• Calculate distance between two Locations

  August 13, 2013

  • Momin Bilal
  • No Comments
  • PHP

  

  The function below use the latitude and longitude of two locations, and calculate the distance between them in both miles and metric units.

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  <!--?php 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'); }   $point1 = array('lat' =--> 18.933333, 'long' =&gt; 74.583333); // Mumbai $point2 = array('lat' =&gt; 28.666667, 'long' =&gt; 77.233333); // Delhi   $distance = getDistanceBetweenPointsNew($point1['lat'], $point1['long'], $point2['lat'], $point2['long']); foreach ($distance as $unit =&gt; $value) { echo $unit.': '.number_format($value,4).' '; }   ?&gt;

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