[wp-hackers] When archive.php is pulled in the theme, how does it know what category it applies to before (or as) the loop starts?

[Jeremy Visser]

On Wed, 2009-10-07 at 12:09 +0100, Mike Little wrote:
> $cat = intval( get_query_var('cat') );

Or, if you want to shave off about 0.0000001 millisecond off the
execution time, you can use:

$cat = (int) get_query_var('cat');

/Jeremy's useless tip of the day. :)