flickr

if(isset($setphotos['photoset']['photo'])){//adionada essa linha

        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 );
        }
}//adicionada essa linha