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PD Megjegyzés: Amikor szerkeszted ezt a lapot, beleegyezel a szerkesztésed CC0 alatti közzétételébe. Lásd a Public Domain Help Pages lapot további információkért. PD

A MediaWiki sablonfunkciója tartalmak többszöri beillesztéséhez használhatók. A kiterjesztésektől és médiafájloktól eltérően nincs központi sablontároló. A sablonok létrehozhatók újonnan vagy importálhatók más wikikből.


Céljuk, hogy más lapokra beillesztve újrafelhasználhatóak legyenek. Létrehozásuk a Sablon: névtérben lehetséges; ezen kívül úgy működnek, mint bármely másik lap.

A legegyszerűbb felhasználási módjuk a következő; ha létrehoztad a „Sablon:Üdvözlet” lapot a következő tartalommal:

Üdvözlünk a wikin!

létrehoztad az első sablonodat! Ha ezután beilleszted az alábbi kódot:


bármely más lapra, akkor a {{Üdvözlet}} helyett az „Üdvözlünk a wikin!” szöveg fog megjelenni. A sablon tartalmát a szoftver „beilleszti”.

Az {{Üdvözlet}} ezután bárhova beillesztheted (például akár száz felhasználót is üdvözölhetsz). Ha ezután megváltoztatod a tartalmát:

Üdvözlünk ezen a csodálatos wikin!

akkor a száz lap mindegyikén a módosított szöveg fog megjelenni; ezáltal mindegyik lapot anélkül módosítottad, hogy egyesével kellett volna őket szerkeszteni, mivel a sablont a szoftver beillesztette.

Ez a legegyszerűbb felhasználási mód, de a sablonok további lehetőségekkel még hasznosabbá tehetők.


A sablonok más lapokon az alábbi módon használhatók:

  • {{Név}} – ahogy fentebb szerepel, e hivatkozás (a sablonhívás) helyén a [[Sablon:Név]] tartalma fog megjelenni (ez a beillesztés) a lap betöltésekor. Because the template call remains in the pages's source, any subsequent change to Template:Name will be seen on the page containing the template call. Also, the page will be listed among those that "link to" the template.
  • {{subst:Name}} – ez a sablonhívás a lap közzétételekor annak tartalmát a Sablon:Name tartalmának statikus másolatával írja felül. That is, a copy of the contents of Template:Name will be substituted for the template call. No link is maintained between the page and the template, so each can be edited further without affecting the other. In effect, there is little difference between substituting the content in this way and simply typing it into the page's source "manually".
  • {{safesubst:Name}} — this was introduced to allow for recursive substitution in cases where templates contain calls to other templates or parser functions.

See Help:Substitution for more information.

  • {{msgnw:Name}} — this displays the template content as raw wiki syntax (the way ‎<nowiki> does) when the page containing it is viewed.

A névtér megadásával bármelyik lap beilleszthető sablonként:

  • {{Template:Pagename}} transcludes the page titled Template:Pagename (equivalent to {{Pagename}})
  • {{Talk:Pagename}} transcludes the page titled Talk:Pagename
  • {{:Pagename}} transcludes the page titled Pagename (i.e., in the main namespace)
    • {{subst::Pagename}} substitutes the contents of the page titled Pagename

Ha a megadott névtér nincs, a teljes címről feltételezi, hogy sablon:

  • A {{Foo:Bar}} a Sablon:Foo:Bar]]-t illeszti be


To enrich the mechanism of transclusion, MediaWiki allows parameters to be passed to a template when it is transcluded. Parameters allow the template to produce different contents or have different behaviors.

Suppose you wish to insert a little thank you note in the talk page of other users, such as:

Köszönet… all your effort számára. Öleléssel, Me

The thank you note will have a reason (in this case, "all your effort") and a signature ("Me"). Your objective is that any user be able to thank any other user, for any reason whatsoever.

