> So often php-general is graced with the presence of people with > multiple personalities.. or are you really the borg? :) What?? > >> Any body has any experience with anything similar? > > I coded a zip code to distance calculater last week. > > x = 69.1 * ( zip2.lat - zip1.lat ) > y = 69.1 * ( zip2.lon - zip1.lon ) * cos( zip1.lat / 57.3 ) > miles = sqrt( x^2 + y^2 ) > > This does not take into account the curve of the earth. In addition > you'll need a db with the latitude and longitude for each zip code. Does it work for UK postcodes? Where do you find UK post codes to latitude databases? -- symbulos partners -.- symbulos - ethical services for your organisation http://www.symbulos.com -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
