/**
* Serialize geometries into a WKT string.
*
* @param Geometry $geometry
* @param string $return_type Should be either 'string' or 'array'
*
* @return string Does a reverse geocode of the geometry
*/
public function write(Geometry $geometry, $return_type = 'string')
{
$centroid = $geometry->getCentroid();
$lat = $centroid->getY();
$lon = $centroid->getX();
$url = "http://maps.googleapis.com/maps/api/geocode/json";
$url .= '?latlng=' . $lat . ',' . $lon;
$url .= '&sensor=false';
$this->result = json_decode(@file_get_contents($url));
if ($this->result->status == 'OK') {
if ($return_type == 'string') {
return $this->result->results[0]->formatted_address;
}
if ($return_type == 'array') {
return $this->result->results[0]->address_components;
}
} elseif ($this->result->status == 'ZERO_RESULTS') {
if ($return_type == 'string') {
return '';
}
if ($return_type == 'array') {
return $this->result->results;
}
} else {
if ($this->result->status) {
throw new Exception('Error in Google Reverse Geocoder: ' . $this->result->status);
} else {
throw new Exception('Unknown error in Google Reverse Geocoder');
}
return FALSE;
}
}