So that the note will look similar everywhere it is used, you can define a template called Sablon:Köszönet , for example. Although the note should look similar whenever a user thanks another user, its specific contents (i.e. the reason and the signature) will be different. For that reason, you should pass them as parameters. If we ignore the remaining elements to format the box and place the image, the core content of the template will be this:

Köszönettel, {{{2}}}

Notice the use of {{{1}}} and {{{2}}}. This is the way to identify, within templates, the parameters that will be passed in when the template is used. Note that, within the template, each parameter is surrounded by three braces: {{{ }}}. This is different from normal template name usage.

When using the template on a page, you fill in the parameter values, separated by a "pipe" character (|). MediaWiki allows parameters to be passed to the template in three ways: Anonymously, Numbered, and Named.

Névtelen paraméterek

To pass in anonymous parameters, list the values of those parameters sequentially:

{{Thankyou|all your effort|Me}}

In this case, the {{Thankyou}} template receives parameters {{{1}}}=all your effort and {{{2}}}=Me, producing:

Köszönet… all your effort számára. Öleléssel, Me

The order in which anonymous parameters are passed in is crucial to its behavior. Reversing the order of the parameters, like so:

{{Thankyou|Me|all your effort}}

ezt az eredményt adná:

Köszönet… Me számára. Öleléssel, all your effort

Identifying parameters by order (with {{{1}}}, etc.) works only with anonymous parameters. Any parameters identified by name, as shown below, will not be accessible to the template using ordinal numbers.
If an equal sign appears inside the argument to an anonymous template parameter, that parameter may be misinterpreted as a named parameter (which is explained below in this document) treating the text before the equal sign as the parameter name and the text after it as the argument value. This is a common problem when you need to include an external link, or an HTML element with attributes (see task T16235). The workaround is to use named parameters instead, or even numbered parameters as explained in the following section.

Számozott paraméterek

To pass in parameters by number, identify each parameter when passing it:

{{Thankyou|2=Me|1=your friendship}}

This time, template {{Thankyou}} receives parameters {{{1}}}=your friendship and {{{2}}}=Me, though they have been supplied in inverse order, and produces:

Köszönet… your friendship számára. Öleléssel, Me

This may also be useful when any of the numbered parameters contains an "=" sign.
<span lang="en" dir="ltr" class="mw-content-ltr">{{Thankyou|1=adding “=”|2=Me}}</span>


Köszönet… adding “=” számára. Öleléssel, Me

Figyelem Figyelem: This also requires numbering each other parameter.

Named parameters

The third way of passing parameters is by name instead of numbers. In this case, the template contents would be changed to:

'''A little thank you...'''
for {{{reason}}}.
hugs, {{{signature}}}

Within the template, we use {{{reason}}} and {{{signature}}} to identify each parameter, instead of a number. To pass these parameters by name, identify each parameter when passing it:

{{Thankyou|signature=Me|reason=being who you are}}

In this case, template {{Thankyou}} receives parameters {{{reason}}}=being who you are and {{{signature}}}=Me and produces:

Köszönet… being who you are számára. Öleléssel, Me

Named parameters are case-sensitive, so:

{{Thankyou|signature=Me|Reason=being who you are|reason=being case-sensitive}}


Köszönet… being case-sensitive számára. Öleléssel, Me

The advantage of using named parameters in your template, besides also being flexible in the order parameters can be passed, is that it makes the template code much easier to understand if there are many parameters.

Alapértelmezett értékek

If you transclude a template that expects parameters, but do not provide their arguments, in this way:


in the numbered parameters example above you would get the following:

Köszönet… {{{1}}} számára. Öleléssel, {{{2}}}

Since no arguments were passed in, the template presents the parameters themselves, instead of their respective values. In these cases, it may be useful to define default values for the parameters, i.e. values that will be used if no value is passed in. For example, if the template contents are changed to:

'''A little thank you...'''
for {{{reason|everything}}}.
hugs, {{{signature|Me}}}

then {{{reason|everything}}} defines that if no argument is provided for parameter {{{reason}}}, then the value everything will be used. Similarly, {{{signature|Me}}}, defaults parameter {{{signature}}} to value Me. Now, transcluding the template again without passing any argument results in the following:

Köszönet… everything számára. Öleléssel, Me

The value of a parameter can be an empty string. For example, in {{foo|bar=}} or {{foo|bar=|baz=qux}}, the foo template considers the bar parameter to be "". This is different from omitting the parameter altogether, which leaves it undefined and triggers the default value mechanism described above.
If you need to treat an empty string the same way as a missing parameter, you can use a conditional operator through an extension like ParserFunctions. For instance, {{#if:{{{1|}}}|{{{1|}}}|undefined}} returns undefined if the parameter is either undefined or empty, while {{{1|undefined}}} does so only if the parameter is undefined.

