefineecho:bar|other}}	other	Set variable bar to the value other and print that value
{{#varexists:foo|yes|no}}	yes	Check if a variable is defined
{{#varexists:baz|yes|no}}	no
{{#var:foo}}	something	Retrieve the value of a variable
{{#vardefine:foo|changed}}		Set variable foo to the value changed, replacing previous value
{{#var:foo}}	changed	Retrieve the value of a variable

See also

• Loops demo

Foo, bar, or foobar are often used as placeholders in computing documentation. See wikipedia:Foobar.

Foo, bar, or foobar are often used as placeholders in computing documentation. See wikipedia:Foobar.