Maps Google API傳回錯誤的座標

Question

我使用這個PHP函數來取得座標，但它們總是錯誤的。有時候接近，有時候離正確的位置很遠。

function getCoordinates($address, $city, $postalCode, $region, $province)
{
  $url = 'https://maps.googleapis.com/maps/api/geocode/json?';
  $params = array(
      'address' => urlencode($address),
      'components' => urlencode("locality:$city|administrative_area:$province"),
      'key' => 'my_key'
  );
  $url .= http_build_query($params);
  $response = file_get_contents($url);
  $data = json_decode($response, true);
  if ($data['status'] === 'OK') {
      $latitude = $data['results'][0]['geometry']['location']['lat'];
      $longitude = $data['results'][0]['geometry']['location']['lng'];
      return array('latitude' => $latitude, 'longitude' => $longitude);
  } else {
      return false;
  }
}

我嘗試以多種方式使用參數，但始終得到相同的結果：錯誤的座標。

測試參數如下：

$address = 'VIA DUCHESSA JOLANDA'
$city = 'MONCRIVELLO'
$province = 'VC'
$postalcode = '13040'

結果是緯度：45.0742756，經度：7.6613655

而正確的應該是：緯度：45.3307055，經度：7.9960788

Answer 1

很抱歉，使用這個新版本後，座標看起來是正確的。

function getCoordinates1($address, $city, $postalCode, $region, $province)
{
    $url = 'https://maps.googleapis.com/maps/api/geocode/json?';
    $addressString = "$address, $postalCode, $city, $province, $region";
    $params = array(
        'address' => urlencode($addressString),
        'key' => 'my-code'
    );
    $url .= http_build_query($params);
    $response = file_get_contents($url);
    $data = json_decode($response, true);
    if ($data['status'] === 'OK') {
        $latitude = $data['results'][0]['geometry']['location']['lat'];
        $longitude = $data['results'][0]['geometry']['location']['lng'];
        return array('latitude' => $latitude, 'longitude' => $longitude);
    } else {
        return false;
    }
}