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Distance between two points

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  1. //$lat1 = 46.2341938036161; 
  2. //$lon1 = -63.124778021257015; 
  3. //$lat2 = 46.4141938036161; 
  4. //$lon2 = -63.118571124705284; 
  5.  
  6. function distance($lat1,$lon1,$lat2,$lon2) {
  7. 	return (3958*3.1415926*sqrt(($lat2-$lat1)*($lat2-$lat1) + cos($lat2/57.29578)*cos($lat1/57.29578)*($lon2-$lon1)*($lon2-$lon1))/180); 
  8. }

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