PHP convert wkb point

DbHelper.php

class DbHelper
{
    /**
     * WKB is Well-known binary.
     *
     * @param Point $point
     *
     * @return string
     */
    public static function convertPointToWKB(Point $point): string
    {
        return pack('LcLd2', 0, 1, 1, $point->getLongitude(), $point->getLatitude());
    }

    /**
     * @param string $wkb
     *
     * @return Point
     */
    public static function convertWKBToPoint(string $wkb): Point
    {
        $data = unpack('x/x/x/x/corder/Ltype/dlat/dlon', $wkb);
        $point = new Point();
        $point->setLatitude($data['lat']);
        $point->setLongitude($data['lon']);

        return $point;
    }
}

Point.php

class Point
{
    /**
     * @var float
     */
    private $latitude;

    /**
     * @var float
     */
    private $longitude;

    /**
     * @return float
     */
    public function getLatitude(): float
    {
        return $this->latitude;
    }

    /**
     * @param float $latitude
     */
    public function setLatitude(float $latitude): void
    {
        $this->latitude = $latitude;
    }

    /**
     * @return float
     */
    public function getLongitude(): float
    {
        return $this->longitude;
    }

    /**
     * @param float $longitude
     */
    public function setLongitude(float $longitude): void
    {
        $this->longitude = $longitude;
    }
}