<?php
declare(strict_types=1);
namespace JLaso\Gps;
/**
* Class Tools
* @package JLaso\Gps
* @author Joseluis Laso <jlaso@joseluislaso.es>
*/
class Tools
{
public static function distance(float $latitude1, float $longitude1, float $latitude2, float $longitude2): float
{
$dLatitude = ($latitude2 - $latitude1) / 2;
$dLongitude = ($longitude2 - $longitude1) / 2;
$tmp = sin(deg2rad($dLatitude)) * sin(deg2rad($dLatitude)) +
cos(deg2rad($latitude1)) * cos(deg2rad($latitude2)) * sin(deg2rad($dLongitude)) * sin(deg2rad($dLongitude));
$aux = asin(min(1, sqrt($tmp)));
return round(12745.9728 * $aux, 4);
}
public static function toMiles(float $value): float
{
return 0.621 * $value;
}
}
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