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Re: Zip Code Proximity search
Posted by: Jeffrey Mattox
Date: July 14, 2007 01:09AM

Regarding the two lines:

$delta_longitude = (($radius + $distance_lookup_slop_miles)
/ (cos($latitude) * 69.172));

I think that $latitude should be converted to radians, thusly:

... cos($latitude*0.017453) ...


JM

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