X-Git-Url: https://git.ao2.it/tweeper.git/blobdiff_plain/da9250bb9572c83ed397d3bfda0e44fa13016efb..4b5f17e2b3d0851f7f038e84cbcf9b5a97b0e9e9:/src/Tweeper.php

diff --git a/src/Tweeper.php b/src/Tweeper.php
index b75409b..09bd7cc 100644
--- a/src/Tweeper.php
+++ b/src/Tweeper.php
@@ -49,10 +49,15 @@ class Tweeper {
    *   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;
   }
 
   /**
@@ -201,10 +206,17 @@ class Tweeper {
     // 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;
@@ -362,6 +374,7 @@ class Tweeper {
     $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;