DOTGO Geocoding Engine

geocode.php

<?php

header("Content-type: text/xml");

if (empty($_POST) || !isset($_POST["sys_query"])) {
  echo "<message><content>Invalid request. Try again.<br/>Reply:<br/><a query=\"crbspt loc\" /> Geocode (1 address)</content></message>";
  exit;
}

$address = preg_replace('/^(crbspt\s+loc|loc\s+|1\s+)/', '', trim(strtolower($_POST["sys_query"])));
$url = sprintf("http://maps.googleapis.com/maps/api/geocode/json?address=%s&sensor=false", urlencode($address));

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($ch);
file_put_contents("result.txt", $result);
if (CURLE_OK == ($curl_err = curl_errno($ch))) {
  $data = json_decode($result);
  if ($data->status === "OK") {
    $entry = $data->results[0];
    $lat = htmlspecialchars($entry->geometry->location->lat);
    $lng = htmlspecialchars($entry->geometry->location->lng);
    $xml = <<<XML
    <block>
        <set name="lat">$lat</set>
        <set name="lng">$lng</set>
        <message>
            <content>OK! We've got your location:<br/>
<br/>
Lat: $lat<br/>
Lng: $lng</content>
        </message>
    </block>
    
    
XML;
    echo $xml;
  }
  else {
      echo "<message><content>Invalid response ($curl_err) from Google! $url</content></message>";
  }
}
else {
    echo "<message><content>Invalid request to Google? $url</content></message>";
}

curl_close($ch);

index.cmrl

<?xml version="1.0"?>
<cmrl>
  <match pattern="">
    <message>
      <content>Welcome!<br/>
<br/>
Reply:<br/>
<a query="crbspt loc" /> Geocode (1 address)<br/>
<a query="crbspt cur" /> Current location<br />
      </content>
    </message>      
  </match>
  <match pattern="loc">
    <match pattern="*">
      <engine href="http://crbspt.com/geocode.php" />
    </match>
  </match>
  <match pattern="cur">
	<message>
		<content>Your current location:<br /><br />Lat: <get name="lat"/><br />Lng: <get name="lng" /></content>
	</message>
  </match>
</cmrl>

Send text message "crbspt" to DOTCOM (368266) to demo.

Replace all instances of "crbspt" with your own domain keyword (foobar for foobar.com).

Google Geocoder allows up to 2,500 requests per day.

Enjoy!