Difference between revisions of "Template:Ifwp"
From HeRO Wiki
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* If parameter 1 is defined and not empty, parameter 2 will be returned. | * If parameter 1 is defined and not empty, parameter 2 will be returned. | ||
* If parameter 1 is defined and empty, parameter 3 will be returned. | * If parameter 1 is defined and empty, parameter 3 will be returned. | ||
| − | * If parameter 1 is not defined at all, <nowiki>{{{1}}}</nowiki> will be returned. | + | * If parameter 1 is not defined at all, <nowiki>{{{1}}}</nowiki> will be returned. (This should be avoided.) |
This template is best used in other templates that can specify the default parameters in their usage documentation, such that parameter 1 is always defined, even if it's empty. | This template is best used in other templates that can specify the default parameters in their usage documentation, such that parameter 1 is always defined, even if it's empty. | ||
Latest revision as of 02:59, 12 November 2022
This template's code is:
{{{3{{{1|}}}|{{{1{{{1|}}}|{{{2|}}}}}}}}}
Usage
- If parameter 1 is defined and not empty, parameter 2 will be returned.
- If parameter 1 is defined and empty, parameter 3 will be returned.
- If parameter 1 is not defined at all, {{{1}}} will be returned. (This should be avoided.)
This template is best used in other templates that can specify the default parameters in their usage documentation, such that parameter 1 is always defined, even if it's empty.
