Help:Magic words: Difference between revisions

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Add explanatory note to tag expensive parser functions.
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Page IDs can be associated with articles via wikilinks (i.e. <code>[[Special:Redirect/page/3235121]]</code>goes to this page).
To output numbers without comma [[Delimiter|separator]]s (for example, as "123456789" rather than "123,456,789"), append the parameter <kbd>|R</kbd>.
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===Formatting===
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| Outputs ''r1'' if ''string'' is ''c1'', ''r2'' if ''string'' is ''c2'', etc., otherwise outputs ''default'' (if provided).
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If, in these conditional functions, [[Empty string|empty]] unnamed parameters are to be parsed as empty rather than as text (i.e. as empty rather than as the text "{{{1}}}", "{{{2}}}", etc.), they will require trailing pipes (i.e. <kbd>{{(((}}1{{pipe}}{{)))}}</kbd>, <kbd>{{(((}}2{{pipe}}{{)))}}</kbd>, etc., rather than <kbd>{{(((}}1{{)))}}</kbd>, <kbd>{{(((}}2{{)))}}</kbd>, etc.).
* For the use of these functions in tables, see [[Help:Conditional tables]].
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==See also==
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* [[Special:Version]], see last section "Parser function hooks":<!--(a #section link is not possible)-->a list that should include all of the magic words on this page
* {{tl|Ifexist not redirect}}, works with the <code><nowiki>{{#ifexist:}}</nowiki></code> expression while allowing redirects to be identified and parsed differently
 
==Notes==
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{{Wikipedia technical help|collapsed}}
 
[[Category:Wikipedia features]]
 
[[he:עזרה:משתנים]]