> I know a lot of sites, such as car dealerships, where you can put in your > zip code and then you can search for cars within 50,100, etc miles of your > house. How is this done? I have a site that we want to implement a feature > like this. What is stored in the db? Can I simply write a function using > zipcodes to find distance? I know you can use latitude and longitude.
Do a search on Google. You can buy databases that have zip codes and their long/lat coordinates. You can then use an equation to calculate "distances" and find zip codes that are close to another one. ---John Holmes... -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
