* Enables showing the username in front of the content for multi-user
* sites (enabled by default). Only some stylesheets supports this
* functionality (twitter, instagram, pump.io).
+ * @param bool $show_multimedia
+ * Enables showing multimedia content (images, videos) directly in the
+ * item description (enabled by default). Only some stylesheets supports
+ * this functionality (twitter, instagram, dilbert).
*/
- public function __construct($generate_enclosure = FALSE, $show_usernames = TRUE) {
+ public function __construct($generate_enclosure = FALSE, $show_usernames = TRUE, $show_multimedia = TRUE) {
$this->generate_enclosure = $generate_enclosure;
$this->show_usernames = $show_usernames;
+ $this->show_multimedia = $show_multimedia;
}
/**
// See http://sourceforge.net/p/feedvalidator/bugs/72/
$http_url = preg_replace("/^https/", "http", $url_info['url']);
+ // When the server does not provide a Content-Length header,
+ // curl_getinfo() would return a negative value for
+ // "download_content_length", however RSS recommends to use 0 when the
+ // enclosure's size cannot be determined.
+ // See: https://www.feedvalidator.org/docs/error/UseZeroForUnknown.html
+ $length = max($url_info['download_content_length'], 0);
+
$dom = new DOMDocument();
$enc = $dom->createElement('enclosure');
$enc->setAttribute('url', $http_url);
- $enc->setAttribute('length', $url_info['download_content_length']);
+ $enc->setAttribute('length', $length);
$enc->setAttribute('type', $url_info['content_type']);
return $enc;
$xsltProcessor->registerPHPFunctions();
$xsltProcessor->setParameter('', 'generate-enclosure', $this->generate_enclosure);
$xsltProcessor->setParameter('', 'show-usernames', $this->show_usernames);
+ $xsltProcessor->setParameter('', 'show-multimedia', $this->show_multimedia);
$xsltProcessor->importStylesheet($xslDoc);
return $xsltProcessor;
/**
* Convert the site content to RSS.
*/
- public function tweep($src_url, $host=NULL, $validate_scheme=TRUE) {
+ public function tweep($src_url, $host = NULL, $validate_scheme = TRUE) {
$url = parse_url($src_url);
if (FALSE === $url) {
trigger_error("Invalid URL: $src_url", E_USER_WARNING);
}
}
- // if the host is not given derive it from the URL
+ // If the host is not given derive it from the URL.
if (NULL === $host) {
if (empty($url["host"])) {
trigger_error("Invalid host in URL: $src_url", E_USER_WARNING);