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Geocode Address on Form Submit

  1. There was a post regarding this topic here:, but it has been closed.

    Any idea what's wrong with this code? The values are being pulled from two custom fields, not a Gravity Forms address field. The fields are ' input_10' and 'input_11'. I've tried using just the numbers as well as the preceding 'input_' to no avail.

    The custom fields are 'latitude' and 'longitude'

    Any help is appreciated.

    // Geocode New Development Additions
    add_action("gform_after_submission_2", "pre_submission_handler");
    function pre_submission_handler($entry){
        // update the "1.x" to the ID of your address field
        $query_string = $entry['10'] . "+" . $entry['11'];
        $coords = getLatLong($query_string);
        update_post_meta($entry['post_id'], 'lat', $coords['latitude']);
        update_post_meta($entry['post_id'], 'long', $coords['longitude']);
    // function to take address and turn it into coordinates lat and long
    function getLatLong($code){
        $mapsApiKey = '<removed>';
        $query = "".urlencode($code)."&output=json&key=".$mapsApiKey;
        // This takes your full street address to create the lat/long
        $data = file_get_contents($query);
        // if data returned
            // convert into readable format
            $data = json_decode($data);
            $long = $data->Placemark[0]->Point->coordinates[0];
            $lat = $data->Placemark[0]->Point->coordinates[1];
            return array('Latitude'=>$lat,'Longitude'=>$long);
        } else {
            return false;
    Posted 12 years ago on Saturday February 4, 2012 | Permalink
  2. Hi Nufantech,

    I didn't see anything obviously wrong with your code. You might try doing some value-checking to make sure the different values are being pulled correctly. Here is an example of how to output the values to the screen:


    And would probably be a good idea to print_r() the $coords after they have been retrieved as well:

    Posted 12 years ago on Saturday February 11, 2012 | Permalink
  3. For whatever the reason, the filter/action is being ignored by GF. I ended up doing the geocoding directly to the database after the records are added.

    Posted 12 years ago on Saturday February 11, 2012 | Permalink
  4. Hi nufantech,

    Hm, there may be an issue with where you are adding the hook/filter. Also, are you using an older version of Gravity Forms? The gform_after_submission hook is a relatively newer hook.

    Glad you were able to find an alternate solution. :)

    Posted 12 years ago on Saturday February 11, 2012 | Permalink