use Uginroot\PhpLocation\Location;
$location = new Location(1, 1);
$location
->move(1, 1) // Location(2, 2)
->moveLatitude(1) // Location(3, 2)
->moveLongitude(1) // Location(3, 3)
->distance(new Location(4, 4)) // float(1.4142135623731)
;
$location
->setLatitude(55.7539) // Location(55.7539, 1)
->setLongitude(37.6208) // Location(55.7539, 37.6208)
->distanceEarth(new Location(59.9398, 30.3146)) // 634568.9802775994 ~ 635km
;
Location::createFromString('55.7539', '37.6208'); // Location(55.7539, 37.6208)