Difference between revisions of "Template:Is empty/doc"
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Revision as of 21:40, 24 July 2012
Returns true if the first parameter is assigned no value. It can be useful in de-obfuscating wiki markup. It was created to facilitate adding tracking categories.
Usage
- Logic
- if not x then 1.
- if x then <null>.
Examples
{{#if:{{is empty| }}|empty|not empty}} → empty
{{#if:{{is empty|value}}|empty|not empty}} → not empty
