php - Drupal 6 Location Module get city name using zip code

Solution:

Part of it has been resolved. This could be helpful for others. You can get zip/postal code information by the function available in the location module i.e. location_get_postalcode_data which accept Location parameter as array

@param $location
 *   Array. the location data
 *   -> the values are:
 *     'street'         => the string representing the street location (REQUIRED)
 *     'additional'     => the string representing the additional street location portion in the location form
 *     'city'           => the city name (REQUIRED)
 *     'province'       => the province code defined in the country-specific include file
 *     'country'        => the lower-case of the two-letter ISO code (REQUIRED)
 *     'postal_code'    => the postal-code (REQUIRED)
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Also I did some modification in my country specific .inc file available in supported directory to fetch extra information along with default lat-lon info.

But second part if zip/postal code not available in database then is pending.

Solution:

public function 
{
    $null='';
    #   REFERENCE SITE URL = http://developer.yahoo.com/maps/rest/V1/geocode.html


    #   get and output "<Result>" elements
    $result=$xmlDoc->getElementsByTagName('Result');
    foreach ($result as $val)
    {
        return $null;
    }
}
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