<?
    // parse XML file
    $xml = new SimpleXMLElement(file_get_contents("lectures.xml")); 
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>Lectures</title>
  </head>
  <body>
    <?
        $lecture = array_shift($xml->xpath("/lectures/lecture[@number=2]"));

        echo "<b>";
        echo "Lecture " . $lecture["number"];
        echo "</b>";
        echo "<br />";
        echo $lecture->title;
        echo "<ul>";
        foreach ($lecture->resources->resource as $resource)
        {
            echo "<li>";
            echo "<a href='{$resource["href"]}'>";
            echo $resource["name"];
            echo "</a>";
            echo "</li>";
        }
        echo "</ul>";
        echo "<br />";
        echo "<br />";
    ?>
  </body>
</html>
