'', 'container' => 'div', 'container_class' => '', 'menu_class' => 'menu', 'echo' => true,
'fallback_cb' => 'wp_page_menu', 'before_link' => '', 'after_link' => '', 'before_title' => '', 'after_title' => '', );
$args = wp_parse_args( $args, $defaults );
$args = apply_filters( 'wp_nav_menu_args', $args );
$args = (object) $args;
// Get the nav menu
$menu = wp_get_nav_menu_object( $args->menu );
// If we couldn't find a menu based off the name, id or slug,
// get the first menu that has items.
if ( !$menu ) {
$menus = wp_get_nav_menus();
foreach ( $menus as $menu_maybe ) {
if ( wp_get_nav_menu_items($menu_maybe->term_id) ) {
$menu = $menu_maybe;
break;
}
}
}
if ( $menu && ! is_wp_error( $menu ) )
$args->menu = $menu->term_id;
$nav_menu = '';
if ( 'div' == $args->container ) {
$class = $args->container_class ? ' class="' . esc_attr($args->container_class) . '"' : '';
if ( is_nav_menu($menu) ) {
$nav_menu .= '';
$nav_menu = apply_filters( 'wp_nav_menu', $nav_menu, $args );
if ( $args->echo )
echo $nav_menu;
else
return $nav_menu;
}
/**
* Returns a Navigation Menu.
*
* See wp_nav_menu() for args.
*
* @since 3.0.0
*
* @param array $args Arguments
* @return mixed $output False if menu doesn't exists, else, returns the menu.
**/
function wp_get_nav_menu( $args = array() ) {
$defaults = array( 'menu' => '', 'menu_class' => 'menu', 'context' => 'frontend',
'fallback_cb' => '', 'before_link' => '', 'after_link' => '', 'before_title' => '', 'after_title' => '', );
$args = wp_parse_args( $args, $defaults );
$args = apply_filters( 'wp_get_nav_menu_args', $args );
$args = (object) $args;
// Variable setup
$nav_menu = '';
$items = '';
$current_parent = 0;
$parent_stack = array();
$parent_menu_order = array();
// Get the menu object
$menu = wp_get_nav_menu_object( $args->menu );
// If the menu exists, get it's items.
if ( $menu && !is_wp_error($menu) )
$menu_items = wp_get_nav_menu_items( $menu->term_id, 'backend' );
// If no menu was found or if the menu has no items, call the fallback_cb
if ( !$menu || is_wp_error($menu) || ( isset($menu_items) && empty($menu_items) ) ) {
if ( function_exists($args->fallback_cb) ) {
$_args = array_merge( (array)$args, array('echo' => false) );
return call_user_func( $args->fallback_cb, $_args );
}
}
foreach ( $menu_items as $key => $menu_item ) {
// Set up the $menu_item variables
$menu_item = wp_setup_nav_menu_item( $menu_item, 'frontend' );
$type = $menu_item->append;
$maybe_value = 'frontend' == $args->context ? '' : ' value="'. $menu_item->ID .'"';
$classes = 'frontend' == $args->context ? ' class="menu-item-type-'. $type . $menu_item->li_class .'"' : '';
$items .= '';
while ( !empty( $parent_stack ) && ($last_item || $menu_items[$key + 1]->post_parent != $current_parent ) ) {
$items .= '';
$current_parent = array_pop( $parent_stack );
}
} else {
array_push( $parent_stack, $current_parent );
$current_parent = $menu_item->ID;
$items .= '';
return apply_filters( 'wp_get_nav_menu', $nav_menu );
}
/**
* Returns the menu item formatted based on it's context.
*
* @since 3.0.0
*
* @param string $menu_item The menu item to format.
* @param string $context The context to which the menu item will be formatted to.
* @param string $args Optional. Args used for the 'template' context.
* @return string $output The menu formatted menu item.
*/
function wp_get_nav_menu_item( $menu_item, $context = 'frontend', $args = array() ) {
$output = '';
switch ( $context ) {
case 'frontend':
$attributes = ( isset($menu_item->anchor_title) && '' != $menu_item->anchor_title ) ? ' title="'. esc_attr($menu_item->anchor_title) .'"' : '';
$attributes .= ( isset($menu_item->target) && '' != $menu_item->target ) ? ' target="'. esc_attr($menu_item->target) .'"' : '';
$attributes .= ( isset($menu_item->classes) && '' != $menu_item->classes ) ? ' class="'. esc_attr($menu_item->classes) .'"' : '';
$attributes .= ( isset($menu_item->xfn) && '' != $menu_item->xfn ) ? ' rel="'. esc_attr($menu_item->xfn) .'"' : '';
$attributes .= ( isset($menu_item->url) && '' != $menu_item->url ) ? ' href="'. esc_attr($menu_item->url) .'"' : '';
$output .= esc_html( $args->before_link );
$output .= '';
$output .= esc_html( $args->before_title . $menu_item->title . $args->after_title );
$output .= '';
$output .= esc_html( $args->after_link );
break;
case 'backend':
$output .= '- ';
$output .= ''. esc_html($menu_item->title) .'';
$output .= '';
if ( 'custom' == $menu_item->type ) {
$label = __('Custom');
} elseif ( 'post_type' == $menu_item->type ) {
$type_obj = get_post_type_object($menu_item->append);
$label = $type_obj->singular_label;
} elseif ( 'taxonomy' == $menu_item->type ) {
$taxonomy = get_taxonomy($menu_item->append);
$label = $taxonomy->singular_label;
} else {
$label = $menu_item->append;
}
$output .= ''. esc_html($label) .'';
// Actions
$output .= ' | ';
$output .= '';
$output .= '
';
// Menu Item Settings
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
break;
case 'custom':
$menu_id = 'menu-item-' . $menu_item->db_id;
$output .= '';
// Menu item hidden fields
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
break;
case 'taxonomy':
case 'post_type':
$menu_id = 'menu-item-' . $menu_item->db_id;
$output .= '';
// Menu item hidden fields
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
$output .= '';
break;
}
return $output;
}
?>