// Ok, here we go, we have the query and the type of search is valid
// First build the query
$q = '?query='.rawurlencode($_REQUEST['query']);
if(!empty($_REQUEST['zip'])) $q.="&zip=".$_REQUEST['zip'];
if(!empty($_REQUEST['start'])) $q.="&start=".$_REQUEST['start'];
$q .= "&appid=$appid";
// Then send it to the appropriate service
$xml = file_get_contents($service[$_REQUEST['type']].$q);
// Parse the XML and check it for errors
if (!$dom = domxml_open_mem($xml,DOMXML_LOAD_PARSING,$error)) {
echo "XML parse errorn";
foreach ($error as $errorline) {
/* For production use this should obviously be logged to a file instead */
echo $errorline['errormessage']."<br />n";
echo " Node : " . $errorline['nodename'] . "<br />n";
echo " Line : " . $errorline['line'] . "<br />n";
echo " Column : " . $errorline['col'] . "<br />n";
}
done();
}
// Now traverse the DOM with this function
// It is basically a generic parser that turns limited XML into a PHP array
// with only a couple of hardcoded tags which are common across all the
// result xml from the web services
function xml_to_result($dom) {
$root = $dom->document_element();
$res['totalResultsAvailable'] = $root->get_attribute('totalResultsAvailable');
$res['totalResultsReturned'] = $root->get_attribute('totalResultsReturned');
$res['firstResultPosition'] = $root->get_attribute('firstResultPosition');
// Ok, now that we have the results in an easy to use format,
// display them. It's quite ugly because I am using a single
// display loop to display every type and I don't really understand HTML
$first = $res['firstResultPosition'];
$last = $first + $res['totalResultsReturned']-1;
echo "<p>Matched ${res[totalResultsAvailable]}, showing $first to $last</p>n";
if(!empty($res['ResultSetMapUrl'])) {
echo "<p>Result Set Map: <a href="${res[ResultSetMapUrl]}">${res[ResultSetMapUrl]}</a></p>n";
}
for($i=0; $i<$res['totalResultsReturned']; $i++) {
foreach($res[$i] as $key=>$value) {
switch($key) {
case 'Thumbnail':
echo "<img src="${value[Url]}" height="${value[Height]}" width="${value[Width]}" />n";
break;
case 'Cache':
echo "Cache: <a href="${value[Url]}">${value[Url]}</a> [${value[Size]}]<br />n";
break;
case 'PublishDate':
echo "<b>$key:</b> ".strftime('%X %x',$value);
break;
default:
if(stristr($key,'url')) echo "<a href="$value">$value</a><br />n";
else echo "<b>$key:</b> $value<br />";
break;
}
}
echo "<hr />n";
}