whereIn('zipcode', [$zipcode1, $zipcode2])
->get();
if($result->count() == 2){
return $this->processCalculation($result, 'M');
}
return false;
}
public function processCalculation($zipcodes, $unit)
{
$lon1 = (float)$zipcodes[0]->lon;
$lat1 = (float)$zipcodes[0]->lat;
$lon2 = (float)$zipcodes[1]->lon;
$lat2 = (float)$zipcodes[1]->lat;
$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) . " Kilometers
";
} else if ($unit == "N") {
return ($miles * 0.8684) . " Nautical Miles
";
} else {
return number_format($miles, 2, '.', ',') . " Miles";
}
}
}