This is a PHP class to do various calculations with zip codes. It's primary purposes are to calculate the distance between two zip codes and to extract all the zip codes that are within a range of a given zip code. All calculations are based on lattitude and longitude coordinates stored in the database. Included is a class file, demonstration file, and the sql files required to create and populate the MySQL tables.
** UPDATE **
Added code to make the function which get's a range of zip codes execute ALOT faster. Went from 3.2 seconds to 0.42 seconds! Modification was submitted by Jeff Bearer
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Micah is Really Good work & Hard to collect Zips SQL , and i apperciate thats and i give you 5 global !! (If this comment was disrespectful, please report it.)
Wow, contest winner! Awesome! Thanks guys! And thanks to Jeff Bearer for the piece of code which made the find zips in range function run so much faster! This has alot of exclamation marks! Yes it does!
- Micah (If this comment was disrespectful, please report it.)
Excellent code-To the maker / people who put this on PScode, I think you deserve a serious 5 globe award from PSCode. This is precision coding man! Not only that, but the data that came with it, is priceless to me, as I would end up having to pay some company for it. It's going to be used to detect the closest warehouse to my customers, based on 4 warehouses in different states. It's going to work nice, now I can compare ZIP Codes! THANKS AGAIN! 5 GLOBES - A++++ (If this comment was disrespectful, please report it.)
12/14/2006 3:43:35 PM:
good (If this comment was disrespectful, please report it.)
this programm is very good and it is very usefull thank u (If this comment was disrespectful, please report it.)
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4/14/2005 10:03:07 AM: 
