Multiple values in one if, php?

(php5) is it possible for me to insert more than one value into an if statement? ex.

if ($var == 1,2,3)

how can I write something like that, compressed and such? if $var is equal to 1 or 2 or 3?

Probably a better way, but what about..

if($var==1 || $var==2 || $var==3)

if($var >= 1 && <= 3)

If we're dealing with integers:

if(($var >0) && ($var < 4))

executes faster.

This would work for any data, not only numbers;

if ( in_array( $var, array(1, 2, 3 ) )

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