Ich habe jemanden im reallive gefunden der mir helfen konnte. Hier der Walker der beides vereinbart.
Fügt man [nl] in die Beschreibung ein wird ein Umbruch erzeugt.
Code
class Thumbnail_Walker extends Walker_Nav_Menu
{
/**
* Start the element output.
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $item Menu item data object.
* @param int $depth Depth of menu item. May be used for padding.
* @param array $args Additional strings.
* @return void
*/
function start_el(&$output, $item, $depth, $args)
{
var_dump($item->ID);
$classes = empty ( $item->classes ) ? array () : (array) $item->classes;
$class_names = join(
' '
, apply_filters(
'nav_menu_css_class'
, array_filter( $classes ), $item
)
);
! empty ( $class_names )
and $class_names = ' class="'. esc_attr( $class_names ) . '"';
$item_description = !empty($item->description) ? esc_attr($item->description) : '';
$output .= "<li id='menu-item-$item->ID' $class_names>";
$attributes = '';
! empty( $item->attr_title )
and $attributes .= ' title="' . esc_attr( $item->attr_title ) .'"';
! empty( $item->target )
and $attributes .= ' target="' . esc_attr( $item->target ) .'"';
! empty( $item->xfn )
and $attributes .= ' rel="' . esc_attr( $item->xfn ) .'"';
! empty( $item->url )
and $attributes .= ' href="' . esc_attr( $item->url ) .'"';
// insert thumbnail
// you may change this
$thumbnail = '';
if ( has_post_thumbnail( $item->object_id ) ) {
$thumbnail = get_the_post_thumbnail( $item->object_id, array(150,150) );
}
$title = apply_filters( 'the_title', $item->title, $item->ID );
$item_output = $args->before
. "<a $attributes>"
. $args->link_before
. $title
. $args->link_after
. '<br /> '
. $thumbnail
. $args->after
.'<span>' . str_replace( '[nl]', '<br>', $item_description ) .'</span>'
. '</a> ';
// Since $output is called by reference we don't need to return anything.
$output .= apply_filters(
'walker_nav_menu_start_el'
, $item_output
, $item
, $depth
, $args
);
}
}