Template:Ifsubst
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Template documentation | This template is used on 500,000+ pages. To avoid large-scale disruption and unnecessary server load, any changes to this template should first be tested in its /sandbox or /testcases subpages, or in your own user space. The tested changes can then be added to this page in one single edit. Please consider discussing any changes on the talk page before implementing them. |
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 }}
Related templates
List of subst helper templates
- {{require subst}}: Prints an error unless substituted.
- {{subst check top}}、{{subst check bottom}}: Same purpose, but used as a pair.
- {{subst only}}: For the doc of the above templates; prints a message asking for it be substituted.
- {{nosubst}}: The reverse of {{subst only}}. For the doc of templates which should not be substituted; prints a message asking for it not to be substituted.
- {{issubst}}: Returns "yes" if substituted.
- {{ifsubst}}: Forks if substituted or not.
| The above documentation is transcluded from Template:Ifsubst/doc. (edit | history) Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages. Please add categories to the /doc subpage. Subpages of this template. |