I did the following test:
$url = "
http://maps.googleapis.com/maps/api/geocode/xml?address=".urlencode($adress)."&sensor=false";
$geo = new SimpleXMLElement(file_get_contents($url));
if ($geo->status == "OK") {
$vanpllat = $geo->result->geometry->location->lat;
echo $vanpllat; //result = 52.1333333
$aa = $vanpllat * 1;
echo $aa; //result = 52
$aa = floatval($vanpllat);
echo $aa; //result = 52.1333333
so the conclusion is that you have to floatval the geo result before you can
use it in a calculation. Thank you for your cooporation.
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