public function getDistance(Coordinate $point1, Coordinate $point2): float
    {
        if ($point1->getEllipsoid()->getName() !== $point2->getEllipsoid()->getName()) {
            throw new NotMatchingEllipsoidException('The ellipsoids for both coordinates must match');
        }

        $lat1 = deg2rad($point1->getLat());
        $lat2 = deg2rad($point2->getLat());
        $lng1 = deg2rad($point1->getLng());
        $lng2 = deg2rad($point2->getLng());

        $dLat = $lat2 - $lat1;
        $dLng = $lng2 - $lng1;

        $radius = $point1->getEllipsoid()->getArithmeticMeanRadius();

        $distance = 2 * $radius * asin(
            sqrt(
                (sin($dLat / 2) ** 2)
                + cos($lat1) * cos($lat2) * (sin($dLng / 2) ** 2)
            )
        );

        return round($distance, 3);
    }
public function getDistance(Coordinate $point1, Coordinate $point2): float
    {
        if ($point1->getEllipsoid()->getName() !== $point2->getEllipsoid()->getName()) {
            throw new NotMatchingEllipsoidException('The ellipsoids for both coordinates must match');
        }

        $lat1 = deg2rad($point1->getLat());
        $lat2 = deg2rad($point2->getLat());
        $lng1 = deg2rad($point1->getLng());
        $lng2 = deg2rad($point2->getLng());

        $dLat = $lat2 - $lat1;
        $dLng = $lng2 - $lng1;

        $radius = $point1->getEllipsoid()->getArithmeticMeanRadius();

        $distance = 2 * $radius * asin(
            sqrt(
                (sin($dLat / 2) ** 2)
                + cos($lat1) * cos($lat2) * (sin($dLng / 2) ** 2)
            )
        );

        return round($distance, 3);
    }
public function getDistance ( Coordinate $ point1 , Coordinate $ point2 ) : float { if ( $ point1 -> getEllipsoid ( ) -> getName ( ) !== $ point2 -> getEllipsoid ( ) -> getName ( ) ) { throw new NotMatchingEllipsoidException ( 'The ellipsoids for both coordinates must match' ) ; } $ lat1 = deg2rad ( $ point1 -> getLat ( ) ) ; $ lat2 = deg2rad ( $ point2 -> getLat ( ) ) ; $ lng1 = deg2rad ( $ point1 -> getLng ( ) ) ; $ lng2 = deg2rad ( $ point2 -> getLng ( ) ) ; $ dLat = $ lat2 - $ lat1 ; $ dLng = $ lng2 - $ lng1 ; $ radius = $ point1 -> getEllipsoid ( ) -> getArithmeticMeanRadius ( ) ; $ distance = 2 * $ radius * asin ( sqrt ( ( sin ( $ dLat / 2 ) ** 2 ) + cos ( $ lat1 ) * cos ( $ lat2 ) * ( sin ( $ dLng / 2 ) ** 2 ) ) ) ; return round ( $ distance , 3 ) ; }
@param Coordinate $point1
@param Coordinate $point2

@throws NotMatchingEllipsoidException

@return float
@param Coordinate $point1 @param Coordinate $point2