classes) ? [] : (array)$item->classes;
$classes[] = 'menu-item-' . $item->ID;
$classes[] = 'mdl-navigation__link';
$class_names = join(' ', apply_filters('nav_menu_css_class', array_filter($classes), $item, $args, $depth));
$class_names = $class_names ? esc_attr($class_names) : '';
/**
* Filters the ID applied to a menu item's list item element.
*
* @param string $menu_id The ID that is applied to the menu item
* @param object $item The current menu item.
* @param array $args An array of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$id = apply_filters('nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth);
$id = $id ? esc_attr($id) : '';
$atts = array();
$atts['id'] = !empty($id) ? $id : '';
$atts['class'] = !empty($class_names) ? $class_names : '';
$atts['title'] = !empty($item->attr_title) ? $item->attr_title : '';
$atts['target'] = !empty($item->target) ? $item->target : '';
$atts['rel'] = !empty($item->xfn) ? $item->xfn : '';
$atts['href'] = !empty($item->url) ? $item->url : '';
/**
* Filters the HTML attributes applied to a menu item's anchor element.
*
* @param array $atts {
* The HTML attributes applied to the menu item's `` element, empty strings are ignored.
* @type string $title Title attribute.
* @type string $target Target attribute.
* @type string $rel The rel attribute.
* @type string $href The href attribute.
* }
* @param object $item The current menu item.
* @param array $args An array of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$atts = apply_filters('nav_menu_link_attributes', $atts, $item, $args, $depth);
$attributes = '';
foreach ($atts as $attr => $value) {
if (!empty($value)) {
$value = ('href' === $attr) ? esc_url($value) : esc_attr($value);
$attributes .= ' ' . $attr . '="' . $value . '"';
}
}
/** This filter is documented in wp-includes/post-template.php */
$title = apply_filters('the_title', $item->title, $item->ID);
/**
* Filters a menu item's title.
*
* @param string $title The menu item's title.
* @param object $item The current menu item.
* @param array $args An array of wp_nav_menu() arguments.
* @param int $depth Depth of menu item. Used for padding.
*/
$title = apply_filters('nav_menu_item_title', $title, $item, $args, $depth);
$item_output = $args->before;
$item_output .= '';
$item_output .= $args->link_before . $title . $args->link_after;
$item_output .= '';
$item_output .= $args->after;
/**
* Filters a menu item's starting output.
*
* The menu item's starting output only includes `$args->before`, the opening ``,
* the menu item's title, the closing ``, and `$args->after`.
*
* @param string $item_output The menu item's starting HTML output.
* @param object $item Menu item data object.
* @param int $depth Depth of menu item. Used for padding.
* @param array $args An array of wp_nav_menu() arguments.
*/
$output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args);
}
/**
* Ends the element output, if needed.
*
* @see Walker_Nav_Menu::end_el()
*
* @param string $output Passed by reference. Used to append additional content.
* @param object $item Page data object. Not used.
* @param int $depth Depth of page. Not Used.
* @param array $args An array of wp_nav_menu() arguments.
*/
public function end_el(&$output, $item, $depth = 0, $args = array())
{
}
}