function getlocations_latlon_check in Get Locations 7

Same name and namespace in other branches

1. 6.2 getlocations.module \getlocations_latlon_check()
2. 6 getlocations.module \getlocations_latlon_check()
3. 7.2 getlocations.module \getlocations_latlon_check()

Function to check a lat,lon string

Parameters

string $latlon:

Return value

Returns normalized string or false

34 calls to getlocations_latlon_check()

getlocations_cb_w3w in ./getlocations.module

getlocations_commentmap in ./getlocations.module

Page callback: Displays a map.

getlocations_element_validate_latlon in ./getlocations.module

Function

getlocations_fields_getmap in modules/getlocations_fields/getlocations_fields.module

input map

getlocations_fields_save_locations in modules/getlocations_fields/getlocations_fields.module

... See full list

File

./getlocations.module, line 1667

getlocations.module @author Bob Hutchinson http://drupal.org/user/52366 @copyright GNU GPL

Code

function getlocations_latlon_check($latlon) {
  if (!empty($latlon)) {
    $ll = explode(',', $latlon);
    $lat = isset($ll[0]) ? $ll[0] : FALSE;
    $lon = isset($ll[1]) ? $ll[1] : FALSE;
    $lat = trim($lat);
    $lon = trim($lon);
    if ((abs($lat) || abs($lon)) && is_numeric($lat) && is_numeric($lon)) {
      $latregex = "/[-+]{0,1}[0-9]{1,}\\.{1}[0-9]{1,}/";
      if (!strpos($lat, '.')) {
        $latregex = "/[-+]{0,1}[0-9]{1,}/";
      }
      $lonregex = "/[-+]{0,1}[0-9]{1,}\\.{1}[0-9]{1,}/";
      if (!strpos($lon, '.')) {
        $lonregex = "/[-+]{0,1}[0-9]{1,}/";
      }
      if (preg_match($latregex, $lat) && preg_match($lonregex, $lon)) {

        // Normalize coordinates.
        $lat = getlocations_normalizelat($lat);
        $lon = getlocations_normalizelng($lon);
        return $lat . "," . $lon;
      }
    }
  }
  return FALSE;
}