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@@ -21,27 +21,12 @@ class util
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public static function getDistance($lat1, $lng1, $lat2, $lng2)
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public static function getDistance($lat1, $lng1, $lat2, $lng2)
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{
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{
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$earthRadius = 6367000; //approximate radius of earth in meters
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$earthRadius = 6367000; //approximate radius of earth in meters
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-
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- /*
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- Convert these degrees to radians
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- to work with the formula
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- */
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-
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$lat1 = ($lat1 * pi()) / 180;
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$lat1 = ($lat1 * pi()) / 180;
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$lng1 = ($lng1 * pi()) / 180;
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$lng1 = ($lng1 * pi()) / 180;
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$lat2 = ($lat2 * pi()) / 180;
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$lat2 = ($lat2 * pi()) / 180;
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$lng2 = ($lng2 * pi()) / 180;
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$lng2 = ($lng2 * pi()) / 180;
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- /*
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- Using the
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- Haversine formula
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-
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- http://en.wikipedia.org/wiki/Haversine_formula
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-
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- calculate the distance
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- */
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-
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$calcLongitude = $lng2 - $lng1;
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$calcLongitude = $lng2 - $lng1;
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$calcLatitude = $lat2 - $lat1;
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$calcLatitude = $lat2 - $lat1;
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$stepOne = pow(sin($calcLatitude / 2), 2) + cos($lat1) * cos($lat2) * pow(sin($calcLongitude / 2), 2);
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$stepOne = pow(sin($calcLatitude / 2), 2) + cos($lat1) * cos($lat2) * pow(sin($calcLongitude / 2), 2);
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