Help:Variable

2005-11-07T08:33:48Z

83.230.163.206: /* Constant, only depending on the project and parameters */

This is a list of '''variables''' that can be used in the wikitext. The way they are rendered depends on the time, on the project, or on the page in which it occurs.

On the left is the variable, on the right how it is rendered at this time, in this project, on this page.

The names of the variables form part of the set of so-called "[[Help:Magic words|magic words]]" the system uses. [http://cvs.sourceforge.net/viewcvs.py/wikipedia/phase3/includes/MagicWord.php]

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==Varying with time==
{|
|-
|<nowiki>{{CURRENTMONTH}}</nowiki>
|{{CURRENTMONTH}}
|-
|<nowiki>{{CURRENTMONTHNAME}}</nowiki>
|{{CURRENTMONTHNAME}}
|-
|<nowiki>{{CURRENTMONTHABBREV}}</nowiki>
|{{CURRENTMONTHABBREV}}
|-
|<nowiki>{{CURRENTMONTHNAMEGEN}}</nowiki>
|{{CURRENTMONTHNAMEGEN}}
|-
|<nowiki>{{CURRENTWEEK}}</nowiki>
|{{CURRENTWEEK}}
|-
|<nowiki>{{CURRENTDAY}}</nowiki>
|{{CURRENTDAY}}
|-
|<nowiki>{{CURRENTDAYNAME}}</nowiki>
|{{CURRENTDAYNAME}}
|-
|<nowiki>{{CURRENTDOW}}</nowiki>
|{{CURRENTDOW}}
|-
|<nowiki>{{CURRENTYEAR}}</nowiki>
|{{CURRENTYEAR}}
|-
|<nowiki>{{CURRENTTIME}}</nowiki>
|{{CURRENTTIME}}
|-
|<nowiki>{{NUMBEROFARTICLES}}</nowiki>
|{{NUMBEROFARTICLES}}
|}

NUMBEROFARTICLES: number of pages in the main namespace which contain a link and are not a redirect, i.e. number of articles, stubs containing a link, and disambiguation pages.

This depends on system variable $wgUseCommaCount If true, article count will only include those with commas (","). If false, will only count those with links ("[["). The default set in [[Help:Configuration settings index|DefaultSettings.php]] is false, this can be changed in [[LocalSettings.php]]. See also [[Help:Article count]].

CURRENTWEEK is not supported in earlier versions of MediaWiki. It ranges from 1 to 54.

CURRENTDOW is the day of the week, Monday=1, etc.

CURRENTMONTHNAMEGEN: is the genitive grammatical form of the month name (used in Finnish).

==Depending on page==

{|
|<nowiki>{{NAMESPACE}}</nowiki>
|{{NAMESPACE}}
|-
|<nowiki>{{PAGENAME}}</nowiki>
|{{PAGENAME}}
|-
|<nowiki>{{PAGENAMEE}}</nowiki>
|{{PAGENAMEE}}
|}

PAGENAMEE displays the page title in the form that is used in URLs, i.e. with underscores for spaces, and escape codes for special characters, and is therefore used for constructing URLs. For example, on a page called "Grand café", PAGENAMEE would produce "Grand_caf%C3%A9". Do not use PAGENAMEE as the pagename in first part of the variable localurl, see above. See also [[Help:Page name#Variables PAGENAME and PAGENAMEE|<nowiki>Variables PAGENAME and PAGENAMEE</nowiki>]]

When used in a [[help:template|template]], these three variables refer to the page in which the template is included, not to the template page.

== Depending on revision ==

<nowiki>{{REVISIONID}}</nowiki> gives {{REVISIONID}}

REVISIONID displays a unique number identifying a version of a page in the set of all versions of all pages. In the URL the number can be referred to as "old_id<nowiki>=</nowiki>..", even when the version is still the current one. This can be useful on talk pages, and for citation in newspaper, scholar works, etc. When applying such a URL, at the top of the page the date and local time (if not logged in: UTC) are displayed, with a link to the previous version, and a link to the next version (unless at the time of loading the page there is no newer version: in that case the text "Newer revision" appears anyway, but it is not a link; if the version is the first, a link labeled "previous revision" appears anyway, but it leads to the same page)

The [[Help:Page history|page history]] page also uses such a URL.

In a preview the value of REVISIONID is 0.

==Examples of combinations==

<table>
<tr><td><nowiki>{{SERVER}}{{localurl:{{NAMESPACE}}:{{PAGENAME}}|</nowiki>action=edit<nowiki>}}</nowiki>
<td>{{SERVER}}{{localurl:{{NAMESPACE}}:{{PAGENAME}}|action=edit}}
<tr><td><nowiki>{{SERVER}}{{localurl:Special:Whatlinkshere|target={{NAMESPACE}}:{{PAGENAME}}}}</nowiki><td>{{SERVER}}{{localurl:Special:Whatlinkshere|target={{NAMESPACE}}:{{PAGENAME}}}}
<tr><td><nowiki>[[{{NAMESPACE}}:{{PAGENAME}}_1]]</nowiki>
<td>[[{{NAMESPACE}}:{{PAGENAME}}_1]]
<tr><td><nowiki>{{SERVER}}{{localurl:{{NAMESPACE}}:{{PAGENAME}}_1}}</nowiki>
<td>{{SERVER}}{{localurl:{{NAMESPACE}}:{{PAGENAME}}_1}}
<tr><td><nowiki>{{SERVER}}{{localurl:{{NAMESPACE}}:{{PAGENAME}}|oldid={{REVISIONID}}}}</nowiki>
<td> {{SERVER}}{{localurl:{{NAMESPACE}}:{{PAGENAME}}|oldid={{REVISIONID}}
</table>

As a link the last example is not useful in the page itself, but it gives useful info about the original in a paper or HTML copy of the page, and provides a link to that in the HTML copy. Also the rendered URL can be copied to the wikitext of this or another page, to refer to the version at the time of copying, e.g. http://meta.wikimedia.org/w/index.php?title=Help:Variable&oldid=178844 (For the latter purpose one can also use the link targets on the page history page).

As mentioned above, PAGENAME with single E has to be used within localurl, otherwise it does not work with special characters. For example, for a page named É we get <nowiki>{{localurl:É}}</nowiki>, which correctly gives {{localurl:É}} (with <nowiki>{{SERVER}}</nowiki> in front {{SERVER}}{{localurl:É}}, linking to the page É), while <nowiki>{{PAGENAMEE}}</nowiki> gives %C9, and <nowiki>{{localurl:%C9}}</nowiki> gives {{localurl:%C9}}, i.e. it is rendered unchanged, the function localurl is not applied. With <nowiki>{{SERVER}}</nowiki> in front it gives {{SERVER}}{{localurl:%C9}}, which is a dead link reported by the browser, the server is not even reached.

See also [[m:Template:UTC]].

In a template, for a link to a page which depends on a template parameter, the external link style is used even for internal links, to avoid that the system links to the edit page even if the page exists. To construct the external link, variables can also be useful.

==Variables in links==

Variables work also in links:

*<nowiki>[[a{{NAMESPACE}}b|c{{PAGENAME}}d]]</nowiki> gives [[a{{NAMESPACE}}b|c{{PAGENAME}}d]]

==See also==
*[[Help:Template#Images_in_templates|Images in templates]].
*[[Help:Template#subst]] - on applying "subst" to a variable or to a template using a variable
*[[Template:Wikivar]]

JonnyBWiki - User contributions [en]

Help:Variable