shimmie2/ext/favorites/theme.php

<?php

class FavoritesTheme extends Themelet
{
    public function get_voter_html(Image $image, $is_favorited)
    {
        $i_image_id = int_escape($image->id);
        $name  = $is_favorited ? "unset" : "set";
        $label = $is_favorited ? "Un-Favorite" : "Favorite";
        $html  = "
			".make_form(make_link("change_favorite"))."
			<input type='hidden' name='image_id' value='$i_image_id'>
			<input type='hidden' name='favorite_action' value='$name'>
			<input type='submit' value='$label'>
			</form>
		";

        return $html;
    }

    public function display_people($username_array)
    {
        global $page;

        $i_favorites = count($username_array);
        $html = "$i_favorites people:";

        reset($username_array); // rewind to first element in array.
        
        foreach ($username_array as $row) {
            $username = html_escape($row);
            $html .= "<br><a href='".make_link("user/$username")."'>$username</a>";
        }

        $page->add_block(new Block("Favorited By", $html, "left", 25));
    }
}