query($path, $node);
if ($nodes->length > 0) {
return $nodes->item(0)->nodeValue;
}
return "NONE";
}
function filterDocument(&$doc, &$xpath) {
$summaries = $xpath->query(
"//item/description | ".
"//atom03:entry/atom03:summary | ".
"//atom03:entry/atom03:content[@type='text/html'] | ".
"//rss10:item/content:encoded"
);
$api_url = "http://api.technorati.com/cosmos?key=".TECHNORATI_KEY."&url=";
foreach ($summaries as $summary) {
$link_path = '../link | ../rss10:link | ../atom03:link/@href | ../atom10:link/@href';
$link = $this->xpathVal($xpath, $link_path, $summary);
$out = array();
$cache =& new HTTPCache($api_url.urlencode($link));
$api_doc = new DOMDocument();
$api_doc->loadXML($cache->fetch());
$api_xpath = new DOMXPath($api_doc);
$api_nodes = $api_xpath->query('//weblog');
if ($api_nodes->length > 0) {
foreach ($api_nodes as $api_node) {
$api_name = $this->xpathVal($api_xpath, './name', $api_node);
$api_link = $this->xpathVal($api_xpath, '../nearestpermalink', $api_node);
array_push($out, "$api_name");
}
}
if ($out) {
$cn = $doc->createCDATASection("
".
"
Technorati Related Links:".
"- ". join("
\n- ", $out) ."