<?php

$dlf = 'http://www.dradio.de/dlf/vorschau/20071121#anc2105';

class RSSThingy
{
    protected $_items = array();
    protected $_xw = null;
    
    const DATEFORMAT = 'Y-m-d';
    
    public function __construct()
    {
    }
    
    public function addItem( $item )
    {
        $this->_items[] =   $item;
    
    }
    
    public function build()
    {
        $this->_xw  =   new XMLWriter();
        
        $this->_xw->openMemory();
        $this->_xw->setIndentString( '   ' );
        $this->_xw->setIndent( true );
        $this->_xw->startDocument( '1.0','UTF-8' );
        
        $this->_xw->startElement( 'rss' );
        $this->_xw->writeAttribute( 'xmlns:itunes', 'http://www.itunes.com/DTDs/Podcast-1.0.dtd' );
        $this->_xw->writeAttribute( 'version', '2.0' );
        
        
        $this->_xw->startElement( 'channel' );
        $this->_xw->writeElement( 'title', 'radio records' );
        $this->_xw->writeElement( 'description', 'recent copies from the web' );
        $this->_xw->writeElement( 'link', 'http://gerd.exit0.net/gadgets/dlf' );
        $this->_xw->writeElement( 'lastBuildDate', gmdate( self::DATEFORMAT ) );
        $this->_xw->writeElement( 'generator', 'me' );
        
        $this->_xw->startElement( 'image' );
            $this->_xw->writeElement( 'url', 'http://exit0.net/img/org.png' );
            $this->_xw->writeElement( 'title', 'radio records logo' );
            $this->_xw->writeElement( 'description', 'recent copies from the web' );
            $this->_xw->writeElement( 'link', 'http://gerd.exit0.net/gadgets/dlf' );
        $this->_xw->endElement();
        
        
        $this->_xw->startElement( 'itunes:owner' );
            $this->_xw->writeElement( 'itunes:name', 'me' );
            $this->_xw->writeElement( 'itunes:email', 'foo@bar.com' );
        $this->_xw->endElement();
        $this->_xw->writeElement( 'category', 'radio records' );
        $this->_xw->writeElement( 'itunes:subtitle', 'something' );
        $this->_xw->writeElement( 'itunes:author', 'me' );
        $this->_xw->writeElement( 'itunes:explicit', 'no' );
        $this->_xw->writeElement( 'language', 'de' );
        $this->_xw->writeElement( 'ttl', 300 );
        
        $this->_xw->startElement( 'item' );
        
        foreach( $this->_items as $i ) {
            $this->_xw->writeElement( 'title', $i['title'] );
            $this->_xw->writeElement( 'description', $i['desc'] );
            $this->_xw->writeElement( 'link', $i['link'] );
            $this->_xw->writeElement( 'author', $i['author'] );
            $this->_xw->writeElement( 'pupDate', $i['date'] );
            $this->_xw->writeElement( 'guid', $i['ur'] );
            
            $this->_xw->startElement( 'enclosure' );
                $this->_xw->writeAttribute( 'url', $i['url']  );
                $this->_xw->writeAttribute( 'length', $i['lenght'] );
                $this->_xw->writeAttribute( 'type', $i['type'] );            
            $this->_xw->endElement();
            
            $this->_xw->writeElement( 'itunes:duration', 'me' );
            $this->_xw->writeElement( 'itunes:author', 'me' );
        }
        
        $this->_xw->endElement();
        
        $this->_xw->endElement();
        $this->_xw->endElement();
        $xml    =   $this->_xw->outputMemory(true);
        
        echo $xml;
        
        
    }
}

$p  =   new RSSThingy();

$item   =   array(
            'title'     => 'foo',
            'desc'      => 'bar',
            'author'    => 'Deutschlandfunk',
            
        );
$p->addItem();
$p->build();
?>