Difference between revisions of "Template:Ifsubst/doc"

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imported>Milker
imported>Vanisaac
m (→‎Usage: clean up per WP:CAT#T and WP:AWBREQ add template:Sandbox other)
 
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{{Documentation subpage}}
 
{{Documentation subpage}}
 
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{{used in system|in [[MediaWiki:Abusefilter-disallowed-semicolon]]}}
 
== Usage ==
 
== Usage ==
 
Meta template that returns the first parameter if evaluated during substitution, and the second parameter if evaluated during transclusion.<br />Note that this template must be used in [[mw:Manual:Substitution#Multilevel_substitution|safesubst]] mode to work properly:  
 
Meta template that returns the first parameter if evaluated during substitution, and the second parameter if evaluated during transclusion.<br />Note that this template must be used in [[mw:Manual:Substitution#Multilevel_substitution|safesubst]] mode to work properly:  
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{{List of subst helper templates}}
 
{{List of subst helper templates}}
  
<includeonly>{{#ifeq:{{SUBPAGENAME}}|sandbox |
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<includeonly>{{Sandbox other|
 
| <!-- ADD CATEGORIES HERE, and INTERWIKIS IN WIKIDATA -->
 
| <!-- ADD CATEGORIES HERE, and INTERWIKIS IN WIKIDATA -->
 
[[Category:Wikipedia metatemplates]]
 
[[Category:Wikipedia metatemplates]]
 
[[Category:If-then-else templates]]
 
[[Category:If-then-else templates]]
 
}}</includeonly>
 
}}</includeonly>

Latest revision as of 17:19, 25 April 2020

Usage

Meta template that returns the first parameter if evaluated during substitution, and the second parameter if evaluated during transclusion.
Note that this template must be used in safesubst mode to work properly:

{{ {{{|safesubst:}}}ifsubst| yes | no }}

The |demo= parameter can be used for testing the template. Set |demo=yes to always display the yes text, |demo=no to always display the no text, or |demo={{{demo|}}} to pass through the value from the parent template.

List of subst helper templates

  • {{require substitution}}: Prints an error unless substituted.
    • {{always substitute}}: For the doc of the above templates; prints a message asking for it be substituted.
    • {{never substitute}}: The reverse of {{always substitute}}. For the doc of templates which should not be substituted; prints a message asking for it not to be substituted.
    • {{substitution}}: Allows free-fill description of whether the template should be substituted and under what conditions.
  • {{issubst}}: Returns "yes" if substituted.
  • {{ifsubst}}: Forks if substituted or not.
  • Module:Unsubst: Prevents substitution.
  • Module:Unsubst-infobox: Prevents substitution for infoboxes, cleans up parameters.