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  • Find latitude and longitude of a place.

    @pushpendra.rawat
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    This code will help in finding the latitude and longitude of any place using curl and php.

    Step 1: Finding the latitude and longitude for first place.

    1. <?php
    2. ini&#95;set('error&#95;reporting', E&#95;STRICT|E&#95;ALL);
    3. ini&#95;set('display&#95;errors', 1);
    4.  
    5. $address1 = "shastri nagar Dehradun";
    6. $region = "India";
    7. $address = str&#95;replace(' ','+',$address1);
    8.  
    9. $url = "http://maps.google.com/maps/api/geocode/json?address=$address&sensor=false&region=$region";
    10.  
    11. $ch = curl&#95;init();
    12.  
    13. curl&#95;setopt($ch, CURLOPT&#95;URL, $url);
    14. curl&#95;setopt($ch, CURLOPT&#95;RETURNTRANSFER, 1);
    15. curl&#95;setopt($ch, CURLOPT&#95;PROXYPORT, 3128);
    16. curl&#95;setopt($ch, CURLOPT&#95;SSL&#95;VERIFYHOST, 0);
    17. curl&#95;setopt($ch, CURLOPT&#95;SSL&#95;VERIFYPEER, 0);
    18. $response = curl&#95;exec($ch);
    19. curl&#95;close($ch);
    20.  
    21. $response&#95;a = json&#95;decode($response);
    22.  $lat1 = $response&#95;a->results[0]->geometry->location->lat;
    23.  $long1 = $response&#95;a->results[0]->geometry->location->lng;

    Step 2: Finding the latitude and longitude for second place.

    1.  $address2 = "Clock Tower Dehradun";
    2.  $address = str&#95;replace(' ','+',$address2);
    3.  $url = "http://maps.google.com/maps/api/geocode/json?address=$address&sensor=false&region=$region";
    4.  print("code sample");   $ch = curl&#95;init();
    5.     curl&#95;setopt($ch, CURLOPT&#95;URL, $url);
    6.     curl&#95;setopt($ch, CURLOPT&#95;RETURNTRANSFER, 1);
    7.     curl&#95;setopt($ch, CURLOPT&#95;PROXYPORT, 3128);
    8.     curl&#95;setopt($ch, CURLOPT&#95;SSL&#95;VERIFYHOST, 0);
    9.     curl&#95;setopt($ch, CURLOPT&#95;SSL&#95;VERIFYPEER, 0);
    10.     $response = curl&#95;exec($ch);
    11.     curl&#95;close($ch);
    12.     $response&#95;a = json&#95;decode($response);
    13.  
    14.     $lat2 = $response&#95;a->results[0]->geometry->location->lat;
    15.     $long2 = $response&#95;a->results[0]->geometry->location->lng;

    Step 3: Find the distance between two places.

    1. $unit = "K";
    2. $difference = getDistance($lat1,$long1,$lat2,$long2,$unit);
    3.  
    4. echo "Distance between ".$address1." "."&"." ".$address2." = ".$difference."Km";
    5.  
    6.  
    7.  function getDistance($lat1, $long1, $lat2, $long2, $unit) {
    8. $theta = $long1 - $long2;$dist = sin(deg2rad($lat1)) * sin(deg2rad($lat2)) +  cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * cos(deg2rad($theta));
    9.       $dist = acos($dist);
    10.       $dist = rad2deg($dist);
    11.       $miles = $dist * 60 * 1.1515;
    12.  
    13.  
    14.       if ($unit == "K") {
    15.         return ($miles * 1.609344);
    16.       }  else {
    17.             return $miles;
    18.           }
    19.     }
    20. ?>
    Latitude & Longitude Distance between two places using latitudes and longitudes Difference between two latitudes & longitudes Get latitudes & longitudes
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