WikiIndex:Parser functions

A parser function is a special kind of magic word that is most useful for templates.

List

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expr
coming soon.

if
Shows different values when entered. Let's say this is included in the template if example. If  is entered, '' will show up because value was specified, as 'WikiIndex'. makes '', because value is specified, as 'not WikiIndex'. makes just '' because it was left blank.
 * Code:
 * Example:

ifeq
coming soon.

ifexist
coming soon.

ifexpr
coming soon.

rel2abs
coming soon.

switch
Compares values. This is included in the template switch example. gives '' because a is entered. gives '', because the template was left blank. gives '', because d doesn't exist in the template.
 * Code:
 * Example:

time
coming soon.