RSSFeed.php

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<?php
class RSSFeed extends ChannelFeed {
 
    private function formatTime( $ts ) {
        if ( $ts ) {
            return gmdate( 'D, d M Y H:i:s \G\M\T', wfTimestamp( TS_UNIX, $ts ) );
        }
        return null;
    }
 
    public function outHeader() {
        $this->outXmlHeader();
        // Manually escaping rather than letting Mustache do it because Mustache
        // uses htmlentities, which does not work with XML
        $templateParams = [
            'title' => $this->getTitle(),
            'url' => $this->xmlEncode( wfExpandUrl( $this->getUrlUnescaped(), PROTO_CURRENT ) ),
            'description' => $this->getDescription(),
            'language' => $this->xmlEncode( $this->getLanguage() ),
            'version' => $this->xmlEncode( MW_VERSION ),
            'timestamp' => $this->xmlEncode( $this->formatTime( wfTimestampNow() ) )
        ];
        print $this->templateParser->processTemplate( 'RSSHeader', $templateParams );
    }
 
    public function outItem( $item ) {
        // Manually escaping rather than letting Mustache do it because Mustache
        // uses htmlentities, which does not work with XML
        $templateParams = [
            "title" => $item->getTitle(),
            "url" => $this->xmlEncode( wfExpandUrl( $item->getUrlUnescaped(), PROTO_CURRENT ) ),
            "permalink" => $item->rssIsPermalink,
            "uniqueID" => $item->getUniqueID(),
            "description" => $item->getDescription(),
            "date" => $this->xmlEncode( $this->formatTime( $item->getDate() ) ),
            "author" => $item->getAuthor()
        ];
        $comments = $item->getCommentsUnescaped();
        if ( $comments ) {
            $commentsEscaped = $this->xmlEncode( wfExpandUrl( $comments, PROTO_CURRENT ) );
            $templateParams["comments"] = $commentsEscaped;
        }
        print $this->templateParser->processTemplate( 'RSSItem', $templateParams );
    }
 
    public function outFooter() {
        print "</channel></rss>";
    }
}