require_once('./wp-load.php');

$link_cat = '';

if ( !empty($_GET['link_cat']) ) {

	$link_cat = $_GET['link_cat'];

	if ( !in_array($link_cat, array('all', '0')) )

		$link_cat = absint( (string)urldecode($link_cat) );

echo '<?xml version="1.0"?'.">\n";

?>

		<title><?php printf( __('Links for %s'), esc_attr(get_bloginfo('name', 'display')) ); ?></title>

		<?php do_action('opml_head'); ?>

if ( empty($link_cat) )

	$cats = get_categories(array('taxonomy' => 'link_category', 'hierarchical' => 0));

	$cats = get_categories(array('taxonomy' => 'link_category', 'hierarchical' => 0, 'include' => $link_cat));

foreach ( (array)$cats as $cat ) :

	$bookmarks = get_bookmarks(array("category" => $cat->term_id));

	foreach ( (array)$bookmarks as $bookmark ) :

		$title = apply_filters('link_title', $bookmark->link_name);

	<outline text="<?php echo esc_attr($title); ?>" type="link" xmlUrl="<?php echo esc_attr($bookmark->link_rss); ?>" htmlUrl="<?php echo esc_attr($bookmark->link_url); ?>" updated="<?php if ('0000-00-00 00:00:00' != $bookmark->link_updated) echo $bookmark->link_updated; ?>" />

	endforeach; // $bookmarks

endforeach; // $cats

</opml>