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- <?php
- /*
- Casa
- -27.653386, -48.680745
- Supermercado
- -27.642199, -48.670015
- */
- function distancia($lat1, $lon1, $lat2, $lon2, $unit) {
- $theta = $lon1 - $lon2;
- $dist = sin(deg2rad($lat1)) * sin(deg2rad($lat2)) + cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * cos(deg2rad($theta));
- $dist = acos($dist);
- $dist = rad2deg($dist);
- $miles = $dist * 60 * 1.1515;
- $unit = strtoupper($unit);
- if ($unit == "K") {
- return ($miles * 1.609344);
- } else if ($unit == "N") {
- return ($miles * 0.8684);
- } else {
- return $miles;
- }
- }
- echo distancia(-27.653386, -48.680745, -27.642199, -48.670015, "K") . " quilometros<br>";
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