උදවු:Magic words

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"WP:MAGIC" මෙයට යළි යොමුවේ. the WikiProject සඳහා, Wikipedia:WikiProject Magic: The Gathering බලන්න.

සැකිල්ල:H:h උදවුThis is an organized index of Magic words used in MediaWiki.

A "magic word" is a symbol recognized by the MediaWiki software and which when seen in the non-commented text of the page, triggers the software to do something other than display that symbol, or transclude a page with that name, but instead to use the symbol directly. A magic word can be

an upper case word, preceded and followed by two underscores, e.g. __NOTOC__
an XML object, coded similar to HTML, preceded by "<" (and for the end tag "/") and followed by ">", as in <nowiki>...</nowiki>
a parser function: similar to a template, a word preceded by the symbols "{{" and followed by "}}", and optionally parameter definitions between pipe characters, except that the part before the first pipe (or without pipes, the text between the braces) contains a colon (":"), e.g. {{ns:3}} and {{#ifexpr:{{{1}}}>3|large|small}}
a variable: similar to a template without parameters, a word preceded by the symbols "{{" and followed by "}}", except the word used is in all upper case, e.g. {{CURRENTDAY}}
a template modifier
an image modifier

If a page in the template namespace has the same name as a magic word, the magic word will be invoked instead. If you discover you absolutely have to define a template with the same name as a magic word, prefix the name of the template with "msg:" or the name of the template namespace ("Template:"). See below for further details if you need this feature.

Tags which are used on this page such as "[MW1.5+]" indicate the version that first supported the magic word. "XYZ" indicates user input, which is used in the example.

[edit] Magic words between double underscores

[edit] Table of contents

For details see Help:Section

සැකිල්ල:H:TOC variables

[edit] Other

Word	Explanation
__NOEDITSECTION__	Hides the edit links beside headings.
__NEWSECTIONLINK__	[MW1.7+] Gives a "+"-link next to the edit-tab to make a new section on a non-talk page (post-a-comment feature).
__NOCONTENTCONVERT__ __NOCC__	Don't perform the content language conversion (character and phase) in article display; for example, Chinese zh with zh_cn, zh_tw, zh_sg, zh_hk.
__NOGALLERY__	[MW1.7+] This magic word allows images in category pages to be displayed as inline links instead of gallery.
__NOTITLECONVERT__ __NOTC__	Like __NOCC__ but affecting article title only.
__END__	Allows for trailing whitespace to be included in the page save (does not seem to work anymore).
__START__	This magic word has no effect but an ID in `MagicWord.php` (`MAG_START`).

[edit] XML-style tags

XML-style tags use the syntax <tag name>contents</tag name>. XML-style tags are frequently used by MediaWiki extensions; see Extending wiki markup for details on adding new tags.

[edit] Default

The following tags are available in a default MediaWiki installation.

parsing is the conversion of text markup and XHTML to formatting and structure like templates, links, formatting, line breaks, et cetera. Two tags affect parsing:
- nowiki disables parsing of all wiki syntax. For example, "<nowiki>'''[[{{tc}}]]'''</nowiki>" gives "'''[[{{tc}}]]'''".
- pre mimics nowiki above in a formatted box, and preserves new lines. For example, "<pre>'''[[{{tc}}]]'''</pre>" outputs as:
```
'''[[{{tc}}]]'''
```

transclusion is adding the content of one page to another using the {{...}} template syntax. Three tags affect transclusion:
- noinclude prevents text from appearing when the page is transcluded, so the text will only be visible on the current page. For example, "<noinclude>[[Category:Foo]]</noinclude>" will only categorize the template page.
- includeonly hides text on the current page, so that it will only appear when the page is transcluded. For example, "<includeonly>[[Category:Foo]]</includeonly>" will categorize all pages that tranclude the template, but not the template itself.
- onlyinclude hides all other text when the page is transcluded, so that only the text inside the onlyinclude tags will be shown. For example, "I am an <onlyinclude>apple</onlyinclude>." will output "apple" when transcluded.

math uses TeX markup to generate complex mathematics, usually in image form (see Help:Displaying a formula). For example, "<math>\sqrt{a^2+b^2}</math>" outputs as $\sqrt{a^2+b^2}$ .