Often default values are used to specify alternate names of parameters. For example, if you have {{{a|{{{b|}}} }}}, the template will first look for a parameter named "a". If it is not set, it will use the parameter named "b". If neither "a" nor "b" is set, it will output nothing.


Ez egy haladóknak szóló szakasz, amit átugorhatsz, ha nincs rá szükséged.

Generally speaking, template parameters are substituted into the template after tokenization, but as is. They are not evaluated until they are used.

This has a few consequences. First of all, if you have a Template:Start containing {{mytemplate, and a Template:End containing |foo=bar}}, and put {{start}}{{end}} on a page, mytemplate isn't transcluded, because tokens like "|" cannot be added by a template and keep their special meaning in templates. You can still use templates to control the name of a parameter or template, but you cannot split a template call amongst multiple templates.

The second consequence of this is dead-code elimination. If you make a template call like {{foo|{{DISPLAYTITLE:Bar}} }}, and Template:Foo does not contain {{{1}}}, then the displaytitle is not used, since it is only evaluated when needed, and there is no parameter to substitute it into, so it is never evaluated. This usually comes into play when using Extension:ParserFunctions, and can be especially noticed when used in combination with the int: magic word that varies by user language.

Template calls starting with the magic word subst: or safesubst: are evaluated in a separate first pass that only happens at save time, along with ~~~~ and links using the pipe trick. If they cannot be evaluated during the first pass, subst: calls are ignored, and safesubst: are treated as if a normal template.

Many but not all parser functions, parser tags and trancluded special pages are not directly included like templates but instead are replaced by a "strip marker". This means you cannot manipulate the results with parser functions like padleft: or similar functions from extensions, as they see the strip marker instead of the result of the parser function.


Including a template in itself won't throw MediaWiki into infinite recursion. MediaWiki will stop the recursion with the template's name in bold. For example, if the content of Template:Aaaa is a {{Aaaa}} z, it'll display "a a Template loop detected: Template:Aaaa z z".

Forbidden idiom

This safeguard precludes a potentially useful template idiom where a template self-normalizes its own calling arguments. In this forbidden example template:d can either be called {{d|20200311}} or {{d|y=2020|m=3|d=11}}. If called in the first manner, it recurses into itself with the second argument structure (obtained using string parser functions), which then follows a unified processing path.

{{#if:{{{1|}}}|{{d|y={{#sub:{{{1}}}|0|4}}|m={{#sub:{{{1}}}|4|2}}|d={{#sub:{{{1}}}|6|2}}}}|<!-- processing path with arguments y,m,d regardless of original call pattern -->}}

If template:d is modified to recurse into template:d/2 and template:d/2 is an identical manual copy of template:d this idiom works fine as the self-recursion safeguard operates dynamically and not statically.

A feasible way for the MediaWiki software to loosen the self-recursion rule would be to require that each recursive call have a distinct argument count from all previous active calls, at most once recursing with the argument count non-decreasing. That would provide a strong guarantee against infinite self-recursion while enabling useful idioms such as the one described here in a flexible manner.

If the processing path is of low complexity, a simple solution using only one template is to handle each calling convention on a separate if/else branch, duplicating the logic of the processing path within each case. If the processing path is more complex, each call-structure case can delegate to an implementation template with a unified call structure which provides the final template behaviour.

