--- original.php	2022-02-23 21:19:03.372266308 +0000
+++ patch.php	2022-02-24 00:51:21.305693273 +0000
@@ -56,6 +56,9 @@
     const MAGENTABG = "\033[45m";
     const CYANBG    = "\033[46m";
 
+    // Set this to the domain of your preferred Invidious instance
+    const INVIDIOUS_INSTANCE = "yewtu.be";
+    
     public function __construct($nick, $pass, $ident, $realname, $host, $port,
                                 $chan, $tmppath, $useragent, $logpath, $log,
                                 $arcpath, $archive, $modpath) {
@@ -842,7 +845,20 @@
 
         return array($result, $extra);
     }
-
+    // Get YouTube video info with Invidious API
+    private function GetYoutubeVideo($videoid) {
+    	$result = array();
+    	// Only get the title and author of the video
+    	$resp = file_get_contents('https://' . phirce::INVIDIOUS_INSTANCE . '/api/v1/videos/' . $videoid . '?fields=title,author');
+	if ($resp && ($json = json_decode($resp))){
+	   $result['text'] = $json->title;
+	   $result['screen_name'] = $json->author;
+	}else{
+	   $result['error'] = "An error has occured: https://" . phirce::INVIDIOUS_INSTANCE . "/api/v1/videos/" . $videoid . "?fields=title,author";
+	}
+	return $result;
+    }
+	   
     private function ProcessURL($url, $archive, $shorten, $depth = 0) {
         if(isset($this->url_seen[$url]) && $this->url_seen[$url] > $this->line_count-phirce::HISTORY_SCREENFUL) {
             echo "Ignoring $url which was processed ", $this->line_count - $this->url_seen[$url], " lines ago\r\n";
@@ -859,6 +875,10 @@
         else if(preg_match('%^https?://identi\.ca/notice/%', $url, $dent)){
             return array($this->GetDent($url), array());
         }
+	// Special case for Youtube
+	else if(preg_match('%^https?://youtube\.com/watch\?v=([\w-]{11})%', $url, $youtubeid)){
+            return array($this->GetYoutubeVideo($youtubeid[1]), array());
+	}
         // Special case for joindiaspora.com
         // joindiaspora.com changes content-type to text/html
         // based on user agent, even if the content is actually xml.