...results of #expr and #ifexpr (such as q*r in p+q*r, but also the factors 2.1 and 1e-3 in 2.1e-3) are stored as float, i.e. in [[w:Double precision float
...al|hexadecimal]] format (apart from the sign it consists of a fixed "<code>1.</code>", followed by 13 hexadecimal characters) and the exponent in decima
...
36 KB (5,038 words) - 10:17, 17 April 2026
Parser functions, added in MediaWiki 1.7, are a type of extension that integrate closely with the parser.
...MediaWiki\Parser\Parser | anchor=a34da5613dad9dd0a5e921aa7bceba3cf|method=$1}}|the documentation}} for {{phpi|Parser::setFunctionHook ( $id, $callback,
...
16 KB (2,153 words) - 12:25, 12 April 2026
...2,036,854,775,808 through 2<sup>63</sup> − 1 = [[w:Power_of_two#2^63-1|9,223,372,036,854,775,807]].
| '''<code>+</code>''' || 1
...
52 KB (6,911 words) - 10:01, 17 April 2026
<translate><!--T:3--> The <tvar name=1><code>#expr</code></tvar> and <tvar name=2><code>#ifexpr</code></tvar> func
...ry [[w:String (computer science)|strings]], as do most of the {{<tvar name=1>ll|Help:Extension:ParserFunctions</tvar>|other parser functions}}.</transla
...
53 KB (7,102 words) - 09:43, 17 April 2026
<translate><!--T:1--> A "'''[[<tvar name=pfhelp>Special:MyLanguage/Help:Extension:ParserFuncti
:<nowiki>{{</nowiki>''functionname'': ''argument 1'' | ''argument 2'' | ''argument 3''...}}
...
13 KB (1,595 words) - 12:04, 12 April 2026
<translate><!--T:1--> Parser functions, added in MediaWiki 1.7, are a type of extension that integrate closely with the parser.</transla
...:68--> The phrase "parser function" should not be confused with <tvar name=1>{{ll|Extension:ParserFunctions}}</tvar>, which is a collection of simple pa
...
22 KB (2,846 words) - 12:05, 12 April 2026
<translate><!--T:1--> List of parser extension tags in a typical Wikipedia edition, and their
<translate><!--T:2--> A wiki's <tvar name=1>[[Special:Version]]</tvar> page lists its available tags in section "<tvar
...
4 KB (478 words) - 12:04, 12 April 2026
They are represented by <code>$1</code>, <code>$2</code>, <code>$3</code>, … in the (static) message texts,
...bpage|subpages}}</nowiki></code> is better than <code><nowiki>sub{{PLURAL:$1|page|pages}}</nowiki></code>.
...
34 KB (4,993 words) - 11:48, 17 April 2026
[[File:MediaWiki-extensions-icon.svg|125px|alt=<translate><!--T:1--> MediaWiki extensions</translate>|right]]
...a corresponding operation or return a specific value. Both '''{{<tvar name=1>ll|Manual:Variables</tvar>|variables}}''' (which output dynamic values) and
...
14 KB (2,007 words) - 10:08, 17 April 2026
:<nowiki>{{</nowiki>''functionname'': ''argument 1'' | ''argument 2'' | ''argument 3''...}}
{{note|1=If the caller has '''no arguments''' to provide the parser function, then t
...
12 KB (1,475 words) - 15:08, 17 April 2026
<translate><!--T:1--> {{<tvar name=1>ll|Help:System message</tvar>|MediaWiki messages}} can be used in the code
.../translate> <translate><!--T:25--> In many classes, you can use <tvar name=1>{{phpi|$this->msg()}}</tvar>.</translate>
...
48 KB (6,742 words) - 10:17, 17 April 2026
| 1 = '''When defining or translating magic words, adhere to established conven
...riant of the names in the array will match. If the case sensitive flag is 1, only exact case matches will be associated with the magic word ID.
...
11 KB (1,587 words) - 10:10, 17 April 2026
<translate><!--T:1--> MediaWiki provides a standard text markup that can be easily customized.
...p is to add new markup that looks like the built-in MediaWiki [[<tvar name=1>Special:MyLanguage/Manual:Tag extensions</tvar>|XML tags]] (<code><''tag
...
7 KB (903 words) - 10:10, 17 April 2026
[[File:MediaWiki-extensions-icon.svg|125px|alt=<translate><!--T:1--> MediaWiki extensions</translate>|{{dir|{{pagelang}}|left|right}}]]
;$input : <translate><!--T:14--> Input between the <tvar name=1>{{tag|sample|open}}</tvar> and <tvar name=2>{{tag|sample|close}}</tvar> tag
...
26 KB (3,583 words) - 15:24, 17 April 2026
{{Note|1=Be sure to check whether a subpage exists. If you add template data to a te
{{Note|1=On many Wikimedia wikis, you can only create a page if you have been a regi
...
75 KB (10,927 words) - 13:20, 14 April 2026
<translate><!--T:94--> <tvar name=1>'''{{ll|Extension:TemplateData|TemplateData}}'''</tvar> is an extension tha
...194--> If you want this functionality on your own wiki, install <tvar name=1>{{ll|Extension:TemplateData}}</tvar>.</translate>
...
102 KB (14,435 words) - 13:19, 14 April 2026
Starting with {{MW version-inline|MW 1.44}}, the preferred mechanism for extensions to be notified about ''complet
For instance, starting with {{MW version-inline|MW 1.45}}, the <code>PageLatestRevisionChanged</code> event should be used inste
...
146 KB (16,467 words) - 11:48, 17 April 2026
<translate><!--T:1--> '''PHP hooks''' allow custom code to be executed when some defined actio
...the following code snippet will trigger a call to the function <tvar name=1>{{phpi|MyExtensionHooks::onEditFilter}}</tvar> whenever the <tvar name=2><c
...
185 KB (21,179 words) - 10:17, 17 April 2026
