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Posted By

tcam27 on 09/23/10


Tagged

google maps


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Use Google Maps API to Get Latitude and Longitude

 / Published in: PHP
 

When creating a custom Google Map, the latitude and longitude for the place of interest are needed. Enter in the Address, City, and State, and the lat and lng pair will be returned.

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  1. <?php
  2. function getLatandLong($addr,$city,$state)
  3. { 
  4. 	global $lat;
  5. 	global $lng;
  6.  
  7.   $doc = new DOMDocument();
  8.   $doc->load("http://maps.google.com/maps/api/geocode/xml?address=".$addr.",+".$city.",+".$state."&sensor=false"); //input address
  9.  
  10.   //traverse the nodes to get to latitude and longitude
  11.   $results = $doc->getElementsByTagName("result");
  12.   $results = $results->item(0);
  13.   $results = $results->getElementsByTagName("geometry");
  14.   $results = $results->item(0);
  15.   $results = $results->getElementsByTagName("location");
  16.  
  17.   foreach($results as $result)
  18. 		{
  19. 		$lats = $result->getElementsByTagName("lat");
  20. 		$lat = $lats->item(0)->nodeValue;
  21.  
  22. 		$lngs = $result->getElementsByTagName("lng");
  23. 		$lng = $lngs->item(0)->nodeValue;
  24. 		}
  25. }		
  26. ?>

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