Problem mit Seitenanzeige in der Sidebar und auf Seiten...

function my_wp_widget_pages( $args ) {
    extract( $args );
    $options = get_option( 'widget_pages' );


    $title = empty( $options['title'] ) ? __( 'Pages' ) : apply_filters('widget_title', $options['title']);
    $sortby = empty( $options['sortby'] ) ? 'menu_order' : $options['sortby'];
    $exclude = empty( $options['exclude'] ) ? '' : $options['exclude'];
    $depth = empty( $options['depth'] ) ? '' : $options['depth'];


    if ( $sortby == 'menu_order' ) {
        $sortby = 'menu_order, post_title';
    }


    $out = wp_list_pages( array('title_li' => '', 'echo' => 0, 'sort_column' => $sortby, 'exclude' => $exclude, 'depth' => $depth) );


    if ( !empty( $out ) ) {
?>
    <?php echo $before_widget; ?>
        <?php echo $before_title . $title . $after_title; ?>
        <ul>
            <?php echo $out; ?>
        </ul>
    <?php echo $after_widget; ?>
<?php
    }
}


function my_wp_widget_pages_control() {
    $options = $newoptions = get_option('widget_pages');
    if ( $_POST['pages-submit'] ) {
        $newoptions['title'] = strip_tags(stripslashes($_POST['pages-title']));


        $sortby = stripslashes( $_POST['pages-sortby'] );


        if ( in_array( $sortby, array( 'post_title', 'menu_order', 'ID' ) ) ) {
            $newoptions['sortby'] = $sortby;
        } else {
            $newoptions['sortby'] = 'menu_order';
        }


        $newoptions['exclude'] = strip_tags( stripslashes( $_POST['pages-exclude'] ) );
        $newoptions['depth'] = strip_tags( stripslashes( $_POST['pages-depth'] ) );
    }
    if ( $options != $newoptions ) {
        $options = $newoptions;
        update_option('widget_pages', $options);
    }
    $title = attribute_escape($options['title']);
    $exclude = attribute_escape( $options['exclude'] );
    $depth = attribute_escape( $options['depth'] );
?>
        <p><label for="pages-title"><?php _e('Title:'); ?> <input class="widefat" id="pages-title" name="pages-title" type="text" value="<?php echo $title; ?>" /></label></p>
        <p>
            <label for="pages-sortby"><?php _e( 'Sort by:' ); ?>
                <select name="pages-sortby" id="pages-sortby" class="widefat">
                    <option value="post_title"<?php selected( $options['sortby'], 'post_title' ); ?>><?php _e('Page title'); ?></option>
                    <option value="menu_order"<?php selected( $options['sortby'], 'menu_order' ); ?>><?php _e('Page order'); ?></option>
                    <option value="ID"<?php selected( $options['sortby'], 'ID' ); ?>><?php _e( 'Page ID' ); ?></option>
                </select>
            </label>
        </p>
        <p>
            <label for="pages-exclude"><?php _e( 'Exclude:' ); ?> <input type="text" value="<?php echo $exclude; ?>" name="pages-exclude" id="pages-exclude" class="widefat" /></label>
            <br />
            <small><?php _e( 'Page IDs, separated by commas.' ); ?></small>
        </p>
        <p>
            <label for="pages-depth"><?php _e( 'Depth:' ); ?> <input type="text" value="<?php echo $depth; ?>" name="pages-depth" id="pages-depth" class="widefat" /></label>
        </p>
        <input type="hidden" id="pages-submit" name="pages-submit" value="1" />
<?php
}


    $widget_ops = array('classname' => 'widget_pages', 'description' => __( "Your blog's WordPress Pages") );
    wp_register_sidebar_widget('pages', __('Pages'), 'my_wp_widget_pages', $widget_ops);
    wp_register_widget_control('pages', __('Pages'), 'my_wp_widget_pages_control' );