Posted by Edward Z. Yang on 05/19/07 15:22

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Ciaran wrote:
> Is there a more efficient way to write this:
> if($var=1 || $var=4 || $var=27 || $var=28 || $var=30 || $var=37 ||
> $var=38){echo "true";}

Close to the same efficiency, with a one time initialization cost:

$values = array_flip(array(1, 4, 27, 28, 30, 37, 38));
if (isset($values[$var])) echo "true";

- --
Edward Z. Yang GnuPG: 0x869C48DA
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