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<?php define('KM', 6364.963); define('MILES', 3955.00465); function GetDistance($la1, $lo1, $la2, $lo2, $r = KM) { $l1 = deg2rad($la1); $l2 = deg2rad($la2); $dg = deg2rad($lo2 - $lo1); $d = $r * acos(sin($l1) * sin($l2) + cos($l1) * cos($l2) * cos($dg)); return $d; } $lat1 = 55; $long1 = 12; $lat2 = 34; $long2 = -118; echo "The distance from Copenhagen to Los Angeles is " . round(GetDistance($lat1, $long1, $lat2, $long2)) . " km\n"; echo "The distance from Copenhagen to Los Angeles is " . round(GetDistance($lat1, $long1, $lat2, $long2, MILES)) . " miles\n"; ?>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
The distance from Copenhagen to Los Angeles is 9024 km The distance from Copenhagen to Los Angeles is 5607 miles

preferences:
345.72 ms | 405 KiB | 447 Q