[edit] Common extensions

hiero (WikiHiero extension) uses the Hieroglyph coding manual syntax to generate images of hieroglyphs. For example, "<hiero>A1</hiero>" outputs as

.

categorytree (CategoryTree extension) uses custom syntax to create a dynamic view of the category structure. See the extension page for examples.

[edit] Variables

For details see Help:Variable

[edit] Time

The time in UTC. Note that if the page was displayed by the same user and has not changed (has not been edited) since the last time it was displayed, it is possible that the page may be cached (by the user's browser) and the displayed time or date may not change. Also, if a heavily used page, rather than freshly rendered by the software each time it is generated, is instead being retrieved from a caching system (such as the main page on Wikipedia) the date or time may not change from the last time the page was originally retrieved by the caching hardware or software.

Word	Example	Explanation
{{CURRENTDAY}}	`23`	Displays the current day in numeric form.
{{CURRENTDAY2}}	`23`	[MW1.6+] Same as {{CURRENTDAY}}, but with leading zero (01 .. 31).
{{CURRENTDAYNAME}}	`සඳුදා`	Name of the day in the language of the project or English.
{{CURRENTDOW}}	`1`	Same as {{CURRENTDAYNAME}}, but as a number (0=Sunday, 1=Monday...).
{{CURRENTMONTH}}	`06`	The number 01 .. 12 of the month.
{{CURRENTMONTHABBREV}}	`ජූනි`	[MW1.5+] Same as {{CURRENTMONTH}}, but in abbreviated form (Jan .. Dec).
{{CURRENTMONTHNAME}}	`ජූනි`	Same as {{CURRENTMONTH}}, but in named form (January .. December).
{{CURRENTTIME}}	`23:22`	The current time (00:00 .. 23:59).
{{CURRENTHOUR}}	`23`	The current hour (00 .. 23).
{{CURRENTWEEK}}	`26`	Number of the current week (1-53) according to ISO 8601 with no leading zero.
{{CURRENTYEAR}}	`2008`	Returns the current year.
{{CURRENTTIMESTAMP}}	`20080623233002`	[MW1.7+] ISO 8601 time stamp.

[edit] Local time

The time depending on the local timezone of the wiki (not depending on the timezone in the user's preference settings). (All words [MW1.8+] )

Word	Example	Explanation
{{LOCALDAY}}	`23`	Displays the local day of the month in numeric form.
{{LOCALDAY2}}	`23`	Same as {{LOCALDAY}}, but with a leading zero (01 .. 31).
{{LOCALDAYNAME}}	`සඳුදා`	Name of the day in the language of the project or English.
{{LOCALDOW}}	`1`	Same as {{LOCALDAYNAME}}, but as a number (0=Sunday, 1=Monday...).
{{LOCALMONTH}}	`06`	The number 01 .. 12 of the month.
{{LOCALMONTHABBREV}}	`ජූනි`	Same as {{LOCALMONTH}}, but in abbreviated form as Jan .. Dec.
{{LOCALMONTHNAME}}	`ජූනි`	Same as {{LOCALMONTH}}, but in named form as January .. December.
{{LOCALTIME}}	`23:30`	The local time (00:00 .. 23:59).
{{LOCALHOUR}}	`23`	The local hour (00 .. 23).
{{LOCALWEEK}}	`26`	Number of the local week (1-53) according to ISO 8601 with no leading zero.
{{LOCALYEAR}}	`2008`	Returns the local year.
{{LOCALTIMESTAMP}}	`20080623233002`	ISO 8601 time stamp.

See also the ParserFunction #time:

[edit] Statistics

Statistics variables give thousands separators unless ":R" for "raw" is added (actually, these versions are parser functions).

