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I've got a template that only prints a line if a variable has a value:

{{#if: {{{Variable1|}}} | The first Variable is {{{Variable1}}}.}}

Now I need to check 3 different variables, and if at least one of them have a value it should print the line. What's the best way to do this? Thanx in advnace. -Adam weiler 22:36, November 19, 2011 (UTC)

{{#if: {{{Variable1|}}}{{{Variable2|}}}{{{Variable3|}}} | Value if true}}

This would be the easiest way - will return 'true' if any of the variables is non-empty. If you want the output to vary depending on which variable is present, your best bet would be to use nested if functions. — Sovq 23:02, November 19, 2011 (UTC)

Or if you need some particular complicated conditions, maybe using the logical or of the expression parser function as test condition might be helpful too, read this for an explanation. leviathan_89 23:15, 19 November, 2011 (UTC)

The first answer works great, thanx a lot! This page is now bookmarked. -Adam weiler 19:29, November 20, 2011 (UTC)