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A simple function/script for geocoding Address using Google Maps API.
<?php
/* A simple function/script for geocoding Address using Google Maps API.
* Please check Google Maps API FAQ & Terms for more info.
*
* @author Abdullah Rubiyath
*/
/**
* Returns a Lat and Lng from an Address using Google Geocoder API. It does not
* require any Google API Key
*
* @param $opt An array containing
* 'address' => The Address to be parsed
* 'sensor' => 'true' or 'false' as [string]
*
* @return An array containing
* 'status' => Boolean which is true on success, false on failure
* 'message' => 'Success' on success, otherwise an error message
* 'lat' => The Lat of the address
* 'lon' => The Lng of the address
* 'address' => The Address typed by user.
*
*/
function getLatLng($opts) {
/* grab the XML */
$url = 'http://maps.googleapis.com/maps/api/geocode/xml?'
. 'address=' . $opts['address'] . '&sensor=' . $opts['sensor'];
$dom = new DomDocument();
$dom->load($url);
/* A response containing the result */
$response = array();
$xpath = new DomXPath($dom);
$statusCode = $xpath->query("//status");
/* ensure a valid StatusCode was returned before comparing */
if ($statusCode != false && $statusCode->length > 0
&& $statusCode->item(0)->nodeValue == "OK") {
$latDom = $xpath->query("//location/lat");
$lonDom = $xpath->query("//location/lng");
$addressDom = $xpath->query("//formatted_address");
/* if there's a lat, then there must be lng :) */
if ($latDom->length > 0) {
$response = array (
'status' => true,
'message' => 'Success',
'lat' => $latDom->item(0)->nodeValue,
'lon' => $lonDom->item(0)->nodeValue,
'address' => $addressDom->item(0)->nodeValue
);
return $response;
}
}
$response = array (
'status' => false,
'message' => "Oh snap! Error in Geocoding. Please check Address"
);
return $response;
}
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