Bilder als XML ausgeben

<?php 
require('wp-config.php');
header('Content-type: text/xml; charset=utf-8');


function ssp_fetch_images($postid, $size) {
    global $wpdb;
    return $wpdb->get_results("SELECT guid, post_title, post_content FROM $wpdb->posts WHERE post_parent = $postid AND post_mime_type = 'image/jpeg'");
}


$exclude = $_GET['exclude'];
$exclusions = '';
if ( !empty($exclude) ) {
    $excats = preg_split('/[\s,]+/',$exclude);
    if ( count($excats) ) {
        foreach ( $excats as $excat ) {
            $exclusions .= ' AND cat_ID <> ' . intval($excat) . ' ';
        }
    }
} ?>
<gallery>
    <?php $categories = $wpdb->get_results("SELECT cat_ID, cat_name, category_description FROM $wpdb->categories WHERE cat_ID > 0 $exclusions ORDER BY cat_ID");
    foreach($categories as $cat) { ?>
    <album title="<?php echo $cat->cat_name; ?>" description="<?php echo $cat->category_description; ?>">
        <?php $gallery = new WP_Query("cat=$cat->cat_ID&showposts=1000");
        while ($gallery->have_posts()) : $gallery->the_post();
        $images = ssp_fetch_images($post->ID);
        foreach($images as $image) { ?>
        <img src="<?php echo $image->guid; ?>" tn="<?php echo str_replace(".jpg", ".thumbnail.jpg", $image->guid); ?>" title="<?php echo htmlspecialchars($image->post_title); ?>" caption="<?php echo htmlspecialchars($image->post_content); ?>" link="<?php the_permalink(); ?>" />
        <?php } endwhile; ?>
    </album>
    <?php } ?>
</gallery>