Get city from lat and lon ( GOOGLE MAP API )

Below is my code : $status = 'OK'; $value = ''; try { $lat = $_GET ['lat']; $lon = $_GET ['lon']; // TODO: validate input + find city name by coord assert ( is_numeric ( $lat ) ); assert ( is_numeric ( $lon ) ); $google_api_link = 'http://maps.googleapis.com/maps/api/geocode/json?latlng=%s&sensor=false'; $lat = filter_input ( INPUT_GET, 'lat' ); $lon = filter_input ( INPUT_GET, 'lon' ); $link = sprintf ( $google_api_link, $lat . "," . $lon ); $content = httpReq ( $link ); $json_object = json_decode ( $content ); if ($json_object->status != 'OK') { $status...