phpgoogle-mapsgoogle-codereverse-geocoding

Reverse Geocoding With Google Map API And PHP To Get Nearest Location Using Lat,Long coordinates


I need a function to get an nearest address or city from coordinates(lat,long) using google map api reverse geocoding and php... Please give some sample code


Solution

  • You need to use the getLocations method on the GClientGeocoder object in the Google Maps API

    var point = new GLatLng (43,-75);
    var geocoder = new GClientGeocoder();
    geocoder.getLocations (point, function(result) {
        // access the address from the placemarks object
        alert (result.address);
        });
    

    EDIT: Ok. You are doing this stuff server side. This means you need to use the HTTP Geocoding service. To do this you will need to make an HTTP request using the URL format described in the linked article. You can parse the HTTP response and pull out the address:

    // set your API key here
    $api_key = "";
    // format this string with the appropriate latitude longitude
    $url = 'http://maps.google.com/maps/geo?q=40.714224,-73.961452&output=json&sensor=true_or_false&key=' . $api_key;
    // make the HTTP request
    $data = @file_get_contents($url);
    // parse the json response
    $jsondata = json_decode($data,true);
    // if we get a placemark array and the status was good, get the addres
    if(is_array($jsondata )&& $jsondata ['Status']['code']==200)
    {
          $addr = $jsondata ['Placemark'][0]['address'];
    }
    

    N.B. The Google Maps terms of service explicitly states that geocoding data without putting the results on a Google Map is prohibited.

    You can display Geocoding API results on a Google Map, or without a map. If you want to display Geocoding API results on a map, then these results must be displayed on a Google Map. It is prohibited to use Geocoding API data on a map that is not a Google map.