class Walker_into_walker extends Walker_Category {
    function start_el( &$output, $category, $depth = 0, $args = array(), $id = 0 ) {
        extract($args);

        $cat_name = esc_attr( $category->name );
        $cat_name = apply_filters( 'list_cats', $cat_name, $category );

        // MODIF 1
        // le 'a' devient un 'span' car je ne veux pas de liens sur le nom des termes
        $link = '<span ';
        if ( $use_desc_for_title == 0 || empty($category->description) )
            $link .= 'title="' . esc_attr( sprintf(__( 'View all posts filed under %s' ), $cat_name) ) . '"';
        else
            $link .= 'title="' . esc_attr( strip_tags( apply_filters( 'category_description', $category->description, $category ) ) ) . '"';
        $link .= '>';

        // pareil pour la balise fermante
        $link .= $cat_name . '</span>';

        // MODIF 2
        // si la catégorie est une catégory finale...
        // alors on liste les hébergements de cette catégorie
        $z = get_term_children( $category->term_id, $category->taxonomy ); 
        if( empty( $z ) ) {
            $link .= '<ul>'; 
            $items = get_posts( 'post_type=any&' . $category->taxonomy . '=' . $category->slug );
            foreach( $items as $item ) { 
                $current_menu = ( get_queried_object_id() == $item->ID ) ? ' class="current-menu-item"' : '' ; 
                $link .= '<li' . $current_menu . '><a href="' . get_permalink( $item->ID ) . '">' . $item->post_title . '</a></li>'; 
            } 
            $link .= '</ul>';
        } 

        if ( !empty($feed_image) || !empty($feed) ) {
            $link .= ' ';

            if ( empty($feed_image) )
                $link .= '(';

            $link .= '<a href="' . esc_url( get_term_feed_link( $category->term_id, $category->taxonomy, $feed_type ) ) . '"';

            if ( empty($feed) ) {
                $alt = ' alt="' . sprintf(__( 'Feed for all posts filed under %s' ), $cat_name ) . '"';
            } else {
                $title = ' title="' . $feed . '"';
                $alt = ' alt="' . $feed . '"';
                $name = $feed;
                $link .= $title;
            }

            $link .= '>';

            if ( empty($feed_image) )
                $link .= $name;
            else
                $link .= "<img src='$feed_image'$alt$title" . ' />';

            $link .= '</a>';

            if ( empty($feed_image) )
                $link .= ')';
        }

        if ( !empty($show_count) )
            $link .= ' (' . intval($category->count) . ')';

        if ( 'list' == $args['style'] ) {
            $output .= "\t<li";
            $class = 'cat-item cat-item-' . $category->term_id;
            if ( !empty($current_category) ) {
                $_current_category = get_term( $current_category, $category->taxonomy );
                if ( $category->term_id == $current_category )
                    $class .=  ' current-cat';
                elseif ( $category->term_id == $_current_category->parent )
                    $class .=  ' current-cat-parent';
            }
            $output .=  ' class="' . $class . '"';
            $output .= ">$link\n";
        } else {
            $output .= "\t$link<br />\n";
        }
    }
}