Template:Is empty
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
xthen1. - if
xthen <null>.
Examples
{{#if:{{is empty| }}|empty|not empty}} → empty
{{#if:{{is empty|value}}|empty|not empty}} → not empty
Without this template
{{#if: |not empty|empty}} → empty
{{#if:value|not empty|empty}} → not empty