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The templates [[Template:P1|P1]] and [[Template:P2|P2]] simply return the first and second unnamed input parameter respectively. For example:
* {{tlc|P1|foo|bar|baz}} returns {{P1|foo|bar|baz}}
* {{tlc|P2|foo|bar|baz}} returns {{P2|foo|bar|baz}}

These templates can be used inside other templates as an alternative to the {{pf|switch}} parser function, to switch between outputs based on whether the input is "1" or "2":
* {{tlc|P{{<nowiki/>{1}}}|''output if 1''|''output if 2''}}

Using <code><nowiki>{{#switch}}</nowiki></code>, this syntax is equivalent to
* {{tlc|{{hash}}switch:{{<nowiki/>{1}}}|1{{=}}''output if 1''|2{{=}}''output if 2''}}
except that the parser function strips whitespace between parameters whereas the templates don't.

== See also==

* {{tl|P-1}}, returns the last unnamed parameter

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[[Category:Parameter selection templates]]
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