Drupal custom rotator - block

drupal-block-rotator.php

<?php
/**Drupal rotator block - with RDFa.
   ©N.D.Freear, 20 Oct 2010.
*/

$links = array(
  array(
    'text' => '<em property="dc:title">CloudEngine</em>: powering Cloudworks<i>, on Bitbucket.</i>',
    'url'=>'http://getcloudengine.org',
    'img'=>'https://bitbucket-assetroot.s3.amazonaws.com/c/photos/2010/Oct/11/cloudengine-avatar2_avatar.png'),
  array(
    'text' => '<em property="dc:title">Moodle 2.0 for Teaching 4-9 Year Olds<i> Beginner\'s Guide</i></em>,<br /> by'
      .' <span property="dc:creator">Nick Freear</span><i>, on <span property="dc:publisher">Packt Publishing</span></i>',
    'url' => 'http://packtpub.com/moodle-2-0-for-teaching-4-9-year-olds-beginners-guide/book',
    'img' => 'http://packtpub.com/sites/default/files/imagecache/productview/3289os_mockupcover_bg.jpg',
    'isbn'=> '978-1-84951-328-9' ),
  array(
    'text' => '<em property="dc:title">Seeing the World My Way</em>,<br /> by <span property="dc:creator">Tony Giles</span><i>, on Amazon.</i>',
    'url'=>'http://www.amazon.co.uk/Seeing-World-Way-Tony-Giles/dp/1906236380/',
    'img'=>'http://ecx.images-amazon.com/images/I/51W10zgXIPL._SL500_AA300_.jpg',
    'isbn'=>'9781906236380'),
  /*array(
    'text'=>'International Stammering Awareness Day, 22 October<i> 2010, on Cloudworks.</i>',
    'url' =>'http://cloudworks.ac.uk/cloud/view/4697',
    'img' =>'http://www.mnsu.edu/comdis/isad13/isad13-2.jpeg'),*/
  array(
    'text'=>'British Stammering Association<i>, donate for change.</i>',
    'url' =>'http://stammering.org/change',
    'img' =>'http://www.stammering.org/Images/small_logo.gif'),
  array(
    'text'=>'Radio for Milton Keynes',
    'url' =>'http://crmk.co.uk/',
    'img' =>'http://crmk.co.uk/images/logos/crmk_logo_std.jpg'),
  /*array(
    'text'=>'@nfreear on Twitter',
    'url' =>'http://twitter.com/nfreear',
    'img' =>'http://s.twimg.com/images/twitter_logo_header.png'),
    #http://integratenutrition.co.uk/images/twitter-logo.jpeg'),
    #http://flickr.com/photos/toonz/3677263997/#CC-by-nc-nd
  /*array(
    'text'=>'',
    'url' =>'',
    'img' =>''),/**/
);
$rand = mt_rand(0, sizeof($links)-1);

#echo $rand;
    $styles = <<<EOS
<style>
.custom-rot-1, .custom-rot-1 li{margin:0; padding:0 !important; list-style:none !important;}
.custom-rot-1 li{position:absolute; top:-9999px; text-align:center;}
.custom-rot-1 .show{position:static;}
.custom-rot-1 img{max-width:160px; max-height:200px; border:none; margin:0 0 .5em;}
.custom-rot-1 span{display:block;}
.custom-rot-1 i{position:absolute; top:-99px;}
</style>
EOS;
    drupal_set_html_head($styles);

?>
<ul class="custom-rot-1" xmlns:dc="http://purl.org/dc/elements/1.1/" <?php /*prefix="dc: http://purl.org/dc/terms/"*/ ?>>
<?php foreach ($links as $idx => $link):
  $text = $link['text'];
  $url  = $link['url'];
  $res  = isset($link['isbn']) ? ' rel="dc:identifier" resource="urn:ISBN:'.$link['isbn'].'"' : '';
  $image= $idx==$rand && isset($links[$rand]['img']) ?
    '<img src="'.$links[$rand]['img']."\" alt='' />" : '';
  $class= $idx==$rand ? 'class="show"' : '';
  ?>
<li about="<?php echo $url ?>"<?php echo $res ?> <?php echo $class ?>><a rel="bookmark" href="<?php echo $url ?>"
  ><?php echo $image ?><span><?php echo $text ?></span></a></li>
<?php endforeach; ?>
</ul>