模板:Ifsubst
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模板文档 | 此Template被引用於約82,000個頁面。 為了避免造成大規模的影響，所有對此Template的編輯應先於沙盒、測試樣例或您的沙盒上測試。 測試後無誤的版本可以一次性地加入此Template中，但是修改前請務必於討論頁發起討論。 模板引用數量會自動更新。 |
Usage[编辑]
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:<noinclude/>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[编辑]
- {{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.
- {{may be substituted}} – For the doc of templates whose substitution is optional.
- {{substitution}} – Allows free-fill description of whether the template should be substituted and under what conditions.
- {{ifsubst}} – Forks if substituted or not.
- {{issubst}} – Returns "yes" if substituted.
- Module:Unsubst – Prevents substitution.
- Module:Unsubst-infobox – Prevents substitution for infoboxes, cleans up parameters.