public function IpGeoLocAPI::distance in IP Geolocation Views & Maps 8

Returns the distance (in meters) between two points on the earth's surface.

The points are defined by their lat/long coordinates. If the second point is omitted, the current visitor's location is used, as taken from their session data.

Parameters

array $location: Must contain 'latitude' and 'longitude' keys and values.

string $ref_location: If an array, must contain 'latitude' and 'longitude' keys and values, otherwise defaults to ip_geoloc_get_visitor_location()

Return value

float distance in meters.

File

src/Services/IpGeoLocAPI.php, line 700

Class

IpGeoLocAPI

Class IpGeoAPI to interact with other modules.

Namespace

Drupal\ip_geoloc\Services

Code

public function distance(array $location, $ref_location = 'current visitor') {
  if (!is_array($ref_location)) {
    $ref_location = $this
      ->getVisitorLocation();
  }
  if (empty($ref_location)) {
    return '?';
  }
  if (is_numeric($location['longitude']) && is_numeric($location['latitude']) && is_numeric($ref_location['longitude']) && is_numeric($ref_location['latitude'])) {
    return ip_geoloc_earth_distance($location['longitude'], $location['latitude'], $ref_location['longitude'], $ref_location['latitude']);
  }
  return '?';
}