AJAX - The Complete Reference

PART III

Chapter 10: Web Services and Beyond 489

$query = $_GET["query"];

$url = "http://api.flickr.com/services/rest/?method=flickr.photos.search&api_key=

XXX-GET-YOUR-OWN-KEY-XXX&safe_search=1&per_page=

10&content_type=1&text=$query";

$result = file_get_contents($url);

/* Check response status */

list($version,$status,$msg) = explode(' ',$http_response_header[0], 3);

if ($status != 200)

echo "Your call to the web service returned an error status of $status.";

else

{

/* take XML string and make DOM tree */

$domtree = new DOMDocument();

$domtree->loadXML($result);

/* convert from XML to JSON */

$transform = new XML2JSON();

$result = $transform->convertToJSON($domtree);

print $result;

}

?>

FIGURE 10-1 Searching for pictures via a Web Service