Tables in parameters

Since the pipe character (|) and equality sign (=) have different meanings in template calls and wikitables, in order to use table markup in the value of a template parameter one generally needs to "escape" those characters (i.e., protect them from interpretation as template markup) using special sequences:

  • the built-in magic word {{!}} provides an "escaped" version of | since MediaWiki 1.24
  • the built-in magic word {{=}} provides an "escaped" version of = since MediaWiki 1.39

Before the introduction of these magic words, many wikis used templates to accomplish the same things. On such a wiki, the magic words take precendence over the same-named templates.

Example table

A1 B1 C1
A2 B2 C1

Table code:

{| class=wikitable

Escaped table code:

{{{!}} class{{=}}wikitable

Note that the first left-brace ({) is interpreted as a literal left-brace character because it is immediately followed by the {{!}} magic word. Similarly, the last right-brace (}) is interpreted as a literal right-brace character because it is immediately preceeded by the same magic word. However, in some cases these brace characters do cause problems, so some wikis provide templates for escaping these characters, as well:

  • the template call {{(}} might provide an "escaped" version of {
  • the template call {{(}} might provide an "escaped" version of {

Some wikis go even further and provide other convenience templates like {{(!}} and {{!!}}. On such a wiki, the code can be simplified a bit to this form:

{{(!}} class{{=}}wikitable

Control template inclusion

By default, a template's content is displayed in its entirety, both when viewed directly and when included in another page. However, you can control which parts of a template will be seen and included by the use of the ‎<noinclude>, ‎<includeonly> and ‎<onlyinclude> tags.

Anything between ‎<noinclude> and ‎</noinclude> will be seen only when the template's page is being viewed directly, but not when it is included in another page. This is useful when you want to include text or code in a template that you do not want to propagate to any pages which include it, such as:

  • Category links when categorizing the template itself
  • Explanatory text about how to use the template

Likewise, anything between ‎<includeonly> and ‎</includeonly> will be processed and displayed only when the page is being included, but not when the template page is being viewed directly, and is useful in situations such as:

  • Categorizing pages which include the template. Note: when changing the categories applied by a template in this fashion, the categorization of the pages which include that template may not be updated until some time later: this is handled by the job queue . To force the re-categorization of a particular page, open that page for editing and save it without changes.
  • Ensuring that the template's code is not executed when viewing the template page itself. Typically this is because it expects parameters, and its execution without parameters has an undesired result.

Everything outside ‎<noinclude> and ‎<includeonly> is processed and displayed normally; that is, both when the template page is being viewed directly and when the template is included in another page. The focus is on what is inside these two tags.

Everything outside ‎<onlyinclude> tags is discarded in the transclusion. Even sections tagged includeonly are discarded in the transclusion unless they are also tagged as onlyinclude. The focus is on what is outside this tag.

Nesting of these tags is also possible.

The three partial transclusion tags enable all possible combinations of what is processed and rendered. A megjegyzéseknek is van szerepük.

A sablonok elrendezése

For templates to be effective, users need to find them, and find out how to use them.

To find them, users can:

  1. Click Speciális lapok > Az összes lap listája
  2. In the Névtér: list, choose Template and click Menj.

To give usage information, include an example like this one on the template page:

== Usage ==
Welcome users:
{{Thankyou|reason=your reason|signature=your signature}}

Then, an editor can simply copy and paste the example to use the template.

While editing a page, a list of all templates used is available under the editing form, in a collapsible section titled "A lapon használt sablonok:" (also named "Az előnézet megjelenítésekor használt sablonok:", or "Az ebben a szakaszban használt sablonok:" depending on the context). This list provides a convenient link to the template's page, as well as information about its protection status. Redirected templates are shown in italics, with the redirect target added as a separate list item.

Hivatkozás sablonokra

A sablonokra úgy lehet hivatkozni, mint bármely más lapra: például a Template:Navbar link a [[Template:Navbar]] beillesztésével hozható létre.

On many wikis, Template:Tl can be used to provide a link to a template formatted in a way that shows the "double curly-braces" wikicode necessary to transclude the template without actually doing the tranclusion. For example, the code {{tl|Navbar}} may be used to create the link {{Navbar}}.