Word	Example	Explanation
{{CURRENTVERSION}}	`1.13alpha (r36512)`	[MW1.7+] සැකිල්ල:H:mwg [1]
{{NUMBEROFEDITS}} {{NUMBEROFEDITS:R}}	`35,104` `35104`	[MW1.10+ (r21319)] Returns the total number of page edits since MediaWiki, the software that runs this site, was installed.
{{NUMBEROFARTICLES}} {{NUMBEROFARTICLES:R}}	`747` `747`	A variable which returns the total number of articles on the Wiki.
{{NUMBEROFPAGES}} {{NUMBEROFPAGES:R}}	`6,587` `6587`	[MW1.7+] Returns the total number of pages. [2]
{{NUMBEROFFILES}} {{NUMBEROFFILES:R}}	`2,618` `2618`	[MW1.5+] Returns the number of uploaded files (rows in the image table).
{{NUMBEROFUSERS}} {{NUMBEROFUSERS:R}}	`822` `822`	[MW1.7+] Returns the number of registered users (rows in the user table).
{{NUMBEROFADMINS}} {{NUMBEROFADMINS:R}}	`5` `5`	[MW1.7+] Returns the number of administrators (users in the sysop group).
{{PAGESINNAMESPACE}}	disabled here	Longer alias of PAGESINNS
{{PAGESINNS:ns}} {{PAGESINNS:ns:R}}	{{PAGESINNS:2}} {{PAGESINNS:2:R}} disabled here	[MW1.7+] Returns the number of pages in the given namespace. Disabled by default, enable with සැකිල්ල:H:mwg.

[edit] Page names and related info

H:Page name variables

[edit] Parser functions

For details see Help:Parser function.

Not working at the position of the page where the tag is located but on the page header, and throughout the page, respectively (see below):

DISPLAYTITLE: allow the page header to be different from the page name.
DEFAULTSORT: Sets a default category sort key for the page.

[edit] Namespaces and URLs

Word	Example	Explanation
{{ns:}}	{{ns:4}} = `Wikipedia` {{ns:project}} = `Wikipedia`	Returns the local name of a given namespace number.
{{localurl:x y @}} {{localurle:x y @}} {{localurl:a\|b=c}} {{localurl:Wikipedia:Category}}	`../../../../articles/x/_/y/X_y_%40.html ../../../../articles/x/_/y/X_y_%40.html ../../../../articles/a/_/_/A.html ../../../../articles/c/a/t/Wikipedia%7ECategory_37f1.html`	Returns the local URL of a page (might not exist). Optional query parameter, see Help:Variable.
{{urlencode:x y @}}	`x+y+%40`	[MW1.7+] Encodes variable values for use in external links. [3]
{{anchorencode:x #y @}}	`x_.23y_.40`	[MW1.8+] Encodes variable values for use in section anchors. [4]
{{fullurl:x y @}} {{fullurle:x y @}} {{fullurl:m:a\|b=c}}	http://si.wikipedia.org../../../../articles/x/_/y/X_y_%40.html http://si.wikipedia.org../../../../articles/x/_/y/X_y_%40.html http://meta.wikimedia.org/wiki/a?b=c	[MW1.5+] Returns the full URL of a given page. Optional query parameter as for `localurl:`.

