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<?php 

function getCoordinates($address){
 
	$address = str_replace(" ", "+", $address); // replace all the white space with "+" sign to match with google search pattern

	// $url = "http://maps.google.com/maps/api/geocode/json?sensor=false&address=$address";
	$url = "https://maps.google.com/maps/api/geocode/json?address=$address&key=[YOUR GOOGLE API KEY]"; // over HTTPS
 
	$response = file_get_contents($url);
 
	$json = json_decode($response,TRUE); //generate array object from the response from the web
 
	return ($json['results'][0]['geometry']['location']['lat'].",".$json['results'][0]['geometry']['location']['lng']);
 
}

echo getCoordinates('New York, NY');