xml_encode($urlPrefix . $urlHost . $urlRequest);
$extraInfos = $this->getExtraInfos();
$title = $this->xml_encode($extraInfos['name']);
$uri = !empty($extraInfos['uri']) ? $extraInfos['uri'] : REPOSITORY;
// since we can't guarantee that all items have an author,
// a global feed author is mandatory
$feedAuthor = 'RSS-Bridge';
$uriparts = parse_url($uri);
if(!empty($extraInfos['icon'])) {
$icon = $extraInfos['icon'];
} else {
$icon = $this->xml_encode($uriparts['scheme'] . '://' . $uriparts['host'] . '/favicon.ico');
}
$uri = $this->xml_encode($uri);
$entries = '';
foreach($this->getItems() as $item) {
$entryTimestamp = $item->getTimestamp();
$entryTitle = $item->getTitle();
$entryContent = $item->getContent();
$entryUri = $item->getURI();
$entryID = '';
if (!empty($item->getUid()))
$entryID = 'urn:sha1:' . $item->getUid();
if (empty($entryID)) // Fallback to provided URI
$entryID = $this->xml_encode($entryUri);
if (empty($entryID)) // Fallback to title and content
$entryID = 'urn:sha1:' . hash('sha1', $entryTitle . $entryContent);
if (empty($entryTimestamp))
$entryTimestamp = $this->lastModified;
if (empty($entryTitle)) {
$entryTitle = str_replace("\n", ' ', strip_tags($entryContent));
if (strlen($entryTitle) > self::LIMIT_TITLE) {
$wrapPos = strpos(wordwrap($entryTitle, self::LIMIT_TITLE), "\n");
$entryTitle = substr($entryTitle, 0, $wrapPos) . '...';
}
}
if (empty($entryContent))
$entryContent = $entryTitle;
$entryAuthor = $this->xml_encode($item->getAuthor());
$entryTitle = $this->xml_encode($entryTitle);
$entryUri = $this->xml_encode($entryUri);
$entryTimestamp = $this->xml_encode(gmdate(DATE_ATOM, $entryTimestamp));
$entryContent = $this->xml_encode($this->sanitizeHtml($entryContent));
$entryEnclosures = '';
foreach($item->getEnclosures() as $enclosure) {
$entryEnclosures .= ''
. PHP_EOL;
}
$entryCategories = '';
foreach($item->getCategories() as $category) {
$entryCategories .= ''
. PHP_EOL;
}
$entryThumbnail = $item->thumbnail;
if (!empty($entryThumbnail))
$entryThumbnail = '';
$entryLinkAlternate = '';
if (!empty($entryUri)) {
$entryLinkAlternate = '';
}
if (!empty($entryAuthor)) {
$entryAuthor = ''
. $entryAuthor
. '';
}
$entries .= <<
{$entryTitle}
{$entryTimestamp}
{$entryTimestamp}
{$entryID}
{$entryLinkAlternate}
{$entryAuthor}
{$entryContent}
{$entryEnclosures}
{$entryCategories}
{$entryThumbnail}
EOD;
}
$feedTimestamp = gmdate(DATE_ATOM, $this->lastModified);
$charset = $this->getCharset();
/* Data are prepared, now let's begin the "MAGIE !!!" */
$toReturn = <<
{$title}
{$feedUrl}
{$icon}
{$icon}
{$feedTimestamp}
{$feedAuthor}
{$entries}
EOD;
// Remove invalid characters
ini_set('mbstring.substitute_character', 'none');
$toReturn = mb_convert_encoding($toReturn, $this->getCharset(), 'UTF-8');
return $toReturn;
}
public function display(){
$this
->setContentType(self::MIME_TYPE . '; charset=' . $this->getCharset())
->callContentType();
return parent::display();
}
private function xml_encode($text){
return htmlspecialchars($text, ENT_XML1);
}
}