[edit] Formatting

Word	Example	Explanation
{{#language:}}	{{#language:da}} = `Dansk`	[MW1.7+] Native name of language code.
{{lc:}}	{{lc:AbC dEf}} = `abc def`	[MW1.5+] LowerCase
{{lcfirst:}}	{{lcfirst:Ab Cd}} = `ab Cd`	[MW1.5+] LC first char.
{{uc:}}	{{uc:aBc DeF}} = `ABC DEF`	[MW1.5+] UpperCase
{{ucfirst:}}	{{ucfirst:aB cD}} = `AB cD`	[MW1.5+] UC first char.
{{formatnum:}}	{{formatnum:-299792458.56789}} = `-299,792,458.56789`	[MW1.7+] Add decimal separators according to the wiki's default locale. Leading minus and plus are recognized.
{{padleft:}} {{padright:}}	{{padleft:7\|3\|0}} = `007` {{padleft:0\|3\|0}} = `000` {{padleft:bcd\|6\|a}} = `aaabcd` {{padleft:café\|8\|-}} = `---café`(<==Bug effect) {{padleft:cafe\|8\|-}} = `----cafe` {{padleft:bcd\|6\|{{!}}}} = `\|\|\|bcd` {{padright:bcd\|6\|a}} = `bcdaaa` {{padright:0\|6\|a}} = `0aaaaa`	First case is, for example, applicable to years in a category... giving an ordered year to sort by pipetricks order, or any such ordering where left extended zeros allow a proper sorting. [MW1.8+] Pads a string with a character to the specified width. Note that there's a little bug that interprets non-US-ASCII characters as two, instead of one character (see the difference in **café and cafe** in the examples.) It does not seem possible to use padleft and padright for padding with characters with a multi-character code, such as ` `, which would be useful with padleft for sorting tables with Javascript.

With regard to #language and m:Template:n local (talk, backlinks, edit), see also:

List of Wikipedias/local names - shows both names for all languages, without automatic comparison
List of Wikipedias/local names/diff - values of #language for which {{n local}} contains a different name.
List of Wikipedias/local names/diff 1 - for languages where the two names are different, shows both; due to the pre-expand include size maximum of 2,048,000 bytes the end of the table is messed up

[edit] Template modifiers

Usage	Explanation
{{:xyz}}	A bare colon is not a template modifier, it's the prefix for the main namespace. Test e.g. article {{:UTC}} vs. template {{UTC}}. Using this syntax you include the text of the main namespace article xyz in another article.
{{int:xyz}}	Same as {{MediaWiki:xyz}}, except standard message translation is applied depending on subpages and content/user/uselang language. Another difference is: this doesn't appear under "Templates used on this page:". Rendered as <xyz> if MediaWiki:xyz doesn't exist. See also Help:System message.
{{msg:xyz}}	Even if there is a magic word named "xyz", use template:xyz unless the template doesn't exist (equivalent to {{template:xyz}}). Normally, magic words have priority when there is a conflict.
{{msgnw:xyz}}	The unevaluated wikitext is rendered. See msgnw.
{{raw:xyz}}	[MW1.6+] Equivalent to `{{msg:xyz}}` above^[1].
{{subst:xyz}}	In the wikitext, the tag is substituted by the content (single-level evaluation only), see Help:Substitution.

[edit] Image modifiers

For details see w:en:Wikipedia:Extended image syntax.

These are image modifiers used in [[Image:title.ext|modifier|...|modifier]] links. Some are mutually exclusive, and then the last specified wins. The last unrecognized modifier is used as caption for framed images or together with thumbnails. It's also used as description alt=text.

[edit] Size

Word	Usage	Explanation
framed frame enframed	[[Image:Mediawiki.png\|framed]]	Places an image in a frame with a description. Uses original size and stubbornly ignores width parameter if given. In general, far better to use thumb, as is only suitable for small images.
border	[[Image:Mediawiki.png\|border]]	Shows a 1px border around the image.
thumbnail thumb	[[Image:Mediawiki.png\|thumbnail]]	Modifies image size, sets it dependent on user's favorite thumbnail size in one's preferences, or on the given width parameter (see below).
thumb=xyz	[[Image:Mediawiki.png\|thumb=Wiki.png]]	Manualthumb: instead of displaying an automatically-sized thumbnail for `Mediawiki.png`, display the image `Wiki.png`.
width px 100x200px	[[Image:Mediawiki.png\|40px]] [[Image:Mediawiki.png\|100x200px]]	Scales image to given width in pixels Scales image to no more than 100 pixels wide and no more than 200 high, but image scaled to retain its true aspect ratio within the boundary specified.

