public function testUTMRefWorkHQ() { $LatLng = new LatLng(51.54105, -0.12319, RefEll::Airy1830()); $LatLng->OSGB36ToWGS84(); $UTMRef = $LatLng->toUTMRef(); $expected = "30U 699375 5713970"; self::assertEquals($expected, $UTMRef->__toString()); }