FlickrSets

function flickr_sets_html( $apikey, $user )
{
    $f = new phpFlickr( "$apikey" );
    $f->enableCache( "fs", "phpflickr/cache" );
    $photos_url = $f->urls_getUserPhotos( "$user" );
    $sets = $f->photosets_getList( "$user", NULL, NULL, 36 );
    $fphotos = array( );
    $html = "";
    foreach( $sets['photoset'] as $set )
    {
        $set_title = $set['title'];
        $set_id = $set['id'];
        $setphotos = $f->photosets_getPhotos( $set_id );
        $html .="<div class=\"fset\">\n";
        $html .= "<h1>$set_title</h1>\n";

        foreach( $setphotos['photoset']['photo'] as $photo )
        {
            $photo_id = $photo['id'];
            $photo_title = $photo['title'];

            $aux['f_set_title'] = "$set_title";
            $aux['f_href'] = "$photos_url$photo_id";
            $aux['f_href_m'] = $f->buildPhotoURL( $photo, "Medium" );
            $aux['f_href_l'] = $f->buildPhotoURL( $photo, "Large" );
            $aux['f_href_s'] = $f->buildPhotoURL( $photo, "Square" );
            $aux['f_title'] = "$photo_title";
            $aux['f_src_s'] = $f->buildPhotoURL( $photo, "Square" );
            $aux['f_src_m'] = $f->buildPhotoURL( $photo, "Medium" );
            $aux['f_src_l'] = $f->buildPhotoURL( $photo, "Large" );

            $html .= "<li>\n";
            $html .= " <a href=\"" . $aux['f_href_l'] . "\" title=\"" . $aux['f_title'] . "\" rel=\"$set_id\"> <img src=\"" . $aux['f_src_s'] . "\"  /> </a>\n";
            $html .= "</li>\n";

            unset( $aux );
        }

        $html .="</div>\n\n";
    }
    return $html;
}