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<?php
namespace ZeroConfig\GeoDistance;
use Measurements\Measurement;
use Measurements\Units\UnitLength;
use ZeroConfig\GeoDistance\Sphere\CelestialBody\Earth;
// @codeCoverageIgnoreStart
/**
* Create a position value object for the given coordinates.
*
* @param float $latitude
* @param float $longitude
* @return PositionInterface
*/
function coordinates(float $latitude, float $longitude): PositionInterface
{
return Position::create($latitude, $longitude);
}
* Calculate the metric distance between the given positions.
* @param PositionInterface $start
* @param PositionInterface $end
* @return Measurement
function distance(
PositionInterface $start,
PositionInterface $end
): Measurement {
/** @var DistanceCalculatorInterface $calculator */
static $calculator;
if (!$calculator instanceof DistanceCalculatorInterface) {
$calculator = new ConvertedDistanceCalculator(
new DistanceCalculator(new Earth()),
UnitLength::kilometers()
);
return $calculator->calculate($start, $end);
// @codeCoverageIgnoreEnd
ZeroConfig /
GeoDistance
