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Parser 2011/Core parser functions

< Parser 2011

Core parser functions

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Wiki information

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int

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ns

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nse

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numberofpages

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numberofusers

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numberofactiveusers

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numberofarticles

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numberoffiles

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numberofadmins

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numberingroup

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numberofedits

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#special

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?

pagesincategory

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pagesize

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protectionlevel

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namespace

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namespacee

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talkspace

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talkspacee

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subjectspace

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subjectspacee

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pagename

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pagenamee

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fullpagename

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fullpagenamee

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basepagename

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basepagenamee

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subpagename

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subpagenamee

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talkpagename

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talkpagenamee

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subjectpagename

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subjectpagenamee

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pagesinnamespace

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Linking and files

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localurl

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localurle

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fullurl

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fullurle

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filepath

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String manipulation

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urlencode

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{{urlencode:Nepean—Carleton (provincial electoral district)}} → Nepean%E2%80%94Carleton+%28provincial+electoral+district%29

lc

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{{lc:STRING SOMETHING}} → string something

lcfirst

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{{lcfirst:STRING SOMETHING}} → sTRING SOMETHING

uc

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{{uc:string something}} → STRING SOMETHING

ucfirst

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{{ucfirst:string something}} → String something

formatnum

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grammar

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gender

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plural

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language

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padleft

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padright

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anchorencode

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#formatDate

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Page meta-info

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defaultsort

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Sets the default category sort key for this page to the given value; this will then be recorded instead of the page name as the sort key for any Category link on the page that does not specify a sort key.

Expected rendering: none

todo: specify the existence of the default sort key value in parse metadata where it can be saved and used

displaytitle

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Sets a string to override how the page title is displayed; there are some (specify me!) limits to what is acceptable for title usage.

Expected rendering: none.

todo: specify the existence of the default display title value in parse metadata where it can be saved and used

Transclusion

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#tag

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Extension:ParserFunctions

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Extension:ParserFunctions provides many useful functions for logical control and such, which are widely used in Wikipedia templates.

#if

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Usage: {{#if:cond|then-part|else-part}}

If the cond parameter is non-empty, expand this node to include the then-part parsed as wikitext. Otherwise, expand this node to include the else-part parameter parsed as wikitext.

Expect to do some shortcutting—code in the trimmed branches won't need to be evaluated in later parsing stages.

#ifeq

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Usage: {{#ifeq:left-cond|right-cond|then-part|else-part}}

If the left-cond and right-cond parameters expand to equal source text, expand this node to include the then-part parsed as wikitext. Otherwise, expand this node to include the else-part parameter parsed as wikitext.

Expect to do some shortcutting—code in the trimmed branches won't need to be evaluated in later parsing stages.

#switch

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Usage: {{#if:var|test1|case1|test2|case2|...|default-case}}

If the var param expands to match one of the test* parameters, expand this node to include the matching case* parameter. Otherwise, expand this node to include the final default-case part if present.

Expect to do some shortcutting—code in the trimmed branches won't need to be evaluated in later parsing stages.

#ifexist

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#ifexpr

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#iferror

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#expr

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#time

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#timel

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#rel2abs

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#titleparts

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#convert

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Extension:ParserFunctions string extensions

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If $wgPFEnableStringFunctions set...

#len

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#pos

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#rpos

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#sub

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#count

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#replace

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#explode

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#urldecode

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