YouTube Playlist

<?php
$videos = get_post_meta($post->ID, "youtube", true);
  if ($videos != "")
  {
    echo '<div id="playlist">';
    echo '<div class="s_playlist">';
    echo '<div id="playlist_t">PLAYLIST <strong>1</strong></div>';
    echo '<div class="cdiv"></div>';
    echo '</div>';
    echo '<div class="description">';
    echo '<ul>';
    $videos = nl2br($videos);
    $videos = explode("<br />", $videos);
    foreach ($videos as $video)
    {
     // preleva ID video dopo la "v="
    $url = $video; parse_str(parse_url($url, PHP_URL_QUERY ));
    // output del video
    echo '<li><a href="#" onclick="openYouTube(\''.$v.'\')">1</a></li>';
    }
    echo '<div id="bg" class="popup_bg"></div>';
    echo '</ul>';
    echo '<div class="cdiv">';
    echo '</div>';
    echo '<br>';
    echo '</div>';
    echo '</div>';
  }
?>