This construct is commonly used when referring to templates in template documentation, on help pages, and on talk pages. The same effect can be achieved by using {{[[Template:Navbar|Navbar]]}}, but the {{tl}} approach involves much less typing. On any given wiki the Tl template, if it exists, may or may not render the text in a "code" element or as monospace type. If not (as on this wiki), another similarly named template may do so. See, for example, the "See also" section of our Template:Tl documentation.

Copying from one wiki to another

Templates often require CSS or other templates, so users frequently have trouble copying templates from one wiki to another. The steps below should work for most templates.

MediaWiki code

If you have import rights (specifically importupload) on the new wiki:

  1. Go to Special:Export on the original wiki, and download an .xml file with the complete history of all necessary templates, as follows:
    • Enter the name of the template in the big text box, e.g. "Template:Welcome". Pay special attention to capitalization and special characters — if the template name isn't exactly correct, the export may still occur but the .xml file will not have the expected data.
    • Select the box "Sablonok hozzáadása".
    • Select the box "Csak a legfrissebb állapot, teljes laptörténet nélkül".
    • Click "Exportálás".
  1. Go to Special:Import on the new wiki and upload the .xml file.

If you don't have import rights on the new wiki:

  1. Go to the template you want to copy from the original wiki. Go to the edit page, and copy all the wikitext
  1. On the new wiki, go to the page with the same name as the template you copied. Hit create/edit and paste the wikitext you copied. In the edit summary of each template, link to the original page for attribution.
  1. Back in the original wiki at the edit window, below the edit box, look at the list of "Templates used on this page". For each template listed follow these instructions. Also do that for any template used by any of these templates, and so on.

This will copy the entire code necessary, and will suffice for some templates. Note that only page elements parsed in rendering the page get exported, consequently documentation subpages are not exported as part of this process. If it doesn't work also check for red links listed under "Pages transcluded onto the current version of this page:", below the edit box. If there are any repeat the above steps for these as well and also copy the code in the modules.

After successfully importing the template and all its linked templates from the other wiki, edit it to change customisations to suit your wiki. For example to change a logo, remove redundant categories or red links.


A ParserFunctions a sablonokban gyakran használt kiterjesztés. Ellenőrizd a Extension:ParserFunctions lapon, hogy az általad átmásolt sablonok használják-e az itt szereplő függvényeket. Ha igen, telepítsd a Kiterjesztés:ParserFunctions kiterjesztést! A telepítéshez a MediaWikit tartalmazó szerveren adminisztrátori hozzáférésre lesz szükséged

További gyakran használt függőség a Lua; ha a sablon forráskódjában szerepel az {{#invoke: }} hívás, akkor használatban van. Ez esetben telepítsd a Scribunto kiterjesztést (ehhez is rendszer-adminisztrátori jogosultságra van szükség). További információkért lásd a kiterjesztés leírását.

CSS és JavaScript

A wikikód mellett számos sablon használt CSS-t és JavaScriptet; ha az átmásolt sablonok nem működnek, ez lehet az oka. A CSS- és JS-kódokat általában csak az arra jogosultak illeszthetik be, mivel a MediaWiki-névtérben találhatóak.

  1. Look for the use of CSS classes (text like class="foobar") in the template text. If those classes appear in "MediaWiki:Common.css" or "MediaWiki:Monobook.css" on the original wiki, copy those classes to "MediaWiki:Common.css" on the new wiki and check if the template is now fine.
  1. If the copied template is still not working as expected, check if there is code in "MediaWiki:Common.js" or "MediaWiki:Monobook.js" on the original wiki. If so, you can try copying it to "MediaWiki:Common.js" on the new wiki. Normally, it is a good idea to only copy code from trusted sources, and first browsing the code to identify and select the parts that are relevant. You may find comments that can serve as clues to identify the functionality of each part.

Lásd még

Általános sablonhasználat

  • m:Help:Template – much more thorough manual on how exactly templates function
  • m:Help:Advanced templates – describes even more advanced techniques such as dynamic template calls and variable parameter names

Special constructs used in templates

További hasznos információk

További információk