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<?php function distance($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 ($unit == "K") { return array($miles * 1.609344, " kilometers"); } else if ($unit == "N") { return array($miles * 0.8684, " nautical miles"); } else { return array($miles, " miles"); } } $r = distance(32.9697, -96.80322, 29.46786, -98.53506, "K"); echo round($r[0],2) . $r[1];
Output for git.master, git.master_jit, rfc.property-hooks
422.74 kilometers

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