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nirendra/distanceCalculation.php

Created November 27, 2013 23:43
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  1. nirendra renamed this gist Nov 27, 2013. 1 changed file with 0 additions and 0 deletions.
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  2. nirendra created this gist Nov 27, 2013.
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    The function below use the latitude and longitude of two locations, and calculate the distance between them in both miles and metric units.

    function getDistanceBetweenPointsNew($latitude1, $longitude1, $latitude2, $longitude2) {
    $theta = $longitude1 - $longitude2;
    $miles = (sin(deg2rad($latitude1)) * sin(deg2rad($latitude2))) + (cos(deg2rad($latitude1)) * cos(deg2rad($latitude2)) * cos(deg2rad($theta)));
    $miles = acos($miles);
    $miles = rad2deg($miles);
    $miles = $miles * 60 * 1.1515;
    $feet = $miles * 5280;
    $yards = $feet / 3;
    $kilometers = $miles * 1.609344;
    $meters = $kilometers * 1000;
    return compact('miles','feet','yards','kilometers','meters');
    }

    // ---------------Example:---------------------

    $point1 = array('lat' => 40.770623, 'long' => -73.964367);
    $point2 = array('lat' => 40.758224, 'long' => -73.917404);
    $distance = getDistanceBetweenPointsNew($point1['lat'], $point1['long'], $point2['lat'], $point2['long']);
    foreach ($distance as $unit => $value) {
    echo $unit.': '.number_format($value,4).'<br />';
    }