[edit] Position

For details see Help:Images and other uploaded files

The positions are mutually exclusive; the last specified wins. Template:- can stop floating. For inline images only modifier px (see above) is supported.

Word	Usage	Explanation
right	[[Image:Mediawiki.png\|right]]	Modifies position, floats the image to the right.
left	[[Image:Mediawiki.png\|left]]	Modifies position, floats the image to the left.
none	[[Image:Mediawiki.png\|none]]	Explicitly states that the image should not float.
center centre	[[Image:Mediawiki.png\|center]]	Modifies position, like none but centered.

[edit] Miscellany

Word	Example	Explanation
{{DISPLAYTITLE:xyz}}		[MW 1.7+] Set the page's title [5], enabled in Wikimedia projects since June 2007 ([6]). Also see සැකිල්ල:H:mwg.
{{DIRMARK}} {{DIRECTIONMARK}}	`‎` `‎`	[MW1.7+] u+200E left to right or u+200D right to left mark
{{CONTENTLANGUAGE}}	`si`	[MW1.7+] code of the site's default interface language (සැකිල්ල:H:mwg)
{{DEFAULTSORT:xyz}}	{{DEFAULTSORT:xyz}}	[MW1.10+] Sets a default category sort key for the whole current page (also applying for category tags before this tag)^[2].
#REDIRECT	`#REDIRECT [[target]]` at top of source page	Creates a redirect to another page.

[edit] Language-dependent word conversions

Word	Example	Explanation
{{ CURRENTMONTHNAMEGEN }}	`ජූනි`	Genitive form of month name used for Czech, Polish, Ukrainian[7]
{{grammar:case \| word }}	{{grammar:7sg\|Wikipedie}} on cs: is `Wikipedií`.	Derived word forms in inflected languages like Czech [8]
{{plural:count \|form1 \|form2 }} {{plural:count \|1st \| 2nd \| 3rd }}	{{plural: 2 \| is \| are }} outputs `are` {{plural: 1 \| this \| these }} outputs `this` {{plural: 0 \| his \| their }} outputs `their`	count 1 yields form1 (singular), plural transformations are used for languages like Russian [9] based on "count mod 10".

"Grammar" and "Plural" are language-dependent functions, defined in [10], [11], etc. (note that in PHP, the modulo operator is the percent sign).

"Grammar" can either be applied to predefined words only, or to arbitrary words, depending on whether the definition is just a 2D array, or involves string manipulations. See also cs:Šablona:Wikivar/GRAMMAR.

"Plural" is a site-language-dependent switch function, controlled by function convertPlural in Language.php (which distinguishes between 1 and "not 1"), for some languages overridden in Languagexx.php, e.g. for French (which distinguishes between <=1 and >1) and Russian (oddly, first option is 1, 21, 31,.., 91, 101, 121, .., second is 2, 3, 4, 22, 23, 24, 31, 32, 33, 41,.., 94, 102, 103, 104,.., 122, 123,.., and else the third).

As opposed to ParserFunctions, "plural" accepts points and commas in numbers and interprets them in a site-language-specific way (depending on $separatorTransformTable in Messagesxx.php); on this site:

{{plural:1.000|a|b|c}} gives a
{{plural:1,000|a|b|c}} gives b

(on e.g. the German and the Dutch sites reversed w.r.t. the result on English sites).

"Plural" is used in various system messages, e.g. සැකිල්ල:Msg, where it uses interface language instead of site language.

[edit] See also

ParserFunctions #expr:, #if:, #ifeq:, etc.
mw:Manual:Magic words
Source for Language.php
Source for MagicWord.php
Adding parser functions
mw:Extension:Variables : adding new magic words like {{CURRENTUSER}}

[edit] Notes and references

↑ Wikimedia SVN revision 12925
↑ "Technology report", en-Wikipedia Signpost, January 2007

සැකිල්ල:H:f

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