Re: mileage calculator
| From: | 1LT John W. Holmes | Date: | Fri, 06 Dec 2002 16:13:41 +0000 |
| Subject: | Re: mileage calculator | ||
| References: | 1 | Groups: | php.db |
| Request: | Send a blank email to php-db+get-23863@lists.php.net to get a copy of this message | ||
> 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...