Reverse Geocode with Google Map - PHP

[sourcecode language="php"]

<?php
// Get STATE from Google GeoData
function reverse_geocode($address) {
$address = str_replace(" ", "+", "$address");
$url = "http://maps.google.com/maps/api/geocode/json?

address=$address&sensor=false";
$result = file_get_contents("$url");
$json = json_decode($result);
foreach ($json->results as $result)
{
foreach($result->address_components as $addressPart) {
if((in_array('locality', $addressPart->types)) &&

(in_array('political', $addressPart->types)))
$city = $addressPart->long_name;
else if((in_array('administrative_area_level_1',

$addressPart->types)) && (in_array('political', $addressPart->types)))
$state = $addressPart->long_name;
else if((in_array('country', $addressPart->types)) &&

(in_array('political', $addressPart->types)))
$country = $addressPart->long_name;
}
}

if(($city != '') && ($state != '') && ($country != ''))
$address = $city.', '.$state.', '.$country;
else if(($city != '') && ($state != ''))
$address = $city.', '.$state;
else if(($state != '') && ($country != ''))
$address = $state.', '.$country;
else if($country != '')
$address = $country;


return "$country/$state/$city";
}


$myLocation = reverse_geocode("Arboretum Rd, Stanford, CA 94305, USA");
echo "$myLocation";

?>
[/sourcecode]