WikiIndex:Parser functions: Difference between revisions
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''' | A '''parser function''' is a special kind of [[WikiIndex:Magic words|magic word]] that is most useful for [[:Category:Templates|templates]]. | ||
{{TOC right}} | |||
{{WikiIndex-stub}} | |||
==List== | ==List== | ||
*[[#expr]] | *[[#expr]] | ||
| Line 10: | Line 12: | ||
*[[#switch]] | *[[#switch]] | ||
*[[#time]] | *[[#time]] | ||
==expr== | ==expr== | ||
coming soon. | coming soon. | ||
==if== | ==if== | ||
Shows different values when entered.<br> | Shows different values when entered.<br> | ||
Code: | ;Code: | ||
<pre>{{ #if: {{{value|}}} | what to show if activated | what to show if not }}</pre> | <pre>{{#if: {{{value|}}} | what to show if activated | what to show if not }}</pre> | ||
Example: | ;Example: | ||
<pre>{{ #if: {{{1|}}} | The name of this site is {{{1}}}. | This site has an unknown name. }}</pre> | <pre>{{#if: {{{1|}}} | The name of this site is {{{1}}}. | This site has an unknown name. }}</pre> | ||
Let's say this is included in the template ''[[Template: | Let's say this is included in the template ''[[Template:If example|if example]]''. If <code><nowiki>{{if example|WikiIndex}}</nowiki></code> is entered, '{{if example|WikiIndex}}' will show up because value was specified, as 'WikiIndex'. <code><nowiki>{{if example|not WikiIndex}}</nowiki></code> makes '{{if example|not WikiIndex}}', because value is specified, as 'not WikiIndex'. <code><nowiki>{{if example}}</nowiki></code> makes just '{{if example}}' because it was left blank. | ||
==ifeq== | ==ifeq== | ||
coming soon. | coming soon. | ||
==ifexist== | ==ifexist== | ||
coming soon. | coming soon. | ||
==ifexpr== | ==ifexpr== | ||
coming soon. | coming soon. | ||
==rel2abs== | ==rel2abs== | ||
coming soon. | coming soon. | ||
==switch== | ==switch== | ||
Compares values.<br> | Compares values.<br> | ||
Code: | ;Code: | ||
<pre>{{ #switch: value | <pre>{{#switch:value | ||
| value1 = what to show if value1 is entered | |value1 = what to show if value1 is entered | ||
| value2 = what to show if value2 is entered | |value2 = what to show if value2 is entered | ||
| what to show if something else is entered | | |what to show if something else is entered | ||
| #default = what to show if nothing is entered | |#default = what to show if nothing is entered | ||
}}</pre> | }}</pre> | ||
Example: | ;Example: | ||
<pre>{{ #switch: {{{1}}} | <pre>{{#switch:{{{1}}} | ||
| a = argh | |a = argh | ||
| b = blah | |b = blah | ||
| c = cough | |c = cough | ||
| anything | | |anything | ||
| #default = nothing | |#default = nothing | ||
}}</pre> | }}</pre> | ||
This is included in the template [[ | This is included in the template [[Template:Switch example|switch example]]. <code><nowiki>{{switch example|a}}</nowiki></code> gives '{{switch example|a}}' because a is entered. <code><nowiki>{{switch example}}</nowiki></code> gives '{{switch example}}', because the template was left blank. <code><nowiki>{{switch example|d}}</nowiki></code> gives '{{switch example|d}}', because d doesn't exist in the template. | ||
==time== | ==time== | ||
coming soon. | coming soon. | ||
==See also== | |||
*{{Mw|Help:Extension:ParserFunctions}} at [[MediaWiki.org]] | |||
[[Category:WikiIndex]] | |||
[[Category:Help]] | |||
Latest revision as of 13:25, 11 January 2023
A parser function is a special kind of magic word that is most useful for templates.
This WikiIndex:Parser functions article is a WikiIndex 'stub'. If you are familiar with, and understand the WikiIndex policy system, you can help by expanding this WikiIndex stub article, thanks. :-)
List[edit]
expr[edit]
coming soon.
if[edit]
Shows different values when entered.
- Code
{{#if: {{{value|}}} | what to show if activated | what to show if not }}
- Example
{{#if: {{{1|}}} | The name of this site is {{{1}}}. | This site has an unknown name. }}
Let's say this is included in the template if example. If {{if example|WikiIndex}} is entered, 'The name of this site is WikiIndex.' will show up because value was specified, as 'WikiIndex'. {{if example|not WikiIndex}} makes 'The name of this site is not WikiIndex.', because value is specified, as 'not WikiIndex'. {{if example}} makes just 'This site has an unknown name.' because it was left blank.
ifeq[edit]
coming soon.
ifexist[edit]
coming soon.
ifexpr[edit]
coming soon.
rel2abs[edit]
coming soon.
switch[edit]
Compares values.
- Code
{{#switch:value
|value1 = what to show if value1 is entered
|value2 = what to show if value2 is entered
| |what to show if something else is entered
|#default = what to show if nothing is entered
}}
- Example
{{#switch:{{{1}}}
|a = argh
|b = blah
|c = cough
| |anything
|#default = nothing
}}
This is included in the template switch example. {{switch example|a}} gives 'argh' because a is entered. {{switch example}} gives 'nothing', because the template was left blank. {{switch example|d}} gives 'nothing', because d doesn't exist in the template.
time[edit]
coming soon.