الگو:Ifsubst/توضیحات
 | This template is used on ۵۰۰,۰۰۰+ pages. To avoid large-scale disruption and unnecessary server load, any changes to it should first be tested in its /sandbox or /testcases subpages or in your own user subpage. The tested changes can then be added to this page in a 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 }}