public function testUTMRefWorkHQ() { $LatLng = new LatLng(51.54098, -0.12301, 0, RefEll::airy1830()); $LatLng->toWGS84(); $UTMRef = $LatLng->toUTMRef(); $expected = "30U 699375 5713970"; self::assertEquals($expected, $UTMRef->__toString()); }