/**
* Load up an RSS feed, parse its contents and return it.
*/
public function _LoadFeed($FeedURL, $NumEntries=0, $CacheTime=0, $FeedId="", $RSSFeedSnippet="", $helpLinks = false)
{
$reload = true;
if($CacheTime > 0) {
if($FeedId != "") {
$FeedID = md5($FeedURL);
}
$reload = false;
if(!is_dir(ISC_BASE_PATH."/cache/feeds")) {
isc_mkdir(ISC_BASE_PATH."/cache/feeds/");
}
// Using a cached version that hasn't expired yet
if(file_exists(ISC_BASE_PATH."/cache/feeds/".$FeedId) && filemtime(ISC_BASE_PATH."/cache/feeds/".$FeedId) > time()-$CacheTime) {
$contents = file_get_contents(ISC_BASE_PATH."/cache/feeds/".$FeedId);
// Cache was bad, recreate
if(!$contents) {
$reload = true;
}
}
else {
$reload = true;
}
}
if ($reload === true) {
$contents = PostToRemoteFileAndGetResponse($FeedURL);
// Do we need to cache this version?
if ($CacheTime > 0 && $contents != "") {
@file_put_contents(ISC_BASE_PATH."/cache/feeds/".$FeedId, $contents);
}
}
$output = "";
$count = 0;
// Could not load the feed, return an error
if(!$contents) {
return false;
}
// Silence errors to not polute out logs with peoples invalid XML feeds
if($xml = @simplexml_load_string($contents)) {
require_once(ISC_BASE_PATH . "/lib/xml.php");
$rss = new ISC_XML();
$entries = $rss->ParseRSS($xml);
foreach($entries as $entry) {
$GLOBALS['RSSTitle'] = $entry['title'];
$GLOBALS['RSSDescription'] = $entry['description'];
$GLOBALS['RSSLink'] = $entry['link'];
if ($RSSFeedSnippet != "") {
if ($helpLinks) {
preg_match('#/questions/([0-9]+)/#si', $entry['link'], $matches);
if (!empty($matches)) {
$GLOBALS['RSSLink'] = $matches[1];
}
}
if(defined('ISC_ADMIN_CP')) {
$output .= Interspire_Template::getInstance('admin')->render('Snippets/'.$RSSFeedSnippet.'.html');
}
else {
$output .= $GLOBALS['ISC_CLASS_TEMPLATE']->GetSnippet($RSSFeedSnippet);
}
} else {
if(defined('ISC_ADMIN_CP')) {
$output .= Interspire_Template::getInstance('admin')->render('Snippets/PageRSSItem.html');
}
else {
$output .= $GLOBALS['ISC_CLASS_TEMPLATE']->GetSnippet("PageRSSItem");
}
}
if($NumEntries > 0 && ++$count >= $NumEntries) {
break;
}
}
return $output;
}
else {
return false;
}
}
/**
* Load up an RSS feed, parse its contents and return it.
*/
public function _LoadFeed($FeedURL, $NumEntries = 0, $CacheTime = 0, $FeedId = "", $RSSFeedSnippet = "", $helpLinks = false)
{
$reload = true;
if ($CacheTime > 0) {
if ($FeedId != "") {
$FeedID = md5($FeedURL);
}
$reload = false;
if (!is_dir(ISC_BASE_PATH . "/cache/feeds")) {
@mkdir(ISC_BASE_PATH . "/cache/feeds/", 0777);
}
// Using a cached version that hasn't expired yet
if (file_exists(ISC_BASE_PATH . "/cache/feeds/" . $FeedId) && filemtime(ISC_BASE_PATH . "/cache/feeds/" . $FeedId) > time() - $CacheTime) {
$contents = file_get_contents(ISC_BASE_PATH . "/cache/feeds/" . $FeedId);
// Cache was bad, recreate
if (!$contents) {
$reload = true;
}
} else {
$reload = true;
}
}
if ($reload === true) {
$contents = PostToRemoteFileAndGetResponse($FeedURL);
// Do we need to cache this version?
if ($CacheTime > 0 && $contents != "") {
@file_put_contents(ISC_BASE_PATH . "/cache/feeds/" . $FeedId, $contents);
}
}
$output = "";
$count = 0;
// Could not load the feed, return an error
if (!$contents) {
return false;
}
if ($xml = SimpleXML_Load_String($contents)) {
$rss = new ISC_XML();
$entries = $rss->ParseRSS($xml);
foreach ($entries as $entry) {
$GLOBALS['RSSTitle'] = $entry['title'];
$GLOBALS['RSSDescription'] = $entry['description'];
$GLOBALS['RSSLink'] = $entry['link'];
if ($RSSFeedSnippet != "") {
if ($helpLinks) {
preg_match('#/questions/([0-9]+)/#si', $entry['link'], $matches);
if (!empty($matches)) {
$GLOBALS['RSSLink'] = $matches[1];
}
}
$output .= $GLOBALS['ISC_CLASS_TEMPLATE']->GetSnippet($RSSFeedSnippet);
} else {
$output .= $GLOBALS['ISC_CLASS_TEMPLATE']->GetSnippet("PageRSSItem");
}
if ($NumEntries > 0 && ++$count >= $NumEntries) {
break;
}
}
return $output;
} else {
return false;